第8题: [单项选择]All of the following Were suggested as being used by sleep researchers EXCEPT ______. A. electrodes B. hypnosis C. charts D. recorders 参考答案:B 答案解析:该题具有细节性质，但也属常识性推理。A、C、D项均是文中提及或应该用到的东西，而hypnosis(催眠状态，催眠术)却是个抽象概念，况且文中未提及。
第20题: [单项选择]Only in recent years ________ begun to realize the importance of Internet. A. people have B. have people C. that people have D. since have people 参考答案:B 答案解析:[参考译文] 直到最近几年人们才开始认识到互联网的重要性。
[试题分析] 本题考查倒装语序的用法。
[详细解答] 在only引导的状语从句之后，主句必须主谓倒装，而不用连接词引导。
