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.
#12996
A
astentimesfast
B
tentimessofast
C
tentimesasfast
D
tentimesfaster
推荐题目
It will take _____ time to finish the project.
#14537
A
one and a half months’
B
a month and a half
C
one and a half month’s
D
a month and half’s
We _____ his idea for a music club, and decided to have an art club _____.
#13440
A
accepted; instead of
B
disagreed; instead
C
rejected; instead
D
agreed; instead of