Choose the best answer:
If I ……… my wallet at home this morning, I ……… money for lunch now.
Suy nghĩ và trả lời câu hỏi trước khi xem đáp án
Lời giải:
Báo saiGiải thích:
Câu điều kiện loại hỗn hợp: If + QKHT, S + would/could/might + V.
Dịch: Nếu tôi không để ví ở nhà sáng nay, tôi đã có tiền ăn trưa ngay bây giờ.
Câu hỏi liên quan
-
Read the following passage and choose the best answer (A, B, C, D):
Advertising helps people recognize a particular brand, persuades them to try it, and tries to keep them loyal to it. Brand loyalty is perhaps the most important goal of consumer advertising. Whether they produce cars, canned foods or cosmetics, manufacturers want their customers to make repeated purchases. [2] The quality of the product will encourage this, of course, but so, too, will affect advertising. Advertising relies on the techniques of market research to identify potential users of a product. [3] Are they homemakers or professional people? Are they young or old? Are they city dwellers or country dwellers? Such questions have a bearing on where and when ads should be placed. By studying readership breakdowns for newspapers and magazines as well as television ratings and other statistics, an advertising agency can decide on the best way of reaching potential buyers. Detailed research and marketing expertise are essential today when advertising budgets can run into thousands of millions of dollars. [4] Advertising is a fast-paced, high-pressure industry. There is a constant need for creative ideas that will establish a personality for a product in the public’s mind. Current developments in advertising increase the need for talented workers. In the past, the majority of advertising was aimed at the traditional white family - breadwinner father, non-working mother, and two children. Research now reveals that only about 6 percent of American households fit this stereotype. Instead, society is fragmented into many groups, with working mothers, single people and older people on the rise. To be most successful, advertising must identify a particular segment and aim its message toward that group. Advertising is also making use of new technologies. Computer graphics are used to grab the attention of consumers and to help them see products in a new light. The use of computer graphics in a commercial for canned goods, for instance, gave a new image to the tin can
5. The author implies that the advertising industry requires ___________ -
Choose the best answer:
We _________ tasks into three parts so that all members of the group can take part in. -
Read the following passage and choose the best answer (A, B, C, D):
In 2018 the Tchaikovsky Competition celebrated its 60th anniversary. While many things have changed in the country, in the world and in the people, the art of music has been showing its amazing vital power helping the performing art go through difficult times and contributing to its amazing ability to revive. It appears that the history of the Tchaikovsky Competition can be divided into three periods which in the terms of a well-known critic can be defined as the rise, the soaring and the descent. The rise refers to the first three Competitions (1958, 1962 and 1966) when the structure of the Competition was formed (the First Competition comprised two categories, the Second – three and the Third – four categories). The competition jury was a pool of renowned cultural figures. Under the special focus were the amazingly talented competitors and they exceeded all expectations. The winner of the piano contest of the I Competition became Van Cliburn, a US piano player who just after finishing his first program items became the object of admiration and a legend that was passed down in Russia and America for generations. His impressive performance was something that couldn’t be judged only from the professional point of view; our listener’s perception was almost irrational. Also, for long we remembered by names the other piano players taking part in the I Competition. Truly, Toyoaki Matsuura and Daniel Pollack were brilliant virtuosos, if not genius. Besides, both Daniel Pollack and Van Cliburn studied under Rosina Levina, a famous Russian educator, i.e. they were kindred spirits for Russians. What was happening gave an impression of something truly exceptional and unmatched, and this was proved to be true during the many years of the Tchaikovsky Competition in the future. The II Competition was also truly amazing. In the piano category won Vladimir Ashkenazi, the Soviet virtuoso piano player, and an eccentric Englishman John Ogdon. In the violin contest the winner was Leningrad native Boris Gutnikov who had won all the competitions in which he had participated. At the III Competition there was a sensation: a Leningrad native 16-year-old Grigory Sokolov while not being considered by the critics as the most likely winner won the first prize in the piano contest; his charmingly fresh musicality and magical pianism turned the jury’s opinion in his favor despite the dissatisfaction of the Moscow audience over the jury’s choice.
8. What will the next paragraph possibly discuss? -
Read the following passage and choose the best answer (A, B, C, D):
Deforestation has important global consequences. Forests sequester carbon in the form of wood and other biomass as the trees grow, taking up carbon dioxide from the atmosphere. When forests are burned, their carbon is returned to the atmosphere as carbon dioxide, a greenhouse gas that has the potential to alter global climate, and the trees are no longer present to sequester more carbon. In addition, most of the planet’s valuable biodiversity is within forests, particularly tropical ones. Moist tropical forests such as the Amazon have the greatest concentrations of animal and plant species of any terrestrial ecosystem; perhaps two-thirds of Earth’s species live only in these forests. As deforestation proceeds, it has the potential to cause the extinction of increasing numbers of these species. On a more local scale, the effects of forest clearing, selective logging, and fires interact. Selective logging increases the flammability of the forest because it converts a closed, wetter forest into a more open, drier one. This leaves the forest vulnerable to the accidental movement of fires from cleared adjacent agricultural lands and to the killing effects of natural droughts. As wildfires, logging, and droughts continue, the forest can become progressively more open until all the trees are lost. Additionally, the burning of tropical forests is generally a seasonal phenomenon and can severely impact air quality. Record-breaking levels of air pollution have occurred in Southeast Asia as the result of burning for oil palm plantations. In the tropics, much of the deforested land exists in the form of steep mountain hillsides. The combination of steep slopes, high rainfall, and the lack of tree roots to bind the soil can lead to disastrous landslides that destroy fields, homes, and human lives. With the significant exception of the forests destroyed for the oil palm industry, many of the humid forests that have been cleared are soon abandoned as croplands or only used for lowdensity grazing because the soils are extremely poor in nutrients. The vegetation that contains most of the nutrients is often burned, and the nutrients literally “go up in smoke” or are washed away in the next rain. Although forests may regrow after being cleared and then abandoned, this is not always the case, especially if the remaining forests are highly fragmented. Such habitat fragmentation isolates populations of plant and animal species from each other, making it difficult to reproduce without genetic bottlenecks, and the fragments may be too small to support large or territorial animals. Furthermore, deforested lands that are planted with commercially important trees lack biodiversity and do not serve as habitats for native plants
and animals, many of which are endangered species.
5. The word “significant” in paragraph 4 can be best replaced by ______ -
Read the following passage and choose the best answer (A, B, C, D):
There are many types of family systems around the world. In North America and northern Europe, the nuclear family (with two generations - a father, a mother and one or more children) is often seen as the most typical. In contrast, in most other parts of the world, extended families, which include other family members such as grandparents, aunts, uncles and cousins, are seen as the norm. The common view is that the nuclear family has become the norm in many Western societies as a result of industrialization and urbanization. This trend began in the late eighteenth and nineteenth centuries, when people were forced to move to cities to find work in the factories that sprang up during the Industrial Revolution. In the twentieth century, greater industrialization resulted in even more people leaving their large extended families. Urbanization also meant that people lived in much smaller houses, which were not big enough for an extended family. The trend towards nuclear families meant that many of the duties and responsibilities of a family, such as providing food and shelter, cleaning the home, preparing the food, caring for children and their education, and caring for the sick and elderly are no longer shared among the members of the extended family. The parents (or parent) now have to do this, with some help from the state. However, this is the price that people pay for the higher standard of living that may come from living in a city. We may think we know what we mean by a ‘nuclear’ family and an extended family, but reality is more complicated than most people believe. Most nuclear families are part of extended families: children have grandparents and, in many cases, aunts, uncles and cousins as well. Part of what makes them ‘nuclear’ is that they live in their own separate household, but it is not the whole story. In Greece or Italy, for example, a nuclear family may live in its own flat, but the extended family may live in the same apartment block or in the same street and family members see each other and even eat together every day. There is at least one more factor to consider. Family members may be separated from each other by geographical distance, but they may have close emotional ties. Even in North America and northern Europe, grandparents usually have close bonds with their grandchildren, and families often travel long distances so that they can see each other. Grandparents often help their adult children, for example, by cooking and looking after their children in emergencies. In the same way, when their parents become too old to live on their own, adult children may take them into their own homes. As a result, they turn their nuclear family into an extended family. The structure of families changes over time. The effects of urbanization and industrialization are enormous, but they are not the only reasons for the changes. People marry, have children, become widowed, divorce and die. Children grow up and adults grow old. Nuclear families become extended families and extended families become nuclear families. Family ties stay strong or become weak. One thing is certain: in a changing world, the family will continue to change, but ultimately, it is likely to continue to be the basic unit of society
6. The word "their" in the passage refers to ____ -
Read the following passage and choose the best answer (A, B, C, D):
You’ll be able to purchase high-quality emotions online. Emotion-sharing experiences are the latest fad in 2045. Imagine your friend at Glastonbury can post a photo on Instagram and with it comes bundled a faint twinkling of what she was feeling right there in that moment, so you too can share emotionally in her social experience. Recently, techniques for direct brain stimulation, like opt genetics, have made it possible to not only read but also write information into single neurons. At the moment data transfer rates are still very slow, the best we can do is a few bits per second, but this could well increase to kilobits or maybe reach broadband speeds by 2045. This means the range of human perception could expand beyond its current design limitations. One could foresee a new and extraordinary world where there is a virtual marketplace for trading high quality emotions – where artists looking for a particularly high strength brew of melancholy, or actors needing to channel regret or compassion for their next play, could purchase emotions online. Our cities will be made from living, dynamic materials that respond to the environment. In 30 years, tall buildings made of glass and twisted steel will be seen as relics from a bygone era, in the same way we think now of 1970s concrete tower blocks: ugly, outdated and unfit for contemporary purpose. The urban environment of 2045 blends architecture with living materials that are mouldable, adaptable, responsive and disposable. Entirely new synthetic life forms, or biological machines, made of engineered living cells from bacteria, fungi and algae will grow and evolve with the changing needs of a building’s inhabitants. They breathe in pollutants, clean wastewater, and use sunlight to make useful chemicals, energy, heat and vibrant vertical gardens. We will start to see a convergence between biology and technology, to the point where there is no longer a perceptible difference between the two. Today, synthetic biology labs are looking at the full diversity of what nature has to offer and using this to mix, match and edit genomes to design synthetic life forms. Right now, this field is just getting started and the science of synthetic biology is going to be tougher than most will admit. We will use invisibility cloaks to “disappear” ugly objects. Invisibility has forever been a tantalizing prospect. The key to cloaking lies in the way the electromagnetic spectrum (including visible light) interacts with objects. The human eye picks up electromagnetic radiation that falls and scatters from objects and we perceive this as light. In recent decades, scientists figured out using mathematics that it might just be possible to imagine a new class of artificial materials made of intricate tiny features with light bending properties. They named them metamaterials. Using nanotechnology engineering, scientists have since shown cloaking actually works – in principle at least, for a narrow range of colours and only from certain viewing angles. The future applications of cloaking are highly uncertain and will likely be determined by the fads and social contagion of the time. They may be used in everything from novelty gimmicks to making unsightly construction sites and power stations seemingly ‘disappear’.
8. What can be inferred from the last paragraph? -
Each sentence has a mistake. Findit by chosing A B C or D
The United States is a highly developed and industrializing society
-
Read the following passage and choose the best answer (A, B, C, D):
Orbis is an organization which helps blind people of everywhere. It has built an eye hospital inside an airplane and (1)___________ it all over the world with an international medical team. Samantha Graham, a fourteen-year-old schoolgirl from England, went with the plane to Mongolia. Samantha tells the story of the Eukhtuul, a young Mongolian girl. ‘Last year, when Eukhtuul was walking home from school, she was attacked by boys with sticks and her eyes were (2) _________ damaged. Dr. Duffey, an Orbis doctor, said that without an operation she would never see again. I thought about all the things I (3)________ that she couldn’t, things like reading schoolbooks, watching television, seeing friends, and I realized how lucky I am.’ ‘The Orbis team agreed to operate (4) ________ Eukhtuul and I was allowed to watch, together with some Mongolian medical students. I prayed the operation would be successful. The next day I waited nervously with Eukhtuul while Dr. Duffey removed her bandages. “In six months your sight will be back to (5)__________,” he said. Eukhtuul smiled, her mother cried, and I had to wipe away some tears, too!’ Now Eukhtuul wants to study hard to become a doctor. Her whole future has changed thanks to a simple operation. We should all think more about how much our sight means to us -
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 following questions:
Tourism and Heritage Protection Travelling is a great thing to do. It helps us learn about different people and different places. Some people travel because they want to see nature. Others travel because they want to make friends and try great food. Of course, a lot of tourists are interested in traditional culture.
Tourism can be very good for traditional cultures. This is because when people travel to another country, they often want to learn more about that country’s traditions, such as music, food, and history. Therefore, the local people in that country will keep their traditional culture alive. They will wear traditional clothing, and sell traditional food. They will also have shows for tourists. These shows can be dances, concerts, plays, or something else.
Tourism also helps people respect each other. If you understand another culture well, you will probably respect that culture much more. You will probably want to protect that culture as well. However, tourism is not always good for traditional culture. Many people say that tourism creates “fake traditional culture”. This means that the local people wear traditional costumes, and do traditional dances only for tourists, but that is not their real lifestyle. Their real lifestyles are similar to the tourists’ lifestyle. They are just pretending because they want to make money.Why do local people want tourism?
-
Choose the best answer:
Let’s _________ water by turning off tapes when not using. -
Read the following passage and choose the best answer (A, B, C, D):
In the early decades of the United States, the agrarian movement promoted the farmer as society’s hero. In the minds of agrarian thinkers and writers, the farmer was a person on whose well-being the health of the new country depended. The period between the Revolution, which ended in 1783, and the Civil War, which ended in 1865, was the age of the farmer in the United States. Agrarian philosophers, represented most eloquently by Thomas Jefferson, celebrated farmers extravagantly for their supposed centrality in a good society, their political virtue, and their Superior morality. And virtually all policy makers, whether they subscribed to the tenets of the philosophy held by Jefferson or not, recognized agriculture as the key component of the American economy. Consequently, government at all levels worked to encourage farmers as a social group and agriculture as economic enterprise. Both the national and state governments developed transportation infrastructure, building canals, roads, bridges, and railroads, deepening harbors, and removing obstructions from navigable streams. The national government imported plant and animal varieties and launched exploring expeditions into prospective farmlands in the West. In addition, government trade policies facilitated the exporting of agricultural products. For their part, farmers seemed to meet the social expectations agrarian philosophers had for them, as their broader horizons and greater self-respect, both products of the Revolution, were reflected to some degree in their behavior. Farmers seemed to become more scientific, joining agricultural societies and reading the farm newspapers that sprang up throughout the country. They began using improved implements, tried new crops and pure animal breeds, and became more receptive to modern theories of soil improvement. They also responded to inducements by national and state governments. Farmers streamed to the West, filling frontier lands with stunning rapidity. But farmers responded less to the expectations of agrarians and government inducements than to growing market opportunities. European demand for food from the United States seemed insatiable. War, industrialization, and urbanization all kept demand high in Europe. United States cities and industries grew as well; even industries not directly related to farming thrived because of the market, money, and labor that agriculture provided.
4. Which of the following statements is supported by the information of the passage? -
Read the following passage and choose the best answer (A, B, C, D):
It’s extremely important for kids of middle childhood to continue, or to start to lead a healthy lifestyle, including eating nutritious meals as well as getting plenty of exercise and adequate sleep every day. These positive health habits will help children grow strong, stay healthy, and decrease the likelihood that they will become obese. Childhood obesity rates have increasing dramatically in recent years. According to the Centers for Disease Control, in 2004, 18.8% of school-aged children were obese, versus 4% of children 30 years before in 1974. Children’s skyrocketing rate of obesity is worrisome because it greatly increases children’s risk for remaining obese in adulthood, which in turn raises their risk for heart disease, stroke, cancer, diabetes, and premature death as adults. Obese children may also develop associated health problems during the middle childhood stage, such as high blood pressure, high cholesterol levels, and respiratory problems. Obesity can also set the stage for problems with self esteem, depression, anxiety and social ostracism, and/or being victimized by bullies Healthy diet and adequate exercise are important in preventing Type II diabetes in childhood as well as obesity. Diabetes is a metabolic disease in which the body cannot properly metabolize the sugars from food. Because the body cannot metabolize sugars, the sugars accumulate in the bloodstream instead and ultimately stress children’s kidneys, heart, circulatory system, and eyes. Insulin, which is created in the pancreas, is the chemical that breaks down blood sugar. In Type II diabetes, the body does not produce enough insulin to deal with all the sugars coming into the body. This medical diagnosis used to be called “adult-onset diabetes” because the disorder primarily affected adults with poor eating and activity habits. Today, however, this illness is now diagnosed in America’s children far more than in adults. It is now referred to as “Type II diabetes”, to reflect this shift in prevalence. In contrast to the many youth in America who overeat and don’t get enough exercise, other children become obsessed with over-controlling their food intake and with exercising too much. With the constant barrage of perfect, photoshopped bodies in the media today, many children are feeling pressure at younger and younger ages to imitate those images. Children as young as 6 are reporting that they are trying to lose weight by dieting. Overemphasis on extreme thinness can put children at risk for poor self-esteem, unhealthy exercise patterns, and eating disorders such as anorexia and bulimia. Children who embrace healthy eating and exercise habits during middle childhood will have a much easier time maintaining a healthy lifestyle through adolescence and adulthood than individuals who try to make the shift later in life. Teaching children to habitually eat moderate portion sizes and to choose healthy foods in preference to junk foods becomes increasingly important as children begin to spend more time away from home and gain more independence over their food and activity choices. Even though parents have less control over their children’s eating habits during middle childhood than when children were younger, it remains vital that parents continue to reinforce children’s healthy habits whenever possible.
5. What does the word “It” in paragraph 3 refer to? -
Read the following passage and choose the best answer (A, B, C, D):
People have five senses. We have a sense of sight, hearing, smell, touch, and taste. Believe (1) _______ , your sense of smell is very important. Our nose tells us about our environment. When your nose smells something, it sends information to our brain. Smells tell us if there is danger nearby, or if there is something to eat. Of course, these tools were more useful in the past, but they still come (2) _______ today. The things you smell can affect your (3) _______ If you smell something nice, you are more likely to be happy. On the other hand, if you smell something unpleasant, you are more likely to be unhappy. That is (4) _______ there are so many businesses that work to create nice scents. Businesses also work on the best ways to deliver scents to people’s noses. Candles (5) _______. a whole room smell better. Oils and soaps also have health benefits. -
Read the following passage and choose the best answer (A, B, C, D):
Children’s behaviour has worsened over the past five years, according to a survey of teachers which found that a fifth thought girls were more likely to cause trouble than boys. The survey, published after teachers at a Lancashire school went on strike over discipline, found low-level disruption, including chatting and “horsing around”, was the biggest problem. Boys were more likely to be physically aggressive while girls tended to ostracise other pupils. The behaviour of boys was more of a challenge than that of girls but the actions of each sex had deteriorated, according to 56.5% of staff surveyed by the Association of Teachers and Lecturers (ATL). Among male pupils the most challenging behaviour for teachers was physical aggression, such as pushing, spitting, kicking and hitting. A secondary teacher quoted in the survey said boys were usually aggressive with other pupils, while girls tended to call one another names. Teachers criticised a lack of role models in the home. A primary teacher said: “The boys are far more willing to be aggressive to adults, verbally and even physically. There don’t seem to be any parental boundaries set of what is an appropriate way to speak and deal with another adult.” Teachers at Darwen Vale high school, Lancashire, walked out over unruly pupil behaviour this month. They said children challenged them to fights and threatened to film lessons and post them online. The survey of more than 850 teachers, heads and other school staff found that more than 21% thought girls’ behaviour was more challenging than boys, compared with 68% who said male pupils caused more trouble. In schools that have excluded pupils, 57% said more boys and 5% said more girls had been excluded. A department head in a primary school told the survey, carried out in March, that “classes with a majority of boys tend to be louder, less co-operative and harder to teach”. Nearly half of the staff surveyed said boys’ bravado was behind their disruption. For girls, the most likely trigger was a break-up between friends. A primary school teacher from Bedfordshire said: "Boys are generally more physical and their behaviour is more noticeable. Girls often say nasty things, which end up disrupting the lesson just as much as the boys, as other children get upset and can’t focus on their work. They are usually the ones who refuse to comply with instructions." Some staff had noticed girls’ behaviour worsening.” A teaching assistant from Weston-super-Mare said: “Girls are definitely getting more violent, with gangs of girls in school who are getting worse than the gangs of boys.” The ATL annual conference in Liverpool on Monday is due to debate a motion expressing concern at increasing numbers of girls being excluded from secondary school. Government figures for 2008-9 showed that boys represented 78% of the total number of permanent exclusions from schools in England. This proportion was unchanged from the year before. The ATL general secretary, Mary Bousted, said: "Staff get ground down daily by the chatting and messing around, which disrupts lessons for other pupils and takes the pleasure out of teaching. Even more worrying is the physical aggression, most often among boys but also among some girls, which puts other pupils and staff at risk. Schools need to have firm and consistent discipline policies and work with parents to keep schools and colleges safe places for pupils and staff alike." The education bill, now going through the Commons, will give teachers the right to search pupils for banned items and will remove the requirement to give parents a day’s notice of detention. The education secretary, Michael Gove, said the measures in the bill would “restore discipline” in the classroom.
1. What does the passage mainly discuss? -
Read the following passage and choose the best answer (A, B, C, D):
Light, litter and noise from boating and water sports are all major stressors on marine life, a new study aims to enhance our knowledge of the effects of these stressors. Researchers will be gathering data from sporting events, leisure boating, tourism and beach activities. The project will assess the impact that these activities have on the environment and marine life in order to offer further guidance to organisers and water sports enthusiasts. Mike Laflin said: “I’ve worked in the sports industry for 30 years, providing market intelligence and information services and a few years ago I started to measure the impact of sporting events on host cities and nations. I’m excited to support this new research so that we can understand more about how our activities impact the environment and how we can mitigate against any negative effects.” Theresa Laflin said: “We are very excited to be able to support all the wonderful work that the university is doing in the area of marine research, and for increasing our awareness of the detrimental impact we have on our environment.” The PhD project will be supervised by Tamara Galloway, Professor of Ecotoxicology at Exeter, who conducts research into the human health effects of pollutants, particularly micro-plastics in water; and Steve Simpson, Associate Professor in Marine Biology and Global Change at the University of Exeter, who has shown that man-made noise is having a detrimental effect on the marine world. Simpson said: “Noise from offshore construction, shipping and motorboats all change the ocean soundscape, disrupting acoustic communication, robbing animals of fundamental sensory information and causing stress. However, working with industry we have found that by managing when and where noise is made, and developing new technology to reduce the noise, we can mitigate the impacts of noise. Finding solutions to reduce the impacts of sporting activities will further help to protect the marine environment.” Galloway said: “We’ll be looking at all forms of pollution both from everyday leisure activities and major sporting events. Investigating specific events gives us the opportunity to measure environmental quality before and after the event, and to return after a period of time to assess recovery. Such an event could be seen as an ‘acute stressor’. Then we’ll also assess ongoing sporting activities, akin to a ‘chronic stressor’ and will try to compare and contrast different types of impact.”
2. The word “litter” in paragraph 1 is closest in meaning to _______ -
Read the following passage and choose the best answer (A, B, C, D):
For hundreds of years, giving flowers have been a social means of communication. In the United States, flowers are often given during rites of passage, for commemorating special occasions or as a heartfelt gift between loved ones and friends. Flower gifting also occurs in most countries around the world. However, the meanings and traditions often vary. While students traditionally gave their favorite teacher an apple in past years, in China, teachers are given flowers. Peonies are by far the flower most often given in China. They are also quite popularly used for weddings. Strangely, potted plants are not considered a pleasant gift among Asian cultures. The people believe that like a plant confined by a pot, the gift symbolizes a binding or restriction. In Russia, in lieu of giving birthday presents, the guest of honor receives a single flower or an unwrapped bouquet. Floral arrangements or baskets are not given. Russians celebrate a holiday known as Woman’s Day. Traditional gifts include red roses, hyacinths or tulips. When there is a funeral or other occasion where someone wishes to express sympathy, carnations, lilies or roses are given in circular configurations, which signify the transition of birth, life and death to rebirth. In this instance, the color of choice is commonly yellow. For joyous occasions, arrangements and bouquets generally contain an odd number of flowers In the times of ancient Rome, brides carried flowers to scare away evil spirits and encourage fertility. The Dutch believed that flowers were food for the soul. When invited to someone’s home in Great Britain, it is tradition to bring a gift of flowers. All types are acceptable except white lilies, which are usually seen at funerals. Not unlike the United States, red roses are a symbol of love. Flowers are generally gifted in odd numbered increments regardless of the occasion. However, the Brits also have superstitions regarding the number 13, so the number is avoided. In the southern region of the continent, flowers are traditionally given during Christmas. Egyptians are much more conservative and restrict flower gifting to funerals and weddings. While certain flowers may have significant meanings for some, flowers in Las Vegas and across the United States flowers are an accepted gift for any reason desired.
2. What does the word “They” in paragraph 2 refer to? -
Read the following passage and choose the best answer (A, B, C, D):
We all want to live in a clean and green world and breathe pollution free air. For this kind of environment we desperately need a fossil fuel free world. Scientists are toiling hard to come up (1)______ alternative fuels which can replace conventional fuels. One such study was presented at the 237th National Meeting of the American Chemical Society. This study throws interesting light on the first economical, eco-friendly process to (2)______ algae oil into biodiesel fuel. The scientists are quite hopeful that one day America will become independent (3)______ fossil fuels. Ben Wen is the (4)______ researcher and vice president of United Environment and Energy LLC, Horseheads, N.Y. According to him, “This is the first economical way to produce biodiesel from algae oil. It costs much less than conventional processes because you would need a much smaller factory, there (5)______ no water disposal costs, and the process is considerably faster.” -
Read the following passage and choose the best answer (A, B, C, D):
Altruism is a type of behavior in which an animal sacrifices its own interest for that of another animal or group of animals. Altruism is the opposite of selfishness; individuals performing altruistic acts gain nothing for themselves. Examples of altruism abound, both among humans and among other mammals. Unselfish acts among humans range from the sharing of food with strangers to the donation of body organs to family members, and even to strangers. Such acts are altruistic in that they benefit another, yet provide little reward to the one performing the act. In fact, many species of animals appear willing to sacrifice food, or even their life, to assist other members of their group. The meerkat, which is a mammal that dwells in burrows in grassland areas of Africa, is often cited as an example. In groups of meerkats, an individual acts as a sentinel, standing guard and looking out for predators while the others hunt for food or eat food they have obtained. If the sentinel meerkat gains nothing – it goes without food while the others eat, and it places itself in grave danger. After it issues an alarm, it has to flee alone, which might make it more at risk to a predator, since animals in groups are often able to work together to fend off a predator. So, the altruistic sentinel behavior helps ensure the survival of other members of the meerkat’s groups.
1. What is the passage mainly about? -
Choose the best answer:
What’s going to be ____________ TV tonight? -
Read the following passage and choose the best answer (A, B, C, D):
The field of 3-D printing comes with a new set of legal questions hospitals using the technology will need to consider, said Bruce Kline, a technology licensing manager who oversees patents for new technology developed at Mayo Clinic. For starters, he said the STL file printers use are a lot like MP3 music files, in that they can be protected under copyright and require licensing to use. Copyright violations can occur if a purchased STL anatomical model file for rare disease is illegally shared with another institution that did not purchase the file from the vendor that created the file. Under the law, if a device has a functional use it falls under patent law. If it is not functional, it falls under copyright law. Kline said most medical 3-D printing for educational models and complex anatomy evaluation currently falls under copyright. But, he said that will rapidly change in the coming years as customizable 3-D printable medical devices see wider use. Additive manufacturing (AM) allows the creation of patient-specific devices at the point of care. Kline said an interesting fact is that these devices are FDA 510(k)-exempt if produced by a hospital instead of a medical device vendor. He said this blurs the lines between traditional vendor relationships, since the hospital can now become the manufacturer. However, if a hospital makes a device, it also becomes liable for it. He advised that it might be better for a commercial vendor to make the device for the hospital so the vendor assumes the liability of the device. Custom-made medical devices are also exempt under FDA regulations, Kline said. So, if a physician creates or modifies a device to meet the clinical needs of a specific patient’s anatomy, he said it is acceptable to use under current FDA rules. This may leave the door wide open for use of 3-D printed devices that are customized for each patient using their own 3-D imaging datasets. It is possible printable device files may become available in the next few years to customize and print on demand. However, Kline said it will be much more difficult to enforce patents on these types of devices. He explained if someone makes one or two devices, there is no economical way for the creator of those device files to go after the user/maker of of unlicensed copies of the device to claim lost profits.
6. According to paragraph 3, what is NOT one of the changes the AM technologyintroduces to hospital?