According to scientists, our mental abilities begin to _______ from the age of 27 after reaching the highest level at 22．
#11888
A
decline
B
differ
C
fail
D
shrink
推荐题目
When the clock ________ 11, I was about to leave for the supermarket.
#13570
A
knocked
B
hit
C
beat
D
struck
I tried to finish my article that I _____ from my office as soon as I got home last night.
#12506
A
brought down
B
brought in
C
brought up
D
brought back
The population of Africa is __________ so rapidly as to cause great concern of the whole world.
#12316
A
expanding
B
stretching
C
extending
D
spreading
(2013·辽宁五校一模)The little child ________ go out alone at night, so he ________ walk in the dark that night.
#11322
A
doesn't dare to; dared not to
B
daren't to; didn't dare to
C
daren't; dared not
D
doesn't dare to; dare not