依照《民用爆炸物品管理条例》的规定，非爆破员（）进行爆破作业。
A、一般不可以
B、特殊情况下可以
C、禁止
参考答案：C
—How about _____ hiking in the mountain.
—Good idea, but I have _____ to do.[ ]
A. going, important something
B. to go, something important
C. going, something important
D. goes, important something
脐带缠绕最常见的是（）
A.躯干
B.上肢
C.手与足
D.绕颈部
E.下肢
ng, something important