传播的要素包括（）
A.传播者
B.受传者
C.信息与讯息
D.传播媒介
E.传播效果
参考答案：A, B, C, D, E
_____ was most shocking about the tornadoes in America was that they threatened six states
and killed more than 100 persons. [ ]
A. That
B. Which
C. Why
D. What
黄连解毒汤的功用是（）
A.养阴透热
B.清燥润肺
C.泻火解毒
D.养阴清肺
E.增液润燥
