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Low compression in a diesel engine could be caused byA.worn or broken cylinder liner sealing ringsB.high cooling water temperatureC.worn or broken piston ringsD.low fuel oil pressure

题目

Low compression in a diesel engine could be caused by

A.worn or broken cylinder liner sealing rings

B.high cooling water temperature

C.worn or broken piston rings

D.low fuel oil pressure


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  • 第1题:

    Liner(短语翻译)


    参考答案:班轮

  • 第2题:

    The love of money is the root of all evil.

    A:result
    B:end
    C:cause
    D:force

    答案:C
    解析:
    本句意思:爱钱是罪恶的根源。root意为“根源”,与cause(原因)意思相近。result结 果; end终止;force力量。

  • 第3题:

    I__________have been there,but I__________not find the time.

    A.should;would
    B.should;could
    C.might;could
    D.could;could

    答案:B
    解析:
    考查情态动词的用法。句意为:“我本应该去那里,但我没时间。”should have done表示“过去本应做的事而实际上并没有做”,常含有责备、遗憾的语气。

  • 第4题:

    We must get to the root of the problem.

    A. approach B. heart C. cause D. solution

    答案:A
    解析:

  • 第5题:


    A. discarded
    B. abandoned
    C. reserved
    D. broken

    答案:C
    解析:

  • 第6题:

    类、对象的定义及类的成员函数、构造函数建立问题 建立类cylinder,cylinder的构造函数被传递了两个double值,分别表示圆柱体的半径和高度。用类cylinder计算圆柱体的体积,并存储在一个double变量中。在类cylinder中包含一个成员函数vol,用来显示每个cylinder对象的体积。


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