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40. The authors purpose of writing this passage is to ________ A) argue for teaching bright and not-so-bright pupils in the same class B) recommend pair work and group work for classroom activities C) offer advice on the proper use of the library D) emphasize the importance of appropriate formal classroom teaching 注：写作目的题型 写作目的=写作动机（动词或动词词组+目标读者）+文章主题 [Page 92-6] The authors purpose writing this passage is to tell ____. readers how to be popular in with around teen-agers how to learn to decide things for themselves parents how to control and guide their children people how to understand and respect each other 实验型文章的做题方法： 1、抓住实验代表人物 2、抓住实验目的 1）通常为实验开始前的动词不定式 2）实验目的=实验型文章的主题 3、抓住实验结果：实验结果-----直接结果和实验结论 Questions 21 to 25 are based on the following passage: 21. The purpose of George Spilichs 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 22. George Spilichs 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 23. The word bested most probably means ________. A) beatB) envied C) caught up with D) made the best of 24. Which of the following statements is true? A) Active smokers in general performed better than deprived smokers. B) Active smokers responded more quickly than the other subjects. C) Non-smokers were not better than other subjects in performing simple tasks. D) Deprived smokers gave the slowest responses to the various tasks. 25. We can infer from the last paragraph that _________. A) smokers should not expect to become airline pilots B) smoking in emergency cases causes mental illness C) no airline pilots smoke during flights D) smokers may prove unequal to handling emergency cases | 
