由于横道图比较法以()计划为基础,因而带有不可克服的局限性。
A、横道
B、网络
C、工程
D、工期
参考答案:A
She was forced to the center of the political stage ______ she suffered from nerves everyday. [ ]
A. which
B. where
C. that
D. when
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