According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.
#13700
A
differ
B
shrink
C
fail
D
decline
推荐题目
Don’t worry about the present situation in the world；_____of people prefer peace to war.
#14158
A
the most
B
the great part
C
the majority
D
the number
Population experts say that by 2050 the world will have about 2 billion people aged over 60,____as today.
#14137
A
as three times
B
three times as many
C
three times many
D
three times many as
The computer system suddenly while he was searching for information on the Internet.
#14283
A
broke down
B
broke out
C
broke up
D
broke in
You had better ______some time every day for sports so that you can keep yourself energetic.
#12048
A
set aside
B
take up
C
put away
D
give out
If it was not an accident, he must have done it ___________.
#13121
A
on purpose
B
for purpose
C
in time
D
with care