会分散和冲淡受众对重大问题注意力的传播内容是（）.
A.新闻性信息
B.娱乐性信息
C.消息性信息
D.维持性信息
参考答案：B
_____ that he might be hit by other cars, Peter put a card on the back of his car reading
"Caution-Newly Licensed".[ ]
A. Concerned
B. Concerning
C. Having concerned
D. Being concerned
岩石的饱水指标与岩石的抗冻性有何相关性？
