更多“20.A.can B.should C.have to D.need ”相关问题
  • 第1题:

    There are four questions,which is not from the discourse teaching?

    A.What does the author imply?
    B.Should we say“a apple”or“an apple”?
    C.What can be inferred from the text?
    D.What's the writer's main opinion?

    答案:B
    解析:
    考查语篇教学

    B选项,是关于冠词的正确用法,符合题意选择不正确选项,故此题的正确选项为B。

    C和D选项都是和语篇相关的,故排除。

    故此题的正确选项为B。

  • 第2题:

    We consider it important that everycitizen ______ good manners.

    A.has
    B.should be
    C.have
    D.is

    答案:C
    解析:
    考查虚拟语气。it为形式宾语,真正的宾语为后面的that从句。该结构为:主语+think/consider/make/find…+it+形容词+that从句。当形容词为surprising,strange,natural,necessary,important等时,that从句中谓语常用虚拟语气,should+动词原形,should可省略。句意为“我们认为每个市民有礼貌是重要的”。“have good manners”表示“有礼貌”,故选C。

  • 第3题:


    A.should not be the sole representation of girlhood
    B.should not be associated with girls’innocence
    C.cannot explain girls’lack of imagination
    D.cannot influence girls’lives and interests

    答案:A
    解析:

  • 第4题:

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    If your computer_______experience any problems within the warranty period,you cantake it to an authorized repair center free of charge.

    A.Will
    B.Should
    C.had
    D.would

    答案:B
    解析:
    分析句子结构,如果察觉此句是对将来不大可能发生的情况进行假设的“if+主语+should+动词原形…….主语+can+动词原形……”虚拟语气,就可以容易地解答。

  • 第5题:

    There is a real possibility that these animals could be frightened,( )a sudden loud noise.

    A.being there
    B.should there be
    C.there was
    D.there having been

    答案:B
    解析:
    考查虚拟语气。句中that引导的从句these animals could be frightened,a sudden loud noise是possibility的同位语,其中包括一个表示与将来事实相反的虚拟语气句,条件从句中没有if,应用部分倒装,将助动词should移至句首。故本题选B。句意:万一突然有巨响,这些动物 就会受到惊吓,这确实 是可能的。

  • 第6题:


    According to the passage,some scientists believe that a dose of one rem of radiation continued over a period of generations would( )

    A.raise the strontium 90 levels in the body but otherwise have little effect
    B.relieve the acute suffering of those afficted with arthritis of the spine without side effects
    C.have the effect of increasing by 1 percent the cases of serious genetic defects
    D.cause an additional 1 ,000 per million cases of cancer of the bone marrow or lymphatic system

    答案:C
    解析: