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
Sorry, dear. It’s my _____to have you take tablets by ____.
#12739
A
mistake; error
B
fault; mistake
C
error; fault
D
fault; error
 The firemen _______ some nearby houses to stop the fire spreading.
#12560
A
cut down
B
turned down
C
put down
D
pulled down
Kate is only a nodding ______, not very familiar to me. 
#12847
A
acquaintance
B
partner
C
companion
D
coincidence