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 farmers needed________agricultural technology. Therefore, ________skilled workers were sent there.
#14430
A
a great number of, a large amount of
B
large amounts of, the number of
C
a large amount of, a great number of
D
the amount of, a great number of
—What was the trouble with you yesterday?— When I practised running on the playground, my strength _____ and I fell onto the ground.
#13959
A
gave in
B
gave out
C
gave off
D
gave away
I sent a big bunch of flowers to the nurse as an ________ of thanks for her taking good care of my grandpa in the nursing home.
#11186
A
attitude
B
impression
C
appreciation
D
expression
______children whose parents had died in Wenchuan earthquake _____sent to live with families in other cities.
#14395
A
A great number of; was
B
A great number of ; were
C
The great number of; was
D
The great number of; were
No one likes to talk to him because he is difficult to _______.
#12856
A
get along
B
get along with
C
be got along
D
be got on with