26 All of us eat every day, but most of us don’t understand nutrition. How much do you know about good nutrition? Are the following statements true or false?

　　1. People who don’t eat meat can stay healthy.

　　True. As long as people eat enough milk, eggs and meat alternated () , they can get enough protein ().

　　2. Fresh vegetables cooked at home are always more nutritious than canned vegetables.

　　False. The difference depends on how vegetables are prepared than whether they are fresh or canned. Vegetables cooked in too much water lose a great amount of vitamins.

　　3 Food eaten between meals can be just as good for health as food eaten at regular meals.

　　True. Nutritional value depends on what type of food you eat, not when you eat them. Eating an egg or an orange between meals can contribute to a good diet.

　　4. Taking extra vitamins beyond the recommended daily allowances won’t give you more energy.

　　True. It’s widely believed that extra vitamins provide more energy. But taking more than the body needs doesn’t make it function better, not more than overfilling your gas tank makes your car run better.

　　5. Natural vitamins are better supplements (补充) for the diet than synthetic vitamins.

　　False. There is no difference. A vitamin has the same properties (性质) and specific chemical structure whether made in a laboratory or taken from plant or animal parts.

　　6 Older people need the same amount of vitamins as younger people.

　　True. Older people need the same amount of vitamins as younger people although they need fewer calories (卡). Certain illnesses raise the requirements for some vitamins, but that is true for the young as well as the old.

　　7 Food grow in poor soil is lower in vitamins than food grown in rich soil.

　　False. The vitamins in our food are made by the plants themselves. They don’t come from the soil. However, the minerals in a plant depend on the minerals in the soil.

　　If you have answered these questions correctly, You can say you know much about food and nutrition by today’s standards. But remember that nutrition is growing science and that it may be changed as new information is obtained.

　　The main purpose of the passage is _____.

　　A to list today’s standards of food and nutrition

　　B to introduce what should be eaten and what not

　　C to explain what is helpful to your health and what is not.

　　D to test our nutrition IQ by judging the problems listed

　　27 When we say that Cambridge us a university town, we don’t mean just that it is a town with a university in it. Manchester and Milan have universities, but we don’t call them university towns. A university town is one where there is no clear separation between the university buildings and the rest of the city. The university is not just one part of the town, it is all over the town. The heart of Cambridge has its shops, pubs (小酒馆), marketplace and so on, but most of it is university—colleges, faculties(各系部), libraries, clubs and other places for university staff(教职员工) and students. Students fill the shops, cafes, bands, and churches , making these as well part, of the university.

　　The town was there first. Two Roman roads crossed there, and there are signs of building before Roman times (earlier than A.D. 43). Cambridge became a center of learning, and the authority(权威) of the head of the university was recognized by the king in 1226.

　　With about 8,250 undergraduates and over 2,000 postgraduates, the city is a busy place in “full turn” (全体学生在校上课时). Undergraduates are not allowed to keep cars in Cambridge, so nearly all of them use bicycles. Don’t try to drive through Cambridge during the five minutes between lectures. Your bicycle must go through a boiling sea of other bicycles hurrying in all directions. If you are in Cambridge at five minutes to the hour any morning of full term , you know that you are in a university town.

　　What is the title of the passage?

　　A Cambridge --- A University Town B Cambridge ---A Centre of learning

　　C Cambridge with Many Students D Cambridge with a Long History

　　28 Perhaps the most famous theory, the study of body movement, was suggested by Professor Ray Birdwhistell. He believes that physical appearance is often culturally (文化地) programmed. In other words, we learn our looks –we are not born with them. A baby has generally informed face features(特征). A baby, according to Birdwhistell, learns where to set the eyebrows by looking at those around –family and friends. This helps explain why the people of some areas of the United States look so much alike. New Englanders of Southerners have certain common face features that cannot be explained by genetics(遗传学). The exact shape of the mouth is not set at birth, it is learned after. In fact, the final shape is not formed until well after new teeth are set. For many, this can be well into grownup. A husband and wife together for a long time often come to look somewhere alike. We learn our looks from those around us. This is perhaps why in a single country there are areas where people smile more than those in other areas. In the United States, for example , the South is the part of the country where the people smile most frequently. In New England they smile less, and in the western part of New York still less. Many Southerners find cities such as New York are unfriendly, partly because people on Madison Avenue smile less than people on Peachtree Street in Atlanta, Georgia. People in large polluted areas also smile and greet each other in public less than people in small towns so.

　　This passage might have been taken out if a book dealing with_______.

　　A physics B chemistry C biology D none of the above

　　参考答案：

　　1. A 2. A 3. A.A 4. B 5. B. 6. D 7. A 8. B 9. A 10. C 11. A 12. C 13. A 14. A.

　　15. D 16. B 17. C 18. B 19. C 20. B 21. D 22. C 23. A 24. B 25. B 26. D 27. A 28. D

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