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

A．a(chǎn)s ten times fast          B．ten times so fast   C．ten times as fast      D．ten times faster

9、C

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科目：高中英語 來源： 題型：單選題

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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科目：高中英語 來源： 題型：

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

查看答案和解析>>

科目：高中英語 來源： 題型：

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

A．a(chǎn)s ten times fast          B．ten times so fast   C．ten times as fast      D．ten times faster

查看答案和解析>>

科目：高中英語 來源：必修一導(dǎo)練英語外研版 外研版 題型：016

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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