What can be said about the experiments at Rocky Mountain Arsenal?A) They have no practical value in earthquake prevention.B) They may have practical value in earthquake prevention.C) They are certain to have practical value in earthquake prevention.D) The

题目

What can be said about the experiments at Rocky Mountain Arsenal?

A) They have no practical value in earthquake prevention.

B) They may have practical value in earthquake prevention.

C) They are certain to have practical value in earthquake prevention.

D) The article does not say anything about their practical value in earthquake prevention.


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    – What’s the temperature today –( ) .

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    参考答案:C

  • 第2题:

    —— ______they ______an English class?

    ——N0.they aren’t.

    A.Are;having

    B.Are;have

    C.D0;have

    D.Can;have


    正确答案:A
    通过答语N0,they aren’t来判断,问句应用现在进行时,答案为A。

  • 第3题:

    You look() What()you()?

    Atire;did;do

    Btiring;have;done

    Ctired;do;do

    Dtired;have;been doing


    D

  • 第4题:

    A:What’s the extent of the delay? B: ( )

    A.BeiJing

    B.apron

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    正确答案:C

  • 第5题:



    请在第_____处填上正确答案。

    A.couldn't
    B.must
    C.can't
    D.have

    答案:A
    解析:
    此句讲的是过去的事情,所以,用过去时,这里应用过去时的“能够”,couldn’t。以前,人们联络不方便,却都能准时赴约。

  • 第6题:

    语义网络的基本语义关系包括()。

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    B.分类关系(AKO)

    C.成员关系(A-Member-of)

    D.属性关系(Have或者Can)


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