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.[注釋]emission散發(fā)物.發(fā)射.exposure(to)暴露于:They believe that their health problems are the result of years of exposure to fine cotton dust.(他們認(rèn)為.他們的健康問題是多年來暴露于棉花粉塵所致.)expansion膨脹.擴(kuò)大,Heat causes the expansion of gas.本題譯文:正如汽車的生產(chǎn)和使用越來越多一樣.汽車的排氣管的散發(fā)物內(nèi)所含的有毒氣體量也在增加. 【查看更多】

 

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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

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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

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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

 

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