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    When it air pollution, Beijing faces the three “C s-----cars.coal and construction.which lead to Beijing's thick air pollution. A. refers to B. comes to C. happens to D. speaks to 【查看更多】

     

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    When it______ air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.

    A. refers to                B. comes to               C. happens to           D. speaks to

     

    查看答案和解析>>

    When it______ air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.

    A. refers to            B. comes to           C. happens to         D. speaks to

    查看答案和解析>>

    When it______ air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.

    A. refers to            B. comes to           C. happens to         D. speaks to

    查看答案和解析>>

    When it______air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.

           A. refers to        B. comes to         C. happens to        D. speaks to

    查看答案和解析>>

    When it______ air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.

    A. refers to            B. comes to           C. happens to         D. speaks to

    查看答案和解析>>


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