大学英语六级历年真题及答案——2009年6月
26．Which of the following statements is NOT true？
A）The author is against getting rid of pleasure food altogether．
B）One can eat the high-fat real foods heartily since it is fuel for the body．
C）Make sure to keep pleasure food such as ice cream in your diet．
D）Of course you can sometimes have ice cream if you really want to．
27．What would be the best title for this passage？
A）Real Food And Pleasure Food
B）Reducing Weight
C）Limit Your Consumption Of Pleasure Food
D）How To Choose Food When You Are Hungry
28．Whatcan you assume from the last paragraph？
A）Being able to eat anything doesn't necessarily imply pleasure．
B）Real foods may lead to slimness．
C）Eat only what your body needs．
D）Be sure to satisfy your hunger whenever it strikes you．
29．What can broccoli be except ________ ．
A）ice cream
B）cauliflower
C）a turkey sandwich
D）a piece of toast
30．Judging from the fourth paragraph，what does"junk"mean？
A）Food like ice cream．
B）Food you do not like．
C）Pleasure foods．
D）Low-quality foods．
Questions 31to 35are based on the following passage：
Cloning，manipulating a cell from an animal so that it grows into an exact copy of that animal，is the forbidden fruit of biotechnology． Some scientists were so sure it could not be done that，in the 1970s，they discouraged moralists（伦理学家）from discussing its moral implications．Yet at the same time other scientists，secretly，in out-of-the-way labs，were getting ever closer to making clones．For ten years，scientists have been cloning sheep and cows from embryo（胚胎）cells．But so far Dolly is the only animal cloned from an adult cell，not from an embryo． She is living proof that scientists have solved one of the most challenging problems of cell biology．
The question now is how soon will scientists clone humans．"Nature"，the scientific journal that published the Dolly paper，commented，"Cloning humans from adults tissues is likely to be achievable any time from one to ten years from now．"Most scientists agree there is no insurmountable obstacle in human cloning．But a human clone，even though it might resemble the individual from whom it was made，would differ dramatically in personality and character，intelligence and talents．"You will never get 100 percent identity，"says psychologist Jerome Kagan of Harvard，"because of chance factors and because environments are never exactly the same．"
That，however，is small comfort to many people．Shortly after Dolly's birth announcement，President Clinton ordered a group of experts to come up with proposals for government action．With the cloning of humans within reach，whether it is to be banned or regulated is now on the nation's moral agenda（议事日程）． Some regard the cloning of humans as inherently evil，a morally unjustifiable intrusion into human life．They measure the morality of any act by the intention behind it；still others are concerned primarily with consequences for society as well as for individuals．
For the moment it seems that the latest achievement in the biotech field has provided everyone with food for thought．
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