21. The reason why I didn't go to Shanghai was ________ a new job.

　　A. because I got B. because of getting C. I got D. that I got

　　【答案】D 我们没去上海的原因是我得到了一份新工作。

　　22. Why the explosion occurred was ________ the laboratory attendant had been careless.

　　A. for B. because C. since D. that

　　【答案】D 爆炸的原因是实验室工作人员的疏忽。

　　23. Is this ________ we met each other two years ago

　　A. place B. place in which C. where D. place which

　　【答案】C 这就是我们两年前见面的地方吗?

　　24. Go and get your coat. It's ________ you left it.

　　A. there B. where C. there where D. where there

　　【答案】B 他在你放他的地方。

　　25.The problem is ________will go to the meeting.

　　A. why B. when C. what D. who

　　【答案】D 问题是谁去参加这个会议。

　　26. She believes in the principle _______ to love is to give，not to take.

　　A. how B which C that D what

　　【答案】.C 本题考察的是同位语从句. that引导同位语从句,说明the princple的内容. 句意是“她相信这个原则,爱是给予,不是索取.”

　　27. ——It's thirty years since we last met.

　　——But I still remember the story, believe it or not, ________ we got lost on a rainy night.

　　A. which B. that C. what D. when

　　【答案】B。我仍然记得在雨夜迷路的那件事。

　　28. Evidence came up ____ specific speech sounds are recognized by babies as young as 6 months old.

　　A. where B. that

　　C. which D. what

　　【答案】B。本题考查的是连词辨析。这里that后面的从句是一件具体的事情，即六个月大的婴儿能够识别特殊的说话声音，这是一个完整的句子。而where连接地点;which连接一样东西;what指代某物或某事，但后面不是完整的句子。

　　29. The fact came up_____ specific speech sounds are recognized by babies as young as 6 months old.

　　A. what B. which C. that D whose

　　【答案】C。本题考查的是连词辨析。这里that后面的从句是一件具体的事情，即六个月大的婴儿能够识别特殊的说话声音，这是一个完整的句子。而where连接地点;which连接一样东西;what指代某物或某事，但后面不是完整的句子。

　　30. The fact _____ he does so in so short period of time challenges explanation.

　　A. why B. that C. what D. which

　　【答案】B that 这里引导的是同位语从句，说明fact的内容，that没有具体含义，这一点与which/that 引导的定语从句不一样，这也是判断从句是何种类型的一个标准。

　　31. The old gentleman never fails to help ___ is in need of his help.

　　A. whom B. who C. whoever D. whomever

　　【答案】C 本句考查关系代词引导的宾语从句的用法。whoever引导的宾语从句，whoever在从句中做主语。本句的意思是：“这位老年人总是乐于帮助每一个需要帮助的人。”A、D不能担任句子主语，因此C最符合题意。

　　32. He asked _____ the tiger was shot.

　　A.of whom B.by that C.by whom D.by which

　　【答案】C。他问老虎是谁射死的。

　　33. Give the books to ____ needs them for the English class and the writing class.

　　A. whomever B. whom C. who D. whoever

　　【答案】D. 本题考查疑问代词引导的名词从句。本题题意是把书给需要的人，不管他们是谁。Whomever是宾语形式的不管是谁，而whom,宾语，是谁;who，主语，是谁;whoever主语形式的不管是谁。

　　34. She didn’t know _____ he was talking to.

　　A. who B. whom C. which D. as

　　【答案】B。她不知道他在和谁说话。

　　35. I wonder _____ will come in such bad weather.

　　A. who B. whom C. which D. that

　　【答案】A。我想知道谁会在这样的坏天气里过来。

　　36. After the fire, _____ would otherwise be a cultural center is now reduced to a pile of ashes.

　　A. that B. it C. which D. what

　　【答案】D主语从句，“what would otherwise be a cultural center”做主语。

　　37. _____ was once regarded as impossible has now become a reality.

　　A. What B. That C. Which D. As

　　【答案】A 此题考查连词的用法。因为本句为主语从句，what在从句中做主语，因此A正确答案。本句的意思是：“曾经被认为是不可能的事情如今变成了现实。”

　　38. Isn’t that ___they call peace and friendship?

　　A. which B. this C. what D. where

　　【答案】C 此句是一个what引导的表语从句。陈述句的语序应当是这样的：“That isn’t what they call peace and friendship.”变成疑问句：“Isn’t that what they call peace and friendship?” what在从句中做call的宾语。因此C最符合题意。

　　39. Thinking that you know ____ in fact you don’t is not a good idea.

　　A. what B. that

　　C. when D. which

　　【答案】A。本句的意思是认为自己知道而实际上并不清楚，这不是个好想法。What引导的是名词性从句，在这里担任宾语。

　　40. He failed to live up to _______ had been expected of him.

　　A. what B. which C. that D. all

　　【答案】A。名词从句，主句缺少宾语，从句缺少主语，因此选择what。他没能完成人们对他的期望。