注：寫作目的題型

　　寫作目的=寫作動機(動詞或動詞詞組+目標讀者)+文章主題

　　[Page 92-6]

　　The author's purpose writing this passage is to tell ____.

　　(A) readers how to be popular in with around

　　(B) teen-agers how to learn to decide things for themselves

　　(C) parents how to control and guide their children

　　(D) people how to understand and respect each other

　　實驗型文章的做題方法：

　　1、抓住實驗代表人物

　　2、抓住實驗目的

　　1)通常為實驗開始前的動詞不定式

　　2)實驗目的=實驗型文章的主題

　　3、抓住實驗結果：實驗結果-----直接結果和實驗結論

　　Questions 21 to 25 are based on the following passage:

　　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 people's mental capacity

　　C) to prove that smoking affects people's regular performance

　　D) to find out whether smoking helps people's short-term memory

　　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

　　23. The word "bested" (Line 3, Para. 5) most probably means ________.

　　A) beat B) 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