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
The suggestion they all objected to to be effective finally.
#13939
A
proving
B
prove
C
had proved
D
proved
.She is _______ mother, no woman could take better care of her children.
#11979
A
model
B
modal
C
medal
D
modest
A computer costs about ______ of a typewriter.
#12469
A
the nine-time price
B
nine times price
C
the nine times price
D
nine times the price
With the development of modern agriculture and industry, ____ waste are created every day.
#12775
A
a large quantity of
B
large quantities of
C
a large number of
D
large numbers of
You can change your job, you can move your house, but friendship is meant life.
#11225
A
of
B
on
C
to
D
for