对传播信息最具有方便保存、检索、重复使用特点的媒介是（）.
A.广播
B.报纸
C.电视
D.报纸和广播电视
参考答案：B
A．+→
B．→+
C．+→
D．→+
Children who are always by their parents soon become selfish.
A. put away B. looked after C. given into D dealt with
+
→
→
+
+
→
→
+
