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    34．A NASA experimental jet, the X – 43A, flew at a world – record speed – 11, 260 kilometers an hour. This speed is as sound. A．as ten times fast B．ten times so fast C．ten times as fast D．ten times faster 【查看更多】

     

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    A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is ______ as that of sound.


    1. A.
      astentimesfast
    2. B.
      tentimessofast
    3. C.
      tentimesasfast
    4. D.
      tentimesfaster

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    A NASA experimental jet, the X-43A, flew at a world-record speed---11,260 kilometres an hour on November 17. This speed is ____ as that of sound.

    A. as ten times fast       B. ten times so fast

    C. ten times as fast       D. ten times faster

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    A NASA experimental jet, the X – 43A, flew at a world – record speed – 11, 260 kilometers an hour. This speed is         as sound.

    A．as ten times fast          B．ten times so fast   C．ten times as fast      D．ten times faster

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    A NASA experimental jet, the X-43A, flew at a world-record speed－11 260 kilometers an hour on November 17．This speed is ________ as sound．

    [　　]
    A．

    as ten times fast

    B．

    ten times so fast

    C．

    ten times as fast

    D．

    ten times faster

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