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
We can't use it to tie the goods because it ________ be broken at the weakest position.
#11075
A
shall
B
may
C
can
D
would
--- How come you know the accident so well?--- Well, because I was on the __________.
#13224
A
sight
B
view
C
scene
D
place
Listening to music is a good way to help us get some ______ from work pressure.
#13986
A
safety
B
pleasure
C
relief
D
mercy
You had better ______some time every day for sports so that you can keep yourself energetic.
#12048
A
set aside
B
take up
C
put away
D
give out
The kitchen is often the busiest room in a household, so it’s important to make sure it well.
#14301
A
smoothes
B
functions
C
pays
D
measures
