法莫替丁为药品的（）
A.INN名
B.通用名
C.商品名
D.曾用名
E.化学名
参考答案：B
------ What happened to you yesterday evening? Why didn’t you finish your work?
------____ the lights off, we could not continue our work. As a result, we had to leave.
A．Until
B．Because
C．With
D．As
撑杆埋深应在（）mm以上。
A.200
B.300
C.400
D.500
