Unemployment arises partly from overpopulation and if fines can’t keep the rich from having more than one child, we should say that the regulation is not ________. 
#18044
A
efficient
B
evident
C
economic
D
effective
推荐题目
___ is known to all, China will be an _____ and powerful country in 20 or 30 years’time.
#18495
A
That; advancing
B
This; advanced
C
As; advanced
D
It; advancing
As we know, no matter how        a man is, if he doesn’t learn, he knows nothing.
#18121
A
intelligent
B
enthusiastic
C
relaxed
D
disappointed
How beautifully she sings! I have never heard___. 
#20761
A
the better voice
B
a good voice
C
the best voice
D
a better voice