危险货物是指具有燃烧、爆炸（）等性质，在运输、装卸、贮存过程中，容易造成人身伤亡、财产损毁以及对环境造成危害的物品。

A.腐蚀

B.毒害

C.放射

D.风化

As for the influence of Internet，nowhere（）the results more clearly than in the US.

A.we have seen

B.we had seen

C.seen we have

D.have we seen