大学英语3第2次Word文档下载推荐.docx

1、B. lived mainly on plant foodC. had a wide-ranging dietD. were more fussy about what they ate（2）. Most of us have come to expect_.A. no variation in our dietB. a reduction in food suppliesC. a specialist dietD. food conforming to a set standard（3）. The specialization of food was started by_.A. the e

2、mergence of supermarketsB. the rise of agricultureC. the rich countriesD. the modern shops（4）. According to the passage, people in the West today survive on_.A. carrots and tomatoesB. several thousand types of plants and cerealsC. a very small number of cultivated foodsD. special species planted one

3、 thousand years ago（5）. The conclusion seems to be that we_.could make use of more natural speciesB. dont cultivate the right kind of foodproduce more food than we needcultivate too many different species2. human body is distributed（分布）in two different ways. Some fat people have a large chest and no

4、 waistline（腰身）, looking rather like apples. Others are fatter below the waist, looking more like pears.Doctors in Cambridge, England have been examining the relationship between health and fat （脂肪）distribution. They find that the pear-shaped fat people have fewer problems than the apple-shaped fat p

5、eople. What seems to be most important is not how much fat you have but where you have it. The doctors measured the apple-shaped women and pear-shaped women with X-ray scanners（X光扫描器）. Human beings have two types of fat:one is outside fat, that is the fat below the skin, and the other is inside fat

6、that lies inside the body. Using the X-ray scanners, the doctors found that the “apples” have a large amount of inside fat.If this inside fat is much more than outside fat, it will probably cause health problems such as obesity（肥胖症）. The best treatment for obesity is to reduce the inside fat. But un

7、fortunately diet treatment（饮食疗法） simply makes an apple-shaped person into a smaller apple and a pear-shaped person into a smaller pear. At the moment there is no effective way of reducing the inside fat.（1）. According to the relation between health and fatness _apple-shaped fat people have fewer pro

8、blems than pear-shaped peopleB. its better to be apple-shaped than to be pear-shapedits better to be pear-shaped than to be apple-shapedD. fatness is the most dangerous enemy to health （2）. The most important thing about fat people seems to be _.the amount of fat they havethe knowledge of which type

9、 of the fat people they belong tothe amount of the outside fat they havethe place where they have the fat（3）. The basic reason why some people suffer from obesity is that _.they take very little exercise every daythey have much more inside fat than is neededthey are examined by X-ray scanners quite

10、oftenthey eat too muchAccording to what is mentioned in the passage, the best treatment for obesity at present is _.to reduce the amount of food and drinksto make the body shape smalleralready known to those people in troublestill to be found.3. University of Arizona researcher Dr. William Rathji sa

11、ys that after a study based on looking into garbage cans, the average family wastes at least $150 per year in food.Homemakers go out of their way to save pennies at the store and then dont realize that waste of edible （可食用的） foods adds up much more at home, said Dr. Rathji. He was one of about 100 f

12、ood experts who met in Boise for a conference on food waste and ways to prevent it.American families throw out between 8% and 20% of edible food at a cost of $4.5 billion per year. Thats almost as much as the federal government spends every year for food stamps and child nutrition programs.He found

13、that food items which are costly and in short supply tend to be wasted more. During the 1973 meat shortage, meat waste increased to 9%, compared with 3% in 1974 and 1975. Sugar and sugar products waste jumped to 19% in 1975, when sugar prices doubled from the previous year.Dr. Rathji theorizes that

14、high prices force consumers to experiment, sometimes buy in large quantities. In the case of meat, sometimes low-priced cuts for unappetizing varieties are purchased, consumers then tend to waste more.His theory is that the more variety in food bought, the more wasted. Regular bread is wasted at abo

15、ut a 10% rate, but specialty breads and rolls are wasted at a 20% rate.If people are eating the same thing every day, they learn how to manage it. But if youre trying to pull something out of the cookbook every night, thats bound to be some waste.Another finding is that lower income families waste l

16、ess food than middle and upper income families. And the study found that dog food, which accounts for 8% of a shopping cart, is rarely wasted. Fresh produce and frozen items are more likely to be wasted.The study also showed people with the most knowledge of safe, edible food waste the least. Much f

17、ood is tossed out because a homemaker suspects it is spoiled when it is not.Large quantities of food are thrown out because a homemaker_.thinks they are not delicioussays they taste bitter and hotC. thinks they smell bad D. suspects they are spoiled when they are not American families throw out betw

18、een_of edible food every year.A. 5%8% 8%10%C. 20%28% 8%20%When sugar prices doubled, waste of sugar_.went downB. went up stayed the sameD. was cut in halfWhich of the following statements is true?_American housewives are not good homemakers.Upper-income families are more wasteful than lower-income o

19、nes.American families throw away almost as much food as they consume.Americans waste a great deal of dog food.（5）. When do American families waste more food?When prices are high.B. When food is scarce. When they think it is spoiled.D. All of the above.4. Harvard University named historian Drew Gilpi

20、n Faust as its first female president on Sunday, ending a lengthy and secretive search to find a successor（接任者）to Lawrence Summers .The seven-member Harvard Corporation elected Faust, a noted scholar on History of the American South and dean of Harvards Radcliffe Institute for Advanced Study, as the

21、 universitys 28th president.“This is a great day, and a historic day for Harvard.” James R. Houghton, chairman of the presidential search committee, said in a statement. “Drew Faust is an inspiring and accomplished leader, a superb scholar, a dedicated（献身的） teacher, and a wonderful human being.”Her

22、selection is noteworthy given the heated debates over Summers comments that genetic differences between the sexes might help explain the lack of women in top science jobs.Faust has been dean of Radcliffe since 2001, two years after the former womens college was combined into the university as a rese

23、arch center with a mission to study gender issues（性别问题）.Some professors have quietly groused that the 371-year-old university is appointing a fifth president who is not a scientist. No scientist has had the top job since James Bryant Conant retired in 1953; its last four have come from the fields of

24、 classics, law, literature and economics.1,3,5Faust is the first Harvard president who did not receive a degree from the university since Charles Chauncy, a graduate of Cambridge University, who died in office in 1762. She attended the University of Pennsylvania. “Teaching staff turned to her consta

25、ntly.” said Sheldon Hackney, a former president of the University of Pennsylvania and historian who worked closely with Faust. “Shes very clear. She has a sense of humor, but shes very strong-minded. You come to trust in her because shes so solid.” Which is NOT true about Drew Gilpin Faust?She is th

26、e 28th president of Harvard University.She is a famous scholar from the American South.She isnt a graduate from Harvard University.She was head of Radcliffe Institute for Advanced Study.Lawrence Summers held the view that .women cannot achieve as much as men in management women cannot hold important

27、 positions in society women can match men in science jobs few women make top scientists owing to genes Which might be the best title for the passage?Harvard named its 1st female president. History of Harvard University changed. Debates on female equality ended. Drew Gilpin Faust, a famous woman historian. This passage probably appears in a .b