As a heavy smoker , he finds it hard to get rid of the habit, which has a bad _____on his health.
#5205
A
affect
B
effect
C
effort
D
affection
推荐题目
His latest research is at the   of genetic science. 
#5898
A
maiden voyage
B
cutting edge
C
focus group
D
daily basis
I wrote him a letter to show my _____ of his thoughtfulness.
#7294
A
achievement
B
agreement
C
attention
D
appreciation
___ is an engineer.
#7345
A
Li Pin’s and Li Hua’s father
B
Li Pin and Li Hua’s father
C
Li Pin’s and Li Hua father
D
Li pin and Li Hua father