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代词07 151.—There’s coffee and tea; you can have _____. —Thanks. A. either B. each C. one D. it 〖答案〗A 〖考点〗考查代词的用法。 〖解析〗either用于肯定句时表示 “(两者中)的任一个”。因为只有coffee和tea可供选择, 所以要选either。---Susan, go and join your sister cleaning the yard. ---Why____? John is sitting there doing nothing. A.him B.he C.I D.me 〖答案〗D 〖考点〗考查代词的用法。 〖解析〗在自由对话中, 常用人称代词的宾格代替主格, 例如:Who can drive a bus? ---me.谁会开车?---我。It is these poisonous products_____can cause the symptoms of the flu, such as headache and aching muscles. A. who B. that C. how D. what 该题考查强调结构的用法。强调结构, 被强调的部分是名词these poisonous products（作主语）。It is pretty well understood_____controls the flow of carbon dioxide in and out the atmosphere today. A. that B. when C. what D. how 该题考查代词的用法。it为形式主语, 真正的主语是其后面的what引导的主语从句（因主语从句中缺少主语, 用what引导）。It was because of bad weather _____the football match had to be put off. | 
