四六级考试是一项考察基础语法和短语知识比较多的题型，语法是学习英语的基础，是构建语言系统的框架，考生复习时就更应该提前掌握这些基本知识，来练习一下 四六级考试网整理的四六级真题吧，从真题中掌握语法。

　　1. Evidence came up______ specific speech sounds are recognized by babies as young as 6 months old.(91.6/63)

　　A. what B. which C. that D. whose

　　2. What______ would happen if the director knew you felt that way?(91.6/67)

　　A. do you suppose B. you suppose C. will you suppose D. you would suppose

　　3. I have not found my book yet; in fact, I am not sure______ I could have done with it.(92.1/55)

　　A. whether B. why C. what D. when

　　4. ______ men have learned much from the behavior of animals is barely new.(93.1/67)

　　A. That B. Those C. What D. Whether

　　5.The situation today is obviously quite different from ______ it was only 50 years ago.(94.6/59)

　　A. such B. which C. when D. what

　　. They are teachers and don’t realize______ to start and run a company.(95.1/70)

　　A. what it takes B. what takes it C. what they take D. what takes them

　　7. By success I don’t mean______ usually thought of when that word is used.(96.6/49)

　　A. what is B. that we C. as you D. all is

　　8. The mere fact______ most people believe nuclear war would be madness does not mean that it will not occur.(97.6/53)

　　A. what B. which C. that D. why

　　9. When I try to understand______ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.(98.1/60)

　　A. why it does B. what it does C. what it is D. why it is

　　10.Although Anne is happy with her success she wonders______ will happen to her private life.(00.1/50)

　　A. this B. it C. what D. that

　　11. There are signs______ restaurants are becoming more popular with families.(00.6/37)

　　A. that B. whose C. which D. in which

　　12.The basic features of the communication process are identified in one question: Who says______ through what channel to whom?(01.1/52)

　　A. what B. when C. how D. such

　　13.How is it ______ your roommate’s request and yours are identical?(02.6/50)

　　A. if B. so C. what D. that

　　14.They always give the vacant seats to _______ comes first.(03.1/51)

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

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