题目列表(包括答案和解析)

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41. The government has taken some measures to solve the shortage of electricity, but it may be some time_____ we have enough power.

A. since       B. after              C. unless          D. before

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40. Over 180 students from China's quake-hit Sichuan province joined _____ opening ceremony for a summer camp in Tuapse, _____ city on Russia's Black Sea coast.

    A. the; the              B. an; the                   C. an; a              D. the; a

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39. In order to search for the escaped murderer,the police decided to question _____ came along this road.

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

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38. Last term our math teacher set such a difficult problem _____ none of us worked out.

    A. which             B. that                   C. as                 D. what

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37. They seldom, _____, pay for software on their computer. Yes, this means they use lots of pirated software.  

    A. if some          B. if ever                C. if any            D. if never

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36. At the sight of the policeman, _____ from behind the door.      A. did the boy rush out                               B. the boy was rushing out      C. out rushed the boy                                D. rushing out was the boy

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35. What a pity. Considering his ability and experience, he _____ better.

A. need have done                           B. must have done

C. can have done                            D. might have done

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34. A scientist who speaks and writes English is in closer touch with the scientists in other countries than_____ who doesn’t.

     A. one                  B. those                     C. /                     D. that

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33. -Do you know_____ Miss Green changed her mind to take part in the movement?

-After she listened to the speech by Mr. Brown.

     A. when was it                                          B. when was that

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     C. when was it that                                     D. when it was that

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32. Oh, it’s so cold in here. Somebody_____ the window, please.

     A. closes                B. close                     C. shall close        D. will close

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