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    As more and more cars are produced and used, so the from their exhaust-pipes contains an even larger volume of poisonous gas. A. exposure B. distribution C. expansion D. emission [答案]D. emission. [注释]emission散发物.发射.exposure(to)暴露于:They believe that their health problems are the result of years of exposure to fine cotton dust.(他们认为.他们的健康问题是多年来暴露于棉花粉尘所致.)expansion膨胀.扩大,Heat causes the expansion of gas.本题译文:正如汽车的生产和使用越来越多一样.汽车的排气管的散发物内所含的有毒气体量也在增加. 【查看更多】

     

    题目列表(包括答案和解析)

    As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

    　　A. exposure  B. distribution  C. expansion  D. emission

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    As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

    A. exposure  B. distribution  C. expansion  D. emission

    查看答案和解析>>

    As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

    A. exposure  B. distribution  C. expansion  D. emission

    查看答案和解析>>

    As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

    　　A. exposure  B. distribution  C. expansion  D. emission

    查看答案和解析>>

    As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

    A．exposure

    B．distribution

    C．expansion

    D．emission

     

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