Besides the new laws, what else is important to deal with pollution().

A.New regulations.

B.Joint efforts of all governments.

C.Social consciousness.

下列哪种行为有传染艾滋病的危险（）

A.共用剃须刀

B.共用毛巾、马桶

C.共用茶杯和餐具

D.蚊虫叮咬

E.与艾滋病病人同一泳池游泳