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    7．The population of Africa is so rapidly as to cause concern of the whole world. A．expanding B．stretching C．extending D．spreading 解析:选A.考查动词辨析.expand不仅指尺寸的增加.还可指范围和体积的扩大. stretch一般指由曲变直.由短变长的伸展,extend指空间范围的扩大或长宽的向外延伸.也可指时间的延长,spread一般指向四面八方扩大或传播. 【查看更多】

     

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    The population of Africa is ________ so rapidly as to cause concern of the whole world.

    A. expanding         B. circulating         C. exporting        D. spreading

     

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    The population of Africa is________so rapidly as to cause concern of the whole world.

    A．expanding 　　　　　 B．stretching

    C．extending 　　　　　 D．spreading

     

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    The population of Africa is ________ so rapidly as to cause concern of the whole world.


    1. A.
      expanding
    2. B.
      circulating
    3. C.
      exporting
    4. D.
      spreading

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    The population of Africa is __________ so rapidly as to cause concern of the whole world.
    [     ]
    A. expanding  
    B. stretching
    C. extending  
    D. spreading

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    The population of Africa is________so rapidly as to cause concern of the whole world.
    [    ]
    A. expanding  
    B. stretching
    C. extending  
    D. spreading

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