According to the passage, the critical period for learning a language is ______.
A. at the age of ten months
B. between the ages of about ten months and ten years
C. at the age of ten years
D. from some time after birth to six or seven years
查看答案
检查胆囊功能的方法是()
A. B超
B. CT
C. 经内镜逆行性胰胆管造影
D. 口服胆囊造影
E. 经皮肝穿刺胆道造影
These foreign tourists tried to ______ a hard bargain with the local peddler.
A. shape
B. force
C. produce
D. drive
According to the passage, giving a party in Britain may fill the neighbours with ______.
A. happiness
B. anger
C. thankfulness
D. envy
______ emergency when you are in a lift, you can make a phone call for help.
A. In the event of
B. In the course of
C. In accordance with
D. In association with