It is often said that books are always good friends … (6)… reading is an active mental process. … (7)… TV, books make you use your brain. By reading, you think more and become smarter. Reading improves concentration and focus. Reading books takes brain power. It requires you to focus … (8)… what you are reading for long periods. Unlike magazines, Internet posts or e-Mails that might contain small …(9)… of information. Books tell the whole story". Since you must concentrate in order to read, you will get better at concentration. Many studies show if you do not use your memory; you lose it. Reading helps you …(10)… your memory muscles. Reading requires remembering details, facts and figures and in literature, plot lines, themes and characters.

(9)......

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Technology continually disrupts almost every area of our lives, resulting in constant shifts across all segments of our society. The education sector is no exception. In fact, the nature of its target audience – mostly young and highly connected – means that the sector must adapt to accommodate their expectations. Most students have grown up online and will expect the same levels of technology in their learning environments as in their day-to-day lives Creating an effective digital learning environment is not just about offering convenience and familiarity to students, however. The consequences for their futures if we don’t keep pace are manifold and damaging. Lack of opportunity is one major threat, because limited or no access to technology will result in a greater divide between certain categories of student. Crucially, students’ potential success could be severely compromised by lack of technical proficiency. As a minimum, employers want graduates who are adept at using technology to connect, communicate, and collaborate with workplace technology. Yet with the right technology platform, solutions and industry partners, universities are starting to create next-generation learning environments that effectively prepare students for the future by offering access to the tools they need while also providing a fulfilling learning experience. Digital technology can supply the framework to support new learning approaches that engage students, bolster new revenue streams, cut operational costs and preserve highly valued school and university brands and reputations. For example, the ability to connect with outside experts or even lecturers with other schools and universities could increase the number of courses offered and attract more students.  For both students and teachers, ubiquitous connectivity facilitates greater collaboration, enabling people to develop increasingly connected communities in their chosen fields. Being more available to students can also empower teachers to deliver more innovative, exciting lectures, whether face-to-face or online, while offering more personalised feedback and mentoring. It’s now easier for students to engage on their own terms and no longer having to travel across campus for every single meeting makes it easier for leaders and faculty members to work together, too. Effective digital transformation isn’t just about technology, though. It requires a willingness to adopt technology in new ways, beyond administrative process. It must be continual and evolutionary in order to enhance teaching and learning and improve efficiency. It also necessitates collaborative working; vision and leadership; culture; process and methodology – and the technology itself.  
6. The word “ubiquitous” in paragraph 4 is closest in meaning to _______

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Belgium is a very old country, with a fascinating mixture of old customs and modern  laws. Belgium weddings may be performed as a civil ceremony or as a religious ceremony. Traditionally, when a couple in Belgium wishes to announce their marriage, the  wedding invitations are printed on two sheets of paper, one from the bride’s family and one sheet from the groom’s family. These wedding invitations symbolize the union of the two families and the partnership of the new union.  An ancient Belgium custom that is designed to unite the two families calls for the bride to stop as she walks up the aisle and to hand her mother a single flower. The two then embrace. Then, during the recessional, the bride and groom walk to the groom’s mother and the new bride hands her new mother-in-law a single flower and the two of them embrace, symbolizing the bride’s acceptance of her new mother.  One of the most important and enduring traditions of the Belgium wedding is for the bride to carry a specially embroidered handkerchief that has her name embroidered on it. After the wedding this handkerchief is framed and hung on the wall in a place of honor.  When the next female member of the bride’s family is to be wed, the handkerchief is removed from its frame, the new bride’s name is embroidered onto it, and it is passed down. The wedding handkerchief is passed from generation to generation, and is considered an important family heirloom. During the wedding mass, the bride and the groom are enthroned in two large chairs placed near the altar, symbolizing that on this day and in this place they are the king and the queen. At the conclusion of the ceremony, the groom slips the wedding ring onto the third finger of his bride’s left hand. The ring, being an endless circle, symbolizes never-ending love, and the third finger of the left hand is believed to hold the vein that travels to the heart, symbolizing love. At the conclusion of the ceremony, the bride and groom share their first kiss as husband and wife. The kiss is considered a symbolic act of sharing each other’s spirit as the couple each breathes in a portion of their new mate’s soul.  The bridesmaids traditionally take up a collection of coins and as the bride and groom exit the church, the bridesmaids toss the coins to the poor outside the church. Giving gifts of money to the poor helps to insure prosperity for the new bride and groom.  Following the wedding the bride and groom are off on their honeymoon. In ancient times the honeymoon, which was celebrated by the drinking of mead, or honey wine, would last 28 days, one complete cycle of the moon. This was to make sure that the bride’s family did not try to steal their daughter back from her new husband. 
7. The word “insure” in paragraph 6 could be best replaced by ___________

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Mohammed BK, who aims to connect Somalis in Bristol with their heritage, has been  confirmed for the Somali Week Festival, in 2020. Mohammed BK has been named as “cultural ambassador” for the Somali community. Ayan Mohamoud who is UK’s Somaliland Ambassador told the BBC he will now become a fixed part of the annual festivities. She said: “Young people who don’t speak Somali at all have memorised his music word-for-word and that is something that has never been done before by any Somali artist. He has been touring the country promoting citizenship and cultural unity throughout his career.”  Susan Elmi, 25, has been a fan of Mohammed BK for many years. She said: "In the Somali culture many people communicated their emotions and thoughts through songs and poetry and this is going back centuries. This man is bringing that back and making the younger generation question and explore our rich legacy. I think it’s just what the Somali Diaspora needs to say well connected to the identity.”  Mohammed BK also promotes education and advises young people to “use their time and resources wisely here in the UK because that is something their parents sacrificed fleeing from their homeland”. He added: “I thought to myself if I have that much influence on thousands and thousands of young people from my community, I need to put my platform to good use in encouraging them to do good and seek opportunities”. Festival fan Ameira Hassan, 45, said: “It’s a huge thing for our kids to take part in their history and culture. It’s important to us because they are learning a lot. Twenty years ago we never used to have anything like this in the UK and our kids never had any knowledge of the Somali culture.” 
1. What is main topic of the passage?

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Political and economic reforms launched in 1986 have transformed the country from  one of the poorest in the world, with per capita income around US $100, to lower middle income status within a quarter of a century with per capita income of around US$ 2,100 by the end of 2015.  Vietnam’s per capita GDP growth since 1990 has been among the fastest in the world, averaging 5.5 percent a year since 1990, and 6.4 percent per year in the 2000s. Vietnam’s economy continued to strengthen in 2015, with estimated GDP growth rate of 6.7 percent for the whole year.  The Vietnamese population is also better educated and has a higher life expectancy than most countries with a similar per capita income. The maternal mortality ratio has dropped below the upper-middle-income country average, while under-five mortality rate has fallen by half, to a rate slightly above that average. Access to basic infrastructure has also  improved substantially. Electricity is now available to almost all households, up from less than half in 1993. Access to clean water and modern sanitation has risen from less than 50 percent of all households to more than 75 percent.  Vietnam’s Socio-Economic Development Strategy (SEDS) 2011-2020 gives attention to structural reforms, environmental sustainability, social equity, and emerging issues of macroeconomic stability. It defines three “breakthrough areas”: promoting human resources/skills development (particularly skills for modern industry and innovation), improving market institutions, and infrastructure development. In addition, the five-year Socio-Economic Development Plan 2011-2015 focused on three critical restructuring areas - the, banking sector, state-owned enterprises and public investment that are needed to achieve these objectives. The recent draft of the SEDP 20162020 acknowledges the slow progress of the reform priorities of the SEDP 2011-2015. With agriculture still accounting for almost half the labor force, and with significantly lower labor productivity than in the industry and services sectors, future gains from structural transformation could be substantial. The transformation from state to private ownership of the economy is even less advanced. The state also wields too much influence in allocating land and capital, giving rise to heavy economy wide inefficiencies. So, adjusting the role of the state to support a competitive private sector-led market economy remains a major opportunity. This will be important for enhancing productivity growth which has been stagnating for a long time.
3. Which of the followings is NOT mentioned as an example of development in Vietnam?

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In the course of its history, human inventions have dramatically increased the average amount of energy available for use per person. Primitive peoples in cold regions burned wood and animal dung to heat their caves, cook food, and drive off animals by fire. The first step toward the developing of more efficient fuels was taken when people discovered that they could use vegetable oils and animal fats in lieu of gathered or cut wood. Charcoal gave off more intensive heat than wood and was more easily obtainable than organic fats. The Greeks first began to use coal for metal smelting in the 4th century, but it did not come into extensive use until the Industrial Revolution.
In the 1700s, at the beginning of the Industrial Revolution, most energy used in the United States and other nations undergoing industrialization was obtained from perpetual and renewable sources, such as wood, water streams, domesticated animal labor, and wind. These were predominantly locally available supplies. By mid-1800s, 91 percent of all commercial energy consumed in the United States and European countries was obtained from wood. However, at he beginning of the 20th century, coal became a major energy source and replaced wood in industrializing countries. Although in most regions and climate zones wood was more readily accessible than coal, the latter represents a more concentrated source of energy. In 1910, natural gas and oil firmly replaced coal as the main source of fuel because they are lighter and, therefore, cheaper to transport. They burned more cleanly than coal and polluted less. Unlike coal, oil could be refined to manufacture liquid fuels for vehicles, a very important consideration in the early 1900s, when the automobile arrived on the scene.
By 1984, non-renewable fossil fuels, such as oil, coal, and natural gas, provided over 82 percent of the commercial and industrial energy used in the world. Small amounts of energy were derived from nuclear fission, and the remaining 16 percent came from burning direct perpetual and renewable fuels, such as biomass. Between 1700 and 1986, a large number of countries shifted from the use of energy from local sources to a centralized generation of hydropower and solar energy converted to electricity. The energy derived from non-renewable fossil fuels has been increasingly produced in one location and transported to another, as is the case with most automobile fuels. In countries with private, rather than public transportation, the age of non-renewable fuels has created a dependency on a finite resource that will have to be replaced.
Alternative fuel sources are numerous, and shale oil and hydrocarbons are just two examples. The extraction of shale oil from large deposits in Asian and European regions has proven to be labor consuming and costly. The resulting product is sulfur-and nitrogen-rich, and large scale extractions are presently prohibitive. Similarly, the extraction of hydrocarbons from tar sands in Alberta and Utah is complex. Semi-solid hydrocarbons cannot be easily separated from the sandstone and limestone that carry them, and modern technology is not sufficiently versatile for a large-scale removal of the material. However, both sources of fuel may eventually be needed as petroleum prices continue to rise and limitations in fossil fuel availability make alternative deposits more attractive.

It can be inferred from the passage that in the early 20th centurgy, energy was obtained primarily from

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Leonardo da Vinci was born on April 15, 1452, in the small Tuscan town of Vinci,  near Florence. Leonardo was the son of a wealthy Florentine public official and a peasant woman. In the mid- 1460s, the family settled in Florence, where Leonardo was given the best education that Florence could offer. He rapidly advanced socially and intellectually. He was handsome, persuasive in conversation and a fine musician and improviser. About in 1466, he apprenticed as a studio boy to Andrea Del Verrocchio. In Verrocchio’s workshop, Leonardo was introduced to many activities, from the painting of altarpieces and panel pictures to the creation of large sculptural projects. In 1472, he was entered in the painter’s guild of Florence, and in 1476, he was still mentioned as Verrocchio’s assistant. In Verrocchio’s Baptism of Christ, the kneeling angel at the left of the painting is by Leonardo.  In 1478, Leonardo became an independent master. His first commission, to paint an altarpiece for the chapel of the Palazzo Vecchino, the Florentine town hall, was never executed. His first large painting, The Adoration of the Magi, left unfinished, was ordered in 1481 for the Monastery of San Donato a Scopeto, Florence. Other works ascribed to his youth are the so-called Benois Madonna, the portrait Ginerva de’ Benci, and the unfinished Saint Jerome.  In 1482, Leonardo’s career moved into high gear when he entered the service of the duke of Milan, Ludovico Sforza, having written the duke an astonishing letter in which he stated that he could build portable bridges; that he knew the techniques of constructing bombardments and of making cannons; that he could build ships as well as armored vehicles, catapults, and other war machines; and that he could execute sculpture in marble, bronze, and clay. He served as a principal engineer in the duke’s numerous military enterprises and was so active also as an architect. In addition, he assisted the Italian mathematician Luca Pacioli in the celebrated work Divina Proportione.  Evidence indicates that Leonardo had apprentices and pupils in Milan, for whom he probably wrote the various texts later compiled as Treatise on Painting. The most important of his own paintings during the early Milan period was The Virgin of the Rocks, two versions of which exist; he worked on the compositions for a long time, as was his custom, seemingly unwilling to finish what he had begun.  From 1495 to 1496, Leonardo labored on his masterpiece, The Last Super, a mural in the refectory of the Monastery of Santa Maria Delle Grazie, Milan. Unfortunately, his experimental use of oil on dry plaster was technically unsound, and by 1500 its deterioration had begun. Since 1726 attempts have been made, unsuccessfully, to restore it; a concerted restoration and conservation program, making use of the latest technology, was begun in 1977 and is reversing some of the damage. Although much of the original surface is gone, the majesty of the composition and the penetrating characterization of the figures give a fleeting vision of its vanished splendor.  During his long stay in Milan, Leonardo also produced other paintings and drawings, most of which have been lost theater designs, architectural drawings, and models for the dome of Milan Cathedral. His largest commission was for a colossal bronze monument to Francesco Sforza, father of Ludovico, in the courtyard of Castello Sforzesco. In December 1499, however, the Sforza family was driven from Milan by French forces; Leonardo left the statue unfinished and he returned to Florence in 1500.
5. What is NOT mentioned about the young Leonardo da Vinci?

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Over the past 600 years, English has grown from a language of few speakers to become the dominant language of international communication. English as we know it today emerged around 1350, after having incorporated many elements of French that were introduced following the Norman invasion of 1066. Until the 1600s, English was, for the most part, spoken only in England and had not extended even as far as Wales, Scotland or Ireland. However, during the course of the next two centuries, English began to spread around the globe as a result of exploration, trade (including slave trade), colonization, and missionary work. Thus, small enclaves of English speakers became established and grew in various parts of the world. As these communities proliferated, English gradually became the primary language of international business, banking and diplomacy.
Currently, about 80 percent of the information stored on computer systems worldwide is in English. Two-thirds of the world’s science writing is in English, and English is the main language of technology, advertising, media, international airports, and air traffic controllers. Today there are more than 700 million English users in the world, and over half of these are non-native speakers, constituting the largest number of non-native users than any other language in the world.

Approximately when did English begin to be used beyond England?

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An astronaut living in space begins a day in much the same way as he would on Earth.  The astronaut is able to brush his teeth and use the toilet in space. It is, however, rather challenging as the water droplets will (1) _________ around. The astronaut will also have to make to do with sponge baths.  There is a special plan for the astronaut on (2) _______ a spaceship which includes beverages and food items. The astronaut is allowed to have a maximum of three main meals a day. The meal varies each day until the sixth day. On that day, the menu is (3) _______ and the astronaut eats the meals he had on the first day. The food that is brought on a shuttle mission can be dehydrated, in natural (4) _________ for fresh. Sometimes, they are kept in thermostabilized cans or sealed pouches. It takes only thirty minutes to cook a delicious meal for a (5) ____________ of up to seven people on a space mission. However, astronauts have to eat slowly and carefully or the food will float away.

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Sandwiches make a delicious snack any time. They are a common sight a picnics and  teas. Interestingly enough, the sandwich is (1) _______ invention of an 18th -century English Earl called John Montagu. Montagu was addicted to card games. He would play these games with his friends for long stretches of time. Often, he even found it too (2) _______ to stop his games for meals.  One day, in the middle of a game, Montagu was served a meal of sliced meat with bread. At the time, Montagu was playing the game that (3) _______ its players to cover cards one on top of another. As Montagu looked at both the game and his food, an idea came to his mind. “I can do the same with my food as well,” he thought. He took a slice of bread, placed a (4)______ of meat on it and covered that with another slice of bread. Montagu was very pleased with his invention because it allowed him to play cards with one hand and eat his meal with the other.  Montagu’s friends quickly (5) _______ to his idea and they named the new invention after him. As Montagu’s full title was “the Earl of Sandwich”, the new invention became known as a “sandwich”.

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The print media includes newspapers, magazines, brochures, newsletters, books and even leaflets and pamphlets. Visual media like photography can also be mentioned under this sub-head, since photography is an important mass media, which communicates via visual representations. Although it is said that the electronic or new media have replaced the print media, there exists a majority of audiences who prefer the print media for various communication purposes. Public speaking and event organizing can also be considered as a form of mass media. For many people, it is impossible to imagine a life without their television sets, be it the daily news dose or even the soap operas. This mass media includes television and radio. This category also included electronic media like movies, CDs and DVDs as well as the new hottest electronic gadgets.  With the advent of new technologies like Internet, we are now enjoying the benefits of high technology mass media, which is not only faster than the old-school mass media, but also has a widespread range. Mobile phones, computers and Internet are often referred to as the new-age media. Internet has opened up several new opportunities for mass communication which include email, websites, blogging, Internet television and many other mass media which are booming today. Mass media was developed as a means of social responsibility at the beginning. However, in the course of time, they have attained the status of an industry. Besides the social and industrial nature of mass media, the following common points may also be mentioned. Specifically, it is highly impersonal, because the masses are not identifiable based on perfectly defined audio, visual or written messages. In addition, it is never likely to reach 100 percent of the target nor to have more than 10 percent effectiveness in most of the cases. Contents are generally based on the broad social issues and aspiration of the target audience which may be designed to achieve some specific goals; and all in all, modern mass media draw heavily on technology  
3. Which of the following is mentioned as a favourite TV programme?

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English teenagers are to receive compulsory cooking lessons in schools. The idea is to encourage healthy eating to fight the country’s increasing obesity rate. It’s feared that basic cooking and food preparation skills are being lost as parents turn to pre-prepared convenience foods. Cooking was once regarded as an important part of education in England – even if it was mainly aimed at girls. In recent decades cooking has progressively become a minor activity in schools. In many cases the schools themselves have given up cooking meals in kitchens in the schools. But the rising level of obesity has led to a rethink about the food that children are given and the skills they should be taught. “What I want is to teach young people how to do basic, simple recipes like a tomato sauce, a bolognaise, a simple curry, a stir-fry – which they can use now at home and then in their later life”, said Ed Balls, the minister responsible for schools. The new lessons are due to start in September, but some school without kitchens will be given longer to adapt. There is also likely to be a shortage of teachers with the right skills, since the trend has been to teach food technology rather than practical cooking. Also the compulsory lessons for hands on cooking will only be one hour a week for one term. But the well-known cookery writer, Pru Leith, believes it will be worth it. “If we’d done this thirty years ago we might not have the crisis we have got now about obesity and lack of knowledge about food and so on. Every child should know how to cook, not just so that they’ll be healthy, but because it’s a life skill which a real pleasure”. The renewed interest in cooking is primarily a response to the level obesity in Britain which is among the highest in Europe, and according to government figures half of all Britons will be obese in 25 years if current trends are not stopped  
5. In what way will cooking lessons benefit the students?

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These days, most people in Britain and the US do not wear very formal clothes. But sometimes it is important to wear the right thing.
Many British people don't think about clothes very much. They just like to be comfortable. When they go out to enjoy themselves, they can wear almost anything. At theatres, cinemas and concerts you can put on what you like from elegant suits and dresses to jeans and sweaters. Anything goes, as long as you look clean and tidy.

But in Britain, as well as in the US, men in offices usually wear suits and ties, and women wear dresses or skirts (not trousers). Doctors, lawyers and business people wear quite formal clothes. And in some hotels and restaurants men have to wear ties and women wear smart dresses.
In many years, Americans are more relaxed than British people, but they are more careful with their clothes. At home, or on holiday, most Americans wear informal or sporty clothes. But when they go out in the evening, they like to look elegant. In good hotels and restaurants, men have to wear jackets and ties, and women wear pretty clothes and smart hairstyles.
It is difficult to say exactly what people wear informal or formal in Britain and the US, because everyone is different. If you are not sure what to wear, watch what other people do and then do the same. You'll feel more relaxed if you don't look too different from everyone else.

Many British people wear freely when they     .. 

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Many prehistoric people subsisted as hunters and gatherers. Undoubtedly, game  animals, including some very large species, provided major components of human diets. An important controversy centering on the question of human effects on prehistoric  wildlife concerns the sudden disappearance of so many species of large animals at or near the end of the Pleistocene epoch. Most paleontologists suspect that abrupt changes in climate led to the mass extinctions. Others, however, have concluded that prehistoric people drove many of those species to extinction through overhunting. In their “Pleistocene overkill hypothesis,” they cite what seems to be a remarkable coincidence between the arrival of prehistoric peoples in North and South America and the time during which mammoths, giant ground sloths, the giant bison, and numerous other large mammals became extinct.  Perhaps the human species was driving others to extinction long before the dawn of history. Hunter-gatherers may have contributed to Pleistocene extinctions in more indirect ways. Besides overhunting, at least three other kinds of effects have been suggested: direct competition, imbalances between competing species of game animals, and early agricultural practices. Direct competition may have brought about the demise of large carnivores such as the saber-toothed cats. These animals simply may have been unable to compete with the increasingly sophisticated hunting skills of Pleistocene people.  Human hunters could have caused imbalances among game animals, leading to the extinctions of species less able to compete. When other predators such as the gray wolf prey upon large mammals, they generally take high proportions of each year’s crop of young. Some human hunters, in contrast, tend to take the various age-groups of large animals in proportion to their actual occurrence. If such hunters first competed with the larger predators and then replaced them, they may have allowed younger to survive each year, gradually increasing the populations of favored species. As these populations expanded, they in turn may have competed with other game species for the same environmental niche, forcing the less hunted species into extinction. This theory, suggests that human hunters played an indirect role in Pleistocene extinctions by hunting one species more than another. 
6. The highlighted word “they” in the passage refers to ___________

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My mom is a pretty talented pianist. She reads music very well and loves to play  Chopin and various other classical artists. One of my earliest memories involves sitting under her piano bench while she played. It gave her a lot of joy and a lot of personal pride, I think. I trust that she naturally wanted those things for me when she enrolled me in piano lessons when I was about seven years old.  I hated them. I was scared of my teacher. I hated practicing. I hated the songs I was being forced to learn. I hated reading music. I was a young kid, and there were other things I wanted to do instead. It just didn’t interest me, and no amount of begging and pleading on my mother’s part could get me to enjoy practicing. One thing in particular that she used to say as she was begging me to practice was, “One day, when you’re older, you will cherish the ability to sit down and play.” Nevertheless, after a couple years of once-a-week torture, she finally allowed me to quit.  Years went by. I switched schools when I was 11 years old, got a new best friend, and got interested in music. This was a critical turning point. My best friend loved the band Bush and lots of other alternative bands of the ‘90s, and listening to them unlocked a whole new sonic world for me. I fell in love, fell completely and totally in love, with rock music.  My friend taught me the form for a power chord on her acoustic guitar. If you know how to play a power chord, you can play or at least convincingly fake pretty much every single rock song in the world. It was like someone had given me my first hit of a powerful opiate.  I spent hours practicing in my room. Hours sounding out my favourite songs. More hours playing along with those songs in front of my mirror, pretending I was Scott Weiland, Dolores O’Riordan, Chris Cornell, or my personal favourite Louise Post (of Veruca Salt). I unlocked a talent within myself that had gone obscenely undiscovered and undeveloped when I was a young child banging my head against a piano keyboard, trying and failing to read a piece of music - I could play the guitar by ear. I just hadn’t had the time to figure that out because my mom was trying so hard to get me to do something that did not come naturally to me and that I had no desire to do.
4. Whose music did the write probably prefer listening to?

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If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn’t forget the plants, without whose prior invasion of the land, none of the other migrations could have happened. Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales (including the small whales we call dolphins) and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don’t even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches. There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it’s obvious. Ichthyosaurs were reptilian contemporaries of he dinosaurs, with
fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by measuring the bones of their forelimbs.
3. As mentioned in paragraph 2, which of the following species returned to the water least completely?

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Chichen-Itza is protected by the 1972 Federal Law on Monuments and Archaeological, Artistic and Historic Zones and was declared an archaeological monument by a presidential decree in 1986. The site remains open to the public 365 days of the year, and received a minimum of 3.500 tourists per day, a number which can reach 8.000 daily visitors in the high season. This means that the site needs constant maintenance and attention in order to avoid deterioration of its pre-hispanic fabric. Yucatan is the only state in Mexico where two institutions are involved in the management of archaeological sites: the National Institute of Anthropology and History (INAH), which is in charge of the care and conservation of the archaeological site, and the other is Board of Units of Cultural and Tourism Services of the State of Yucatan. Medium and long-term activities at Chichen-Itza, including investigation, conservation, thematic interpretation, administration and operation of the site, are addressed in the “Management Plan of the Pre-hispanic City of Chichen-Itza”. The purpose of the Plan is to articulate and coordinate the activities at the site, especially those geared towards the mise en valeur of the property and the generation of participation of the different sectors involved in the management, including the general public. No emergency plan exists for the site and there is no long term monitoring of the state of conservation, due to lack of personnel. This puts the site at risk from natural and anthropogenic disasters, as well as from longer term degradation. Threats like fire and lime stone erosion have been highlighted. Sustainable implementation of the defined planning tools and the allocation of resources to conservation and management are necessary means to ensure the conservation of the Outstanding Universal Value of the property in the long term.
2. According to paragraph 1, why does the world renowned relics require continual preservation?

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Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans or fail to function well in water. For example, it appears from their brain structure that toothed species are unable to smell. Baleen species, on the other hand, appear to have some related brain structures but it is not known whether these are functional. It has been speculated that, as the blowholes evolved and migrated to the top of the head, the neural pathways serving sense of smell may have been nearly all sacrificed. Similarly, although at least some cetaceans have taste buds, the nerves serving these have degenerated or are rudimentary. The sense of touch has sometimes been described as weak too, but this view is probably mistaken. Trainers of captive dolphins and small whales often remark on their animals’ responsiveness to being touched or rubbed, and both captive and free ranging cetacean individuals of all species (particularly adults and calves, or members of the same subgroup) appear to make frequent contact. This contact may help to maintain order within a group, and stroking or touching are part of the courtship ritual in most species. The area around the blowhole is also particularly sensitive and captive animals often object strongly to being touched there  The sense of vision is developed to different degrees in different species. Baleen species studied at close quarters underwater – specifically a grey whale calf in captivity for a year, and free-ranging right whales and humpback whales studied and filmed off Argentina and Hawaii – have obviously tracked objects with vision underwater, and they can apparently see moderately well both in water and in air. However, the position of the eyes so restricts the field of vision in baleen whales that they probably do not have stereoscopic vision. On the other hand, the position of the eyes in most dolphins and porpoises suggests that they have stereoscopic vision forward and downward. Eye position in freshwater dolphins, which often swim on their side or upside down while feeding, suggests that what vision they have is stereoscopic forward and upward. By comparison, the bottlenose dolphin has an extremely keen vision in water. Judging from the way it watches and tracks airborne flying fish, it can apparently see fairly well through the air–water interface as well. And although preliminary experimental evidence suggests that their in-air vision is poor, the accuracy with which dolphins leap high to take small fish out of a trainer’s hand provides anecdotal evidence to the contrary.  
5. The word “captivity” in paragraph 3 mostly means _______

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In today’s fast-paced industry, learning will most likely involve seeking new skills in ways that challenge the norm. But thankfully, there is a promise for such lifelong learning online - the promise that will save your time and money while helping you earn more of both. Provided you have access to a decent computer and the Internet, the barrier to getting started is probably lower than it ever has been. And with those things in place, it is a matter of finding the content you wish to learn. So, to help others who may be looking to maximize their own learning efforts, I have listed some quick tips below. First, set achievable goals. When you start learning, it is a good idea to set goals about what you want to learn or what you might do with your newly acquired knowledge. It might be landing that new job, building a tangible product, or impressing your current management. The goals may vary in size and complexity, but do revisit these goals throughout your learning process. Within a couple weeks, ask yourself: “Am I getting closer to my goal?” or “Am I learning the skills necessary to reach my goals?”. If you are not, then you may need to look elsewhere. Second, learn with others. By yourself, learning anything has a high propensity to become frustrating. Try teaming up with friends or colleagues. They can often be your best resource for maintaining motivation while you learn. Third, make it a habit. Online habits often include scrolling through social media or watching videos on YouTube. If you have the downtime for such activities, then you could spend that downtime learning something. And why not learn something? If you do, then you will have plenty more to talk about on social media anyways. So, make learning your new online habit by making a commitment to learn something new each day. 
4. According to the passage, what is the first step of learning online?

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Reducing the size of classes may improve _______ standards.

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Few political and social issues generate as much passion and controversy as immigration. One of the most prominent concerns among anti-immigration campaigners is the idea that immigration breaks down the host society’s cultural traditions and harms its cultural identity. Central to these debates is what academics call “acculturation”. This term refers to behavioural or psychological changes in immigrants or their descendants that follow migration. They are typically changes that make behaviour or ways of thinking more similar to members of the adopted society. Recent studies typically measure behavioural or psychological traits in first generation migrants, second generation migrants, and non-migrants who have been living in the host area for several generations. The evidence suggests that acculturation is common, but generational. While first generation migrants typically retain the values of their society of origin, later generations shift about 50% of the way from their parents’ values towards nonmigrant values. This even occurs in communities that form large, cohesive minorities. Migration with no acculturation breaks down distinct host cultures. This is the scenario envisioned by anti-immigration campaigners. Even a little migration, without acculturation, soon creates a homogeneous worldwide blend of the cultural traits that were originally unique to different societies. But adding just a small amount of acculturation to the simulations could preserve cultural differences. For example, even for relatively high migration rates where ten per cent of the society migrates in each time period, just a 20% probability of acculturation is needed to maintain distinct cultural variation between societies. This suggests that the 50% acculturation level observed in the real-world is strong enough to preserve distinct cultures.  These results held for both “neutral” traits such as dress or dance, and for costly cooperative traits, such as building bridges or paying taxes, where individuals pay initial costs to benefit the entire society. Much concern over immigration centres on the latter – that immigrants take benefits without paying costs. There were, however, levels of migration at which no level of acculturation could preserve cultural traditions. When 50% or more of the societies migrate, then distinct traditions cannot be maintained. While this exceeds modern levels of migration, we might think of historical cases of colonisationas examples where high levels of migration broke down traditions. Whatever future research finds, it would surely be better if immigration policy and media coverage of immigration, were better informed by the available evidence concerning migrant acculturation  
6. Which of the following statements is TRUE, according to the passage?