The Sanlu Milk Powder event is a clear indication that food safety is a big problem; nobody can __ _ all foods are secure to us, but we are sure that the situation is turning for the better.
#12974
A
acknowledge
B
guarantee
C
identity
D
clarify
推荐题目
A qualified doctor has to constantly update his knowledge in order to maintain his professional _____.
#12050
A
conscience
B
competence
C
conservation
D
convenience
He will come to understand your efforts sooner or later. It’s just a ________of time.
#13948
A
criterion
B
patent
C
variety
D
matter
The American’s long-time painful work finally , for he broke the Guinness World Record for Hula-hoop Spinning(转呼啦圈).
#13170
A
paid back
B
fell down
C
paid off
D
fell out
The temperature on the inside of the car can be adjusted to suit the driver’s__________ in winter and summer.
#14233
A
pleasure
B
preference
C
measurement
D
selection