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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

查看答案和解析>>


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