Choose the best answer:
Many young people choose to spend a year or two of their lives while they are still (1)______ living in a foreign country and working as a volunteer. Working as a volunteer means that you cannot only help others, but also develop a (2)______understanding of the world and yourself.
You must have a university degree and (3)______at least one year‟s experience before you can (4)______ . Suitable applicants are invited to attend a series of interviews and are then sent on a training programme. Applicants are usually offered a post (5)______ months and can be sent anywhere from the Sahara to Siberia.
The advantages of being a volunteer far (6)______ the disadvantages. Being a volunteer can enable you to get (7)______ experience that you would otherwise not have had. It can help you move up the career ladder faster. You will make (8)______ friends and return with an appreciation of another culture and language.
However, volunteering is not for everyone. It can be difficult being (9)______ from friends and family. Living on a (10)______ allowance is challenging. But, if you do choose to go, you will return a stronger and wiser person.
6.
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions:
Continents and ocean basins represent the largest identifiable bodies on Earth. On the solid portions of the planet, the second most prominent features are flat plains, elevated plateaus, and large mountain ranges. In geography, the term "continent" refers to the surface of continuous landmasses that together comprise about 29.2% of the planet's surface. On the other hand, another definition is prevalent in the general use of the term that deals with extensive main lands, such as Europe or Asia, that actually represent one very large landmass. Although all continents are bounded by the water bodies or high mountain ranges, isolated main lands, such as Greenland and India-Pakistan areas are called subcontinents. In some circles, the distinction between continents and large islands lies almost exclusively in the size of a particular landmass.
The analysis of compression and tension in the earth's crust has determined that continental structures are composed of layers that underlie continental shelves. A great deal of disagreement among geologists surrounds the issue of exactly how many layers underlie each landmass because of their distinctive mineral and chemical composition. It's also quite possible that the ocean floor rests on top of unknown continents that have not yet been explored. The continental crust is believed to have been formed by means of a chemical reaction when lighter materials separated from heavier ones, thus settling at various levels within the crust. Assisted by the measurements of the specifics within crust formations by means of monitoring earthquakes, geologists can speculate that a chemical split occurred to form the atmosphere, sea water and the crust before it solidified many centuries ago.
Although each continent has its special features, all consist of various combinations of components that include shields, mountain belts, intra - cratonic basins, margins, volcanic plateaus, and block-vaulted belts. The basic differences among continents lie in the proportion and the composition of these features relative to the continent size. Climatic zones have a crucial effect on the weathering and formation of the surface features, soil erosion, soil deposition, land formation, vegetation, and human activities.
Mountain belts are elongated narrow zones that have a characteristic folded sedimentary organization of layers. They are typically produced during substantial crustal movements, which generate faulting and mountain building. When continental margins collide, the rise of a marginal edge leads to the formation of large mountain ranges, as explained by the plate tectonic theory. This process also accounts for the occurrence of mountain belts in ocean basins and produces evidence for the ongoing continental plate evolution.According to the passage, what are the differences in the structure of continents?
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Millions of people tune into the weather forecast each evening on televisions. Most of them imagine that the presenter does little more than arrive at the studio a few minutes before the broadcast, read the weather, and then go home.
In fact, this imagine is far from the truth. The two-minute bulletin which we all rely on when we need to know tomorrow’s weather is the result of a hard day’s work by the presenter, who is actually a highly-qualified meteorologist.
Every morning after arriving at the TV studios, the first task of the days is to collect the latest data from the national Meteorological Office. This office provides up-to-the- minute information about weather conditions throughout the day, both in Britain and around the world. The information is very detailed and includes predictions, satellite and radar pictures, as well as more technical data. After gathering all the relevant material from this office, the forecaster has to translate the scientific terminology and maps into images and word which viewers can easily understand.
The final broadcast is then carefully planned. It is prepared in the same way as other programmes. The presenter decides what to say and in what order to say it. Next, a “story board” is drawn up which lay out the script word for word. What make a weather forecast more complicated than other programmes are the maps and electronic images which are required. The computer has to be programmed so that the pictures appear in the correct order during the bulletin.
The time allocated for each broadcast can also alter. This is because the weather report is screened after the news, which can vary in length. The weather forecaster doesn’t always know how much time is available, which means that he/ she has to be thoroughly prepared so that the material can be adapted to the time available.
Another related complication is that the weather forecast has to be a live broadcast; it cannot be pre- recorded. Live shows are very nerve- racking for the presenter because almost anything can go wrong. Perhaps the most worrying aspect for every weather
forecaster is getting the following day’s predictions wrong. Unfortunately for them this is not an unusual occurrence; the weather is not always possible to predict accurately.
The weather is a national obsession in Britain, Perhaps because it is so changeable. It’s the national talking point, and most people watch at least one daily bulletin. It can be mortifying for a weather man or woman who has predicted rain for the morning to wake up to brilliant sunshine. These days, a weather forecaster’s job is even more complicated because they are replied upon to predict other environmental conditions. For example, in the summer the weather forecast has to include the pollen count for hay fever sufferers. Some also include reports on ultraviolet radiation intensity to help people avoid sunburn.
The job of the weather forecaster is certainly far more complicated than just pointing at a map and describing weather conditions. It’s a job for professionals who can cope with stressful and demanding conditions.The computer has to be carefully programmed
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In many ways, the increasingly rapid pace of climate change is a direct result of the growth of the human population. In the last 100 years, the world population has more than tripled, from just under 2 billion at the beginning of the century to nearly 7 billion today. In addition, the average person uses more energy and natural resources than the average person one hundred years ago, meaning that the rates of consumption are actually much higher than just the increase in population would imply. For example, it took the world 125 years to use the first one trillion barrels of oil. The next trillion barrels will be used in less than 30 years, which is almost 5 times as fast, not three.
All of these activities: food production, energy usage, and the use of natural resources, contribute to climate change in some way. The greater amounts of oil and other fuels burned to create energy release chemicals which add to global warming. In order to produce more food, farmers cut down trees to gain more land for their fields. In addition, we cut down trees to build the houses needed for a larger population. Those trees are an essential part of controlling global warming; others are too numerous to mention.
In addition to a growing population, the world also has a population that desires a higher standard of living than in the past, and a higher standard of living requires the use of even more natural resources. A look at one country will provide a clear example of this fact. China is the world’s most populous nation, with 1.3 billion people. Currently, the standard of living for most of those people is far below that of people in first world nations. Therefore, the average Chinese citizen uses far fewer natural resources and less energy than the average citizen of the US or Japan. But China is growing in power, and more of its citizens are beginning to expect a first world lifestyle. If every Chinese person attains a first world lifestyle, the amount of energy and natural resources needed in the world will double, even if the standard of living in every other nation on Earth remains the same as it is today.According to the passage, which of these activities Does NOT contribute to climate change in some way?
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks.
If you want to prepare yourself for great achievement and have more to (1)..... to your education or your work, try reading more books. (2)......... up some of the interestingly informative books and search for well - researched materials that can help you grow.
We should encourage our children to read more books and spend less time watching TV. Some people have commented that this is inconsistent. "Why is the written word a superior way to get information than television?" That is (3)....... interesting point of view worth further (4).......... .Reading is a skill that is in much greater demand than the demand for watching TV. There are no jobs that require a person to be able to watch TV but reading is an integral part of many jobs. The written word is an incredibly flexible and efficient way of communication. You can write something down and, in no time, it can be communicated to many different people. Not only that, we can (5)........ vast amounts of information through reading in a very short time. A good reader can acquire more information in reading for two hours than someone watching TV can acquire in a full day. You are able to gain a lot of information quickly because you are a fast reader with good comprehension skills. It will save you massive amounts of time and you will be able to assimilate vast quantities of information.
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Most people need some preparation before they are ready for the workforce, and planning should begin long before it is time to start a career.
Many high school students don't yet know what they want to do. High school is a great time to start thinking about careers. Settling on just one occupation in high school isn't necessary, but they should know how to explore careers and put time into investigating them and learning about their skills and interests.
Understanding what you enjoy what you are good at is the first step in exploring careers. It is important to think about what you like to do because work will eventually be a big part of your life. Once you have thought about the subjects and activities you like best, the next step is to look for careers that put those interests to use. If you love sports, for example, you might consider a career as a gym teacher, or coach.
Another approach to identifying potential career interests is to consider local employers and the types of jobs they have. There are many jobs in manufacturing and healthcare near the high school. Talking directly to workers can help you get information about what they do. If you don't know workers in occupations that interest you, ask people such as your parents, friends, or teacher for their contacts.
If job shadowing give you taste of what an occupation is like, imagine how helpful getting experience could be. Students can begin getting career-related experiences in high school through internships, employment, and other activities. Completing an internship is an excellent way to get experience. Internships are temporary, supervised assignments designed to give student practical job training.Which of the following is NOT mentioned as the way to identify career interests?
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The first Industrial Revolution was about harnessing steam power so that muscle could be replaced by machines. The second was driven by electricity and a cluster of inventions from the late 19th century onwards - including the internal combustion engine, the aeroplane and moving pictures. A third revolution began in the 1960s and was based on digital technology, personal computing and the development of the internet. Industrial Revolution 4.0 will be shaped by a fresh wave of innovation in areas such as driverless cars, smart robotics, materials that are lighter and tougher, and a manufacturing process built around 3D printing.
There are some myths about Industrial Revolution 4.0. The first is that it won't really have as big an impact as the previous periods of change, most especially the breakthroughs associated with the second industrial revolution. In the past, it has always taken time to feel the full effects of technological change and many of today's advances are in their infancy. It is far too early to say that the car or air travel will prove to be less important than the sequencing of the human genome or synthetic biology. The second myth is that the process will be trouble free provided everything is left to the market. It is a fantasy to believe that the wealth created by the fourth Industrial Revolution will cascade down from rich to poor, and that those displaced will just walk into another job that pays just as well.
Indeed, all the evidence so far is that the benefits of the coming change will be concentrated among a relatively small elite, thus exacerbating the current trend towards greater levels of inequality. This was a point stressed by the Swiss bank UBS in a report launched in Davos. It notes that there will be a "polarisation of the labour force as low-skill jobs continue to be automated and this trend increasingly spreads to middle class jobs,"The word "it" in paragraph 2 refers to ?
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Expanding the planet's protected natural areas to safeguard vanishing forests and other ecosystems, and the species they protect, is unlikely to be effective on its own as human encroachment into reserves grows, scientists warned Tuesday. A study by Cambridge University researchers, which looked at thousands of conservation areas in more than 150 countries, found that, on average, protected designation is not reducing human encroachment in vulnerable areas. Both chronic underfunding of efforts to protect the land, and a lack of engagement with local communities that live there are hurting conservation efforts, they found.
Creating protected areas is "a type of intervention that we know can work, we know is absolutely essential for conserving biodiversity, at a time in this world's history where it has never been under higher pressure," said lead author Jonas Geldmann. "But despite that we are seeing that some of our protected areas are not managing to mitigate or stop that increasing pressure," said Geldmann, of the University of Cambridge Conservation Research Institute.
One-sixth of the globe now falls within protected areas, the study noted. Those include national parks, nature reserves and wilderness areas, according to the International Union for Conservation of Nature's World Database on Protected Areas. Such protected areas are vital for preserving diverse ecosystems, and helping to curb climate change by conserving carbon-sequestering forests and other vegetation. The United Nations Environment Program estimates protected areas hold 15% of the carbon stored on land.
"Protected areas are one of the most important things that we can do to stem the loss of biodiversity and to help solve the climate crisis," said Andrew Wetzler, managing director of the U.S.-based Natural Resources Defense Council's nature program. "The destruction of natural habitat is the single biggest driver of extinction."According to paragraph 3, how much land do the total preserved zones in the world account for?
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A leading question among anthropologists is: what exactly led to the development of human cities? Basically, modern humans have existed on earth for over 100,000 years. Yet it is only in the last 8,000 years that they have begun to gather in significant numbers and form cities. Prior to that period, humans existed in small family or tribal groups, generally consisting of fewer than 100 individuals. What, then, led humans to make the dramatic shift from living in small groups to living in large, organized cities? It seems that the development of cities required a particular set of circumstances.
First, it required a minimum population density. For much of their early history, humans existed only in small numbers. This is due to the fact that early humans relied on hunting and gathering wild foods for their survival. Even the most fertile land would only support a relatively small number of predators, so it was not until humans began to practice agriculture that they were able to gather in large enough numbers to form cities.
Furthermore, the development of a city could only be possible if a large number of people shared a common language, culture and religion. Without such unifying factors, a cooperative, peaceful existence among large numbers of people would have been impossible.
Finally, it seems that early humans needed to be faced with a large problem, which one small group of individuals could not solve on its own. Only when large-scale cooperation was needed to overcome a problem would humans come together to form cities.Which of the following is NOT needed for the development of a city?
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Optimists have plenty to be happy about. In other words, if you can convince yourself that things will get better, the odds of it happening will improve - because you keep on playing the game. In this light, optimism “is a habitual way of explaining your setbacks to yourself”, reports Martin Seligman, the psychology professor and author of Learned Optimism. The research shows that when times get tough, optimists do better than pessimists - they succeed better at work, respond better to stress, suffer fewer depressive episodes, and achieve more personal goals.
Studies also show that belief can help with the financial pinch. Chad Wallens, a social forecaster at the Henley Centre who surveyed middle-class Britons’ beliefs about income, has found that “the people who feel wealthiest, and those who feel poorest, actually have almost the same amount of money at their disposal. Their attitudes and behaviour patterns, however, are different from one another.”
Optimists have something else to be cheerful about - in general, they are more robust. For example, a study of 660 volunteers by the Yale University psychologist Dr. Becca Levy found that thinking positively adds an average of seven years to your life. Other American research claims to have identified a physical mechanism behind this. A Harvard Medical School study of 670 men found that the optimists have significantly better lung function. The lead author, Dr. Rosalind Wright, believes that attitude somehow strengthens the immune system. “Preliminary studies on heart patients suggest that, by changing a per¬son’s outlook, you can improve their mortality risk,” she says.
Few studies have tried to ascertain the proportion of optimists in the world. But a 1995 nationwide survey conducted by the American magazine Adweek found that about half the population counted themselves as optimists, with women slightly more apt than men (53 per cent versus 48 per cent) to see the sunny side.According to the passage, which of the following is UNTRUE about optimism?
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Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.
To many people, their friends are the most important in their life. Really good friends always (1)....................... joys and sorrows with you and never turn their backs on you. Your best friend may be someone you have known all your life or someone you have grown (2)....................... with.
There are all sorts of things that can (3) ....................... about this special relationship. It may be the result of enjoying the same activities and sharing experiences. Most of us have met someone that we have immediately felt relaxed with as if we had known them for ages. (4) ....................... , it really takes you years to get to know someone well enough to consider your best friend.
To the (5) ....................... of us, this is someone we trust completely and who understands us better than anyone else. It's the person you can tell him or her your most intimate secrets.Really good friends always (1)....................... joys and sorrows with you and never turn their backs on you
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Urban populations interact with their environment. Urban people change their environment through their consumption of Food, energy, water, and land. And in turn, the polluted urban environment affects the health and quality of life of the urban population. People who live in urban areas have very different consumption patterns than residents in rural areas. For example, urban populations consume much more food, energy, and durable goods than rural populations. In China during the 1970s, the urban populations consumed twice as much pork as the rural populations who were raising the pigs. With economic development, the difference in consumption declined as the rural populations ate better diets. But even a decade later, urban populations had 60 percent more pork in their diets than rural populations. The increasing consumption of meat is a sign of growing affluence in Beijing; in India where many urban residents are vegetarians, greater prosperity is seen in higher consumption of milk.
Urban populations not only consume more food, but they also consume more durable goods, In the early 1990s, Chinese households in urban areas were two times more likely to have a TV, eight times more likely to have a washing machine, and 25 times more likely to have a refrigerator than rural households. This increased consumption is a function of urban labor markets, wages, and household structure.
Urban consumption of energy helps create heat islands that can change local weather patterns and weather downwind from the heat islands. The heat island phenomenon is created because cities radiate heat back into the atmosphere at rate 15 percent to 30 percent less than rural areas. The combination of the increased energy consumption and difference in albedo (radiation) means that cities are warmer than rural areas (0.6 to 1.3 C), And these heat islands become traps for atmospheric pollutants. Cloudiness and fog occur with greater frequency. Precipitation is 5 percent to 10 percent higher in cities; thunderstorms and hailstorms are much more frequent, but snow days in cities are less common.
Urbanization also affects the broader regional environments. Regions downwind from large industrial complexes also see increases in the amount of precipitation, air pollution, and the number of days with thunderstorms. Urban areas affect not only the weather patterns, but also the runoff patterns for water. Urban areas generally generate more rain, but they reduce the infiltration of water and lower the water tables. This means that runoff occurs more rapidly with greater peak flows. Flood volumes increase, as do floods and water pollution downstream.
Many of the effects of urban areas on the environment are not necessarily linear. Bigger urban areas do not always create more environmental problems. And small urban areas can cause large problems. Much of what determines the extent of the environmental impacts is how the urban populations behave - their consumption and living patterns - not just how large they are.According to paragraph 3, the following are mentioned as examples of durable goods, EXCEPT .
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
Good press photographer must have an ‘eye’ for news, just as journalists must have a nose for a good story. They must be able to interpret a story and decide rapidly how they can take advantage (1)......the best opportunities to take picture. The most difficult part of a press photographer’s job is that he or she has to be able to (2)....... a complicated situation with just one photograph. They rarely have second chances and must be able to take the required shot very quickly. Indeed, speed is essential- if the photographs are not ready for the printing deadline, they are very unlikely to be of any use.
Most press photographers begin work with a local newspaper. There, the demand is mostly for material of regional interest. Photographers may be expected to photograph a lot of unexciting events but to (3).....the enthusiasm to put ‘something special’ into every picture.
There is (4)........competition among those (5)......... want to move from local to national newspapers. Here, the work is much more centered on news. The photographer must work under greater pressure and take more responsibility. Only highly reliable, talented and resourceful photographers make this difficult move. The work is tough and can be dangerous. On an overseas assignment, photographers may have to cope with unfamiliar food and accommodation, physical and mental stress, and extreme difficulty in transporting the pictures from an isolated area to get to the newspaper on time. They also have to beat the competition from other publications.(1)........................
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You have learned about dinosaurs in school. Maybe you have seen them in museums. But how much do you really know about these animals? Not all dinosaurs were just big reptiles. For years, scientists thought dinosaurs were big, dumb, and cold blooded - in other words, just giant reptiles. Some dinosaurs were huge. But many were about the size of modern-day birds or dogs. Were dinosaurs warm- or cold blooded? Paleontologists- are not sure. But they believe some were intelligent. Of course, no dinosaur was as smart as a human or even a monkey. However, some smaller dinosaurs - like the two- meter (six-foot) Troodon — had fairly large brains.
Was Tyrannosaurus rex a powerful predator? Some scientists think the opposite is true. In the movies, T.rex is often a speedy giant, but in fact, this dinosaur could not run very fast. Physically, it was too large. In reality, T.rex probably moved as fast as an elephant. Also, T. rex had very small arms. Without strong legs or arms, this dinosaur probably wasn’t a powerful hunter. It may have been a scavenger instead, only eating animals that were already dead.
Did an asteroid kill the dinosaurs? An asteroid hit Mexico’s Yucantan Peninsula about 65 million years ago. It created a 180-kilometer (HO-mile) wide crater called Chicxulub. Many believe this asteroid caused the extinction of the dinosaurs. But even before this, dinosaurs were already dying out around the world, for many reasons. At the end of the Cretaceous period, for example, the global climate was changing and Earth's temperature was getting colder.Dinosaurs completely disappeared about 65 million years ago. However, scientists believe modern-day birds are descendants of certain dinosaurs. If this true, then dinosaurs' relatives are still walking - and flying - among us!Which statement about the Troodon is probably TRUE according to the passage?
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Carnegie Hall, the famous concert hall in New York City, has again undergone a restoration. While this is not the first, it is certainly the most extensive in the building’s history. As a result of this new restoration, Carnegie Hall once again has the quality of sound that it had when it was first built.
Carnegie Hall owes its existence to Andrew Carnegie, the wealthy owner of a steel company in the late 1800s. The hall was finished in 1891 and quickly gained a reputation as an excellent performing arts hall where accomplished musicians gained fame. Despite its reputation, however, the concert hall suffered from several detrimental renovations over the years. During the Great Depression, when fewer people could afford to attend performances, the directors sold part of the building to commercial businesses. As a result, a coffee shop was opened in one corner of the building, for which the builders replaced the brick and terra cotta walls with windowpanes. A renovation in 1946 seriously damaged the acoustical quality of the hall when the makers of the film Carnegie Hall cut a gaping hole in the dome of the ceiling to allow for lights and air vents. The hole was later covered with short curtains and a fake ceiling, but the hall never sounded the same afterwards.
In 1960, the violinist Isaac Stern became involved in restoring the hall after a group of real estate developers unveiled plans to demolish Carnegie Hall and build a high-rise office building on the site. This threat spurred Stern to rally public support for Carnegie Hall and encourage the City of New York to buy the property. The movement was successful, and the concert hall is now owned by the city. In the current restoration, builders tested each new material for its sound qualities, and they replaced the hole in the ceiling with a dome. The builders also restored the outer walls to their original appearance and closed the coffee shop. Carnegie has never sounded better, and its prospects for the future have never looked more promising.Who was Andrew Carnegie?
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The history of American newspapers begins in the early 18th century with the publication of the first colonial newspapers. American newspapers began as modest affairs - a sideline for printers. They became a political force in the campaign for American independence. After independence, the first article of U.S. Constitution guaranteed freedom of the press. The U.S. Postal Service Act of 1792 provided substantial subsidies: Newspapers were delivered up to 100 miles for a penny and beyond for 1.5 cents, when first class postage ranged from six cents to a quarter.
The American press grew rapidly during the First Party System (1790s-1810s) when both parties sponsored papers to reach their loyal partisans. From the 1830s onward, the Penny press began to play a major role in American journalism and its interests seemed to remarkably surprised the management board in the journal industry. Technological advancements such as the telegraph and faster printing presses in the 1840s also helped to expand the press of the nation as it experienced rapid economic and demographic growth. Editors typically became the local party spokesman, and hard-hitting editorials were widely reprinted.
By 1900 major newspapers had become profitable powerhouses of advocacy, muckraking and sensationalism, along with serious, and objective news-gathering. During the early 20th century, prior to rise of television, the average American read several newspapers per- day. Starting in the 1920s, changes in technology again
morphed the nature of American journalism as radio and later, television, began to play increasingly important competitive roles.
In the late 20th centuiy, much of American journalism became housed in big media chains. With the coming of digital journalism in the 21st century, all newspapers faced a business crisis as readers turned to the Internet for sources and advertisers followed them.What is the main idea of the passage?
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There are already many, many people who have passed the landmark age of 100. In fact, there are now so many healthy, elderly people that there's a new term for them: the wellderly. These are people over the age of 80 who have no diseases such as high blood pressure, heart disease or diabetes and have never taken medicines for these conditions.
There have been many scientific studies of communities where a healthy old age is typical. These include places like Calabria in southern Italy and the island of Okinawa in Japan.
The small village of Molochio in Calabria has about 2,000 inhabitants. And of these there are at least eight centenarians. When researchers ask people like this the secret of their long life, the answer is almost always to do with diet and is almost always the same: 'I eat a lot of fruit and vegetables.' 'A little bit, but of everything.’ ‘No smoking, no drinking.’
While in the past scientists have looked at things such as diet and lifestyle for an explanation of long life, these days they are investigating genetics. One such researcher is Eric Topol, who says, "There must be genes that explain why these individuals are protected from the aging process."
The new research into long life looks at groups of people who have a genetic connection. For example, one group of interest lives in Ecuador. In one area of the country there are a number of people with the same genetic condition. It's called Laron syndrome. The condition means that they don't grow to more than about one, but it also seems to give them protection against cancer and diabetes. As a result, they live longer than other people in their families. Meanwhile, on the Hawaiian island of Oahu, there's another group of long-lived men, Japanese-Americans. They have a similar gene to the Laron syndrome group.
Back in Calabria, scientists are trying to work out exactly how much of the longevity is due to genetics and how much to environment. By checking public records going back to the 19th century, researchers have reconstructed the family trees of 202 nonagenarians and centenarians. They concluded that there were genetic factors involved.
What do some people from Calabria and Okinawa have in common?
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Alaska is disappearing slowly, but surely. It is estimated that since the 19505, as much as fifteen percent of Alaska's land area has disappeared. How can a whole state be disappearing? The problem is that Alaska’s glaciers are melting. The state has more than 100,000 glaciers. These glaciers account for about 75,000 square kilometers, or five percent, of the state’s area. That is an area of land larger than Ireland!
According to a recent report by the US Geological Survey, ninety-nine percent of Alaska's glaciers are either retreating or diminishing. This diminishing seems mainly due to the increase in global temperatures. Since the 19605, the average year-round temperature has increased by almost 3°C. Additionally, the average winter temperature has increased by over 6°C. Presently, an estimated 100 cubic kilometers of ice is disappearing from Alaskan glaciers every year. It may be even more in the near future, as some scientists predict that the average world temperature could go up 4 to 7°C by the year 2100.
Another problem facing Alaska is its thawing permafrost. Much of the land in Alaska used to be permanently frozen or frozen for most of the year. Now, the thawing permafrost is causing a number of problems for people living in Alaska. Roads and utility poles are collapsing as the ground around and under them warms and soften. Also, the hard permafrost that originally prevented beaches from eroding during violent storms is now melting. People who live along Alaska's coasts are being forced to relocate. For villages on small low islands, one terrible storm could wipe out the entire community.
The melting permafrost and increasing temperatures are both affecting the forests of Alaska. As the permafrost under the forests melts, insects that normally do not turn up until the warmer seasons are appearing sooner. The spruce-bark beetle, for example, is increasing in numbers as a result of warmer winter temperatures. It usually takes about two years for these beetles to grow and reproduce in. very cold weather. However, due to the increase in temperatures, spruce-bark beetles are reproducing faster and damaging as many trees in one year as they previously damaged in two. If something cannot be done to change things, Alaska's forests will not survive the turn of the century.
Some scientists believe that human activity is linked to a global increase in weather temperature.
Whatever the cause of rising temperatures may be, the fact remains that temperatures are warming, affecting Alaska for the worse. Horribly, this could be a preview of what will happen to the rest of the world in the next century.The word “permafrost” in the third paragraph mostly means
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions:
During the past half-century, our species has embarked on a remarkable social experiment. For the first time in human history, great numbers of people - at all ages, in all places, of every political persuasion - have begun settling down as singletons. Until the second half of the last century, most of us married young and parted only at death. If death came early, we remarried quickly; if late, we moved in with family, or they with us. Now we marry later. We divorce, and stay single for years or decades.
The rise of living alone has produced significant social benefits, too. Young and middle-aged solos have helped to revitalise cities, because they are more likely to spend money, socialise and participate in public life. Contemporary solo dwellers in the US are primarily women: about 18 million, compared with 14 million men. The majority, more than 16 million, are middle-aged adults between the ages of 3S and 64. The elderly account for about 11 million of the total. Young adults between 18 and 34 number increased more than 5 million, compared with 500,000 in 1950, making them the fastest-growing segment of the solo-dwelling population.
Despite fears that living alone may be environmentally unsustainable, solos tend to live in apartments rather than in big houses, and in relatively green cities rather than in car-dependent suburbs. There's good reason to believe that people who live alone in cities consume less energy than if they coupled up and decamped to pursue a single-family home.The word “them” in paragraph 2 refers to ?
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions:
The first Industrial Revolution was about harnessing steam power so that muscle could be replaced by machines. The second was driven by electricity and a cluster of inventions from the late 19th century onwards - including the internal combustion engine, the aeroplane and moving pictures. A third revolution began in the 1960s and was based on digital technology, personal computing and the development of the internet. Industrial Revolution 4.0 will be shaped by a fresh wave of innovation in areas such as driverless cars, smart robotics, materials that are lighter and tougher, and a manufacturing process built around 3D printing.
There are some myths about Industrial Revolution 4.0. The first is that it won't really have as big an impact as the previous periods of change, most especially the breakthroughs associated with the second industrial revolution. In the past, it has always taken time to feel the full effects of technological change and many of today's advances are in their infancy. It is far too early to say that the car or air travel will prove to be less important than the sequencing of the human genome or synthetic biology. The second myth is that the process will be trouble free provided everything is left to the market. It is a fantasy to believe that the wealth created by the fourth Industrial Revolution will cascade down from rich to poor, and that those displaced will just walk into another job that pays just as well.
Indeed, all the evidence so far is that the benefits of the coming change will be concentrated among a relatively small elite, thus exacerbating the current trend towards greater levels of inequality. This was a point stressed by the Swiss bank UBS in a report launched in Davos. It notes that there will be a "polarisation of the labour force as low-skill jobs continue to be automated and this trend increasingly spreads to middle class jobs,"Which statement about four Industrial Revolutions is FALSE according to the passage?
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions:
Most people need some preparation before they are ready for the workforce, and planning should begin long before it is time to start a career.
Many high school students don't yet know what they want to do. High school is a great time to start thinking about careers. Settling on just one occupation in high school isn't necessary, but they should know how to explore careers and put time into investigating them and learning about their skills and interests.
Understanding what you enjoy what you are good at is the first step in exploring careers. It is important to think about what you like to do because work will eventually be a big part of your life. Once you have thought about the subjects and activities you like best, the next step is to look for careers that put those interests to use. If you love sports, for example, you might consider a career as a gym teacher, or coach.
Another approach to identifying potential career interests is to consider local employers and the types of jobs they have. There are many jobs in manufacturing and healthcare near the high school. Talking directly to workers can help you get information about what they do. If you don't know workers in occupations that interest you, ask people such as your parents, friends, or teacher for their contacts.
If job shadowing give you taste of what an occupation is like, imagine how helpful getting experience could be. Students can begin getting career-related experiences in high school through internships, employment, and other activities. Completing an internship is an excellent way to get experience. Internships are temporary, supervised assignments designed to give student practical job training.High school is a great time for students to .