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5. Foods with Processed Proteins (蛋白质)
Meat is the richest source of high-quality protein, but avoids overly processed proteins such as hot dogs, sausages and so on. Unlike the natural proteins that help your body protect the nervous system, processed proteins do exactly the opposite. Better choose natural products, such as fish, dairy products, and seeds as these are natural, high-quality protein sources. 21. Which group of foods may affect your memory?
A. Sugar and alcohol. B. Sugar and junk food.
C. Alcohol and junk food. D. Sugar and very salty foods.
22. If you want to promote happiness, which of the following should you stop eating?
A. Sugar.
B. Foods with processed proteins.
C. Alcohol. D. Junk food.
23. The special effect of foods high in fat and very salty foods lies in_________.
A. increase of anxiety B. decrease of blood pressure
C. mental confusion D. their addiction
24. In terms of the mentioned foods, the writer seems to tell us_________.
A. they will affect our health once eaten
B. the more you eat, the less chance of illness you will get C. the key point is to pay special attention to the amount we take D. once we are addicted, it’s hard to get rid of them
B
Sometime in the future, the familiar early-newspaper on the front porch (门廊) will disappear. And instead of reading your newspaper, it will read to you. You’ll get up and turn on the puter newspaper just like switching on the TV. An electronic voice will distribute stories about the latest events, guided by a program that selects the type of news you want. You’ll even get to choose the kind of voice you want to hear. Want more information on this brief story? A simple touch makes the entire text appear. You can save it in your own personal puter if you like. These are among the predictions from munication experts working on the newspapers of the future. Pictured as part of broader home-based media and entertainment systems, puter newspapers will unite print and broadcast reporting, and offer news and analysis with video images of news events.
Most of the technology is available now, but convincing more people that they don’t need to read a newspaper is the next step. But resistance to puter newspapers may be stronger from within journalism. Since it is such a cultural change, it may be that the present generation of journalists and publishers will have to die off before the next generation realizes that the newspaper industry is no longer a newspaper industry. Technology is making the end of traditional newspapers unavoidable.
Despite technological advances, it could take decades to replace newsprint with puter screens. It might take 30 to 40 years to plete the changeover because people need to buy puters and because newspapers have established financial interests in the paper industry.
25. Which of the following is NOT an advantage of puter newspapers according to the passage? A. They are cheaper than traditional newspapers. B. They are more convenient to read.
C. You can choose the kind of voice you want to hear. D. You can easily save information for future use.
26. Journalists are against puter newspapers because_________. A. they don’t know how to use puters
B. they think puter newspapers take too much time to read
C. they think the new technology is bad
D. they have been trained to write for traditional newspapers 27. Why will it take a long time to plete the changeover?
A. Newspapers have established financial interests in the paper industry. B. puter newspapers are too expensive.
C. The popularization of puters needs a long time. D. Both A and C.
28. What is the main idea of the passage? A. puter newspapers are well liked.
B. Newspapers of the future will be on the puter. C. Newspapers are out of fashion.
D. New munications technology is used widely.
C
In his 1930 essay “Economic Possibilities for Our Grandchildren”, John Keynes, a famous economist, wrote that human needs fall into two classes: absolute needs, which are independent of what others have, and relative needs, which make us feel superior to our fellows. He thought that although relative needs may indeed be insatiable (无止境的), this is not true of absolute needs.
Keynes was surely correct that only a small part of total spending is decided by the desire for superiority. He was greatly mistaken, however, in seeing this desire as the only source of insatiable demands.
Decisions to spend are also driven by ideas of quality which can influence the demand for almost all goods, including even basic goods like food. When a couple goes out for an anniversary dinner, for example, the thought of feeling superior to others probably never es to them. Their goal is to share a special meal that stands out from other meals.
There are no obvious limits to the escalation of demands for quality. For example, Porsche, a famous car producer, has a model which was considered perhaps the best sports car on the market. Priced at over $120,000, it handles perfectly well and has great speed acceleration. But in 2004, the producer introduced some changes which made the model slightly better in handling acceleration. People who really care about cars find these small improvements exciting. To get them, however, they must pay almost four times the price.
By placing the desire to be superior to others at the heart of his description of insatiable demands, Keynes actually reduced such demands. However, the desire for higher quality has no natural limits.
29. According to the passage, John Keynes believed that_________ A. desire is the root of both absolute and relative needs B. absolute needs e from our sense of superiority C. relative needs alone lead to insatiable demands D. absolute needs are stronger than relative needs 30. What do we know about the couple in Paragraph 3? （0 分） A. They want to show their superiority. B. They find specialty important to meals.
C. Their demands for food are not easily satisfied. D. Their choice of dinner is related to ideas of quality
31. What does the underlined word “escalation” in Paragraph 4 probably mean?
A. Understanding B. Increase
C. Difference D. Study
32. The author of the passage mainly argues that _________ A. absolute needs have no limits
B. demands for quality are not insatiable C. human desires influence ideas of quality D. relative needs decide most of our spending
D
In a recent study, investigators from Washington University School of Medicine found that a small group of fat people don’t have mon metabolic abnormalities （新陈代谢异常） associated with obesity.
Researchers followed 20 fat participants who were asked to gain about 15 pounds over several