Corruption is _______ problem in countries across the world, with developing countries often believed to be more serious, although there is no evidence to suggest this is _______case.
#11233
A
a; the
B
the; a
C
不填; the
D
a; a
推荐题目
He will come to understand your efforts sooner or later. It’s just a ________of time.
#13948
A
criterion
B
patent
C
variety
D
matter
(2013·湖北，22)Carbon dioxide, which makes a________between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
#11490
A
difference
B
comparison
C
connection
D
barrier
At today’s meeting we are to discuss and decide on the most effective ___________ to the study of mathematics.
#12319
A
approaches
B
means
C
methods
D
ways
The college entrance exam is ______ important to the student, and it’s also challenging.
#12698
A
no more than
B
no less than
C
more than
D
not more than
Readers are required to________the rules of the library and mind their manners.
#13106
A
review
B
confirm
C
observe
D
Manage