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    Another type of pollution, thermal pollution , is caused by fuel-burning. A. calling B. called C. to call D. calls 【查看更多】

     

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    Another type of pollution, ______ thermal pollution (热污染), is caused by fuel-burning.

    A．calling

    B．called

    C．to call

    D．calls

     

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    Another type of pollution, ______ thermal pollution (热污染), is caused by fuel-burning.


    1. A.
      calling
    2. B.
      called
    3. C.
      to call
    4. D.
      calls

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    Another type of pollution,_____thermal pollution (热污染), is caused by fuel-burning.

    　 A. calling　　　 B. called　　　 C. to call　　　　 D. calls

     

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