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1.已知复数的值是                                    (   )

    A.2                             B.-2            

    C.2i                            D.-2i

  2.已知集合,则右图中阴影部分表示的集合是(   )

    A.                        B.

    C.              D.

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40. The manager ______ one of the hotel servants of stealing the money.

A. scolded     B. complained     C. accused     D. charged

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39. It won’t be any use ______ to borrow any more money.

A. you to try    B. of your trying    C. trying you    D. your trying

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37. ---He failed the exam again! What should I do, Miss Wang?     ---In my opinion, your son is _______ than stupid.   A. quite lazier     B. much lazier     C. more lazy     D. lazier rather 38. Many notices are placed in the park warning people to _______ the grass.   A. keep off      B. keep away     C. keep out      D. keep out of

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