21. The purpose of George Spilich s experiments is _________.
A) to test whether smoking has a positive effect on the mental capacity of smokers
B) to show how smoking damages peoples mental capacity
C) to prove that smoking affects peoples regular performance
D) to find out whether smoking helps peoples short-term memory
注:实验目的题,A 项为第一段实验目的同义改写,B,C 项为吸烟的负面影响与文中意思相反
Psychologist George Spilich and colleagues at Washington College in Chestertown, Maryland, decided to find out whether as many smokers say, smoking helps them to think and concentrate. Spilich put young non-smokers, active smokers and smokers deprived of cigarettes through a series of tests.
22. George Spilich s experiment was conducted in such a way as to _________.
A) compel the subjects to separate major information from minor details
B) put the subjects through increasingly complex tests
C) check the effectiveness of nicotine on smokers
D) register the prompt responses of the subjects
注:1.题目中没有具体指出是哪一个实验,所以就是针对所有提到的实验来说。
2.A 涉及文章倒数第二段的实验。
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