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更多“It just isn’t fair I was working as a waiter last month, my friends were lying on t ”相关问题
  • 第1题:

    A: Where()you last week? B: I()in Alabama.

    A、were/were

    B、was/is

    C、were/was

    D、was/were


    答案:C

  • 第2题:

    若 E[X(t1)] =mx(t1),E[ Y(t2)] =my(t2),E[X(t1) Y(t)2] =mx(t1)my(t2),则随机过程X(t)与Y(t)。

    A.不相关

    B.相关

    C.正交

    D.独立


    参考答案:A

  • 第3题:

    ____ I?know,?there?isn’t?such?a?word?in?English.

    A、As much as

    B、So far as

    C、As long as

    D、As soon as


    参考答案:B

  • 第4题:

    One pair of scissors ( )enough for the work.

    A、haven’t

    B、hasn’t

    C、isn’t

    D、aren’t


    参考答案:C

  • 第5题:

    There must be something wrong with my computer,()there?

    A. mustn't

    B. needn't

    C. isn't


    参考答案:C

  • 第6题:

    – Nice weather, isn't it? – ( ).

    A. I'm not sure

    B. You know it well

    C. Yes, it is

    D. Yes, it isn't


    正确答案:C