4. A survey was recently conducted among ferry passengers on the North Sea. Among the results was this: more of those who had taken anti-seasickness medication before their trip reported symptoms of seasickness than those who had not taken such medication. It is clear, then that despite claims by drug companies that clinical tests show the contrary people would be better off not taking anti-seasickness medications.
Which one of the following, if true, would most weaken the conclusion above?
(A) Given rough enough weather, most ferry passengers will have some symptoms of seasickness.
(B) The clinical tests reported by the drug companies were conducted by the drug companies' staffs.
(C) People who do not take anti-seasickness medication are just as likely to respond to a survey on seasickness as people who do.
(D) The seasickness symptoms of the people who took anti-seasickness medication would have been more severe had they not taken the medication.
(E) People who have spent money on anti-seasickness medication are less likely to admit symptoms of seasickness than those who have not.
我的答案是A，正确答案是D
Rotelle: You are too old to address effectively the difficult issues facing the country, such as nuclear power, poverty, and pollution.
Sims: I don't want to make age an issue in this campaign. so i will not comment on your youth and inexperience.
6. Sims does which one of the following?
(A) demonstrates that Rotelle's claim is incorrect
(B) avoids mentioning the issue of age
(C) proposes a way to decide which issues are important.
(D) shows that Rotelle's statement is self-contradictory
(E) fails to respond directly to Rotelle's claim
我的答案是C，正确答案是E
15. Baking for winter holidays is tradition that may have a sound medical basis. In midwinter, when days are short, many people suffer from a specific type of seasonal depression caused by lack of sunlight. Carbohydrates, both sugars and starches, boost the brain's levels of serotonin, a neurotransmitter that improve the mood. In this respect, carbon hydrates act on the brain in the same way as some antidepressants, Thus, eating holiday cookies may provide an effective form of self-prescribed medication.
Which one of the following can be properly inferred from the passage?
(A) Seasonal depression is one of the most easily treated forms of depression.
(B) Lack of sunlight lowers the level of serotonin in the brain.
(C) People are more likely to be depressed in midwinter than at other times of the year.
(D) Some antidepressants act by changing the brain's level of serotonin.
(E) Raising the level of neurotransmitters in the brain effectively relieves depression.
我的答案是E，正确答案是D
请教解题思路，谢谢！
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[此贴子已经被作者于2003-7-9 21:24:58编辑过] | 
