Some people say that Mars should be protected as a wildlife reserve where we do everything possible to avoid pollution, on the _______ that life could exist on it.
#11905
A
assumption
B
arrangement
C
assistance
D
appointment
推荐题目
________students are playing on the playground. ______students there is at least over 100.
#14388
A
A number of; A number of
B
The number of; The number of
C
A number of; The number of
D
The number of; A number of
I tried hard to get some information about the new technology out of his mouth, but he remained_________．
#14423
A
quiet
B
secret
C
silent
D
calm
(2013·黄山二检)The red lanterns and colorful banners hanging everywhere ________ the festival atmosphere of the school.
#11727
A
adapt to
B
add to
C
refer to
D
relate to