以下哪个不是网络媒介的呈著特点().
A.高度的综合性
B.充分的交互性
C.方便性和快捷性
D.负载性
参考答案:D
设随机变量X~N(2,82),且P{2<x<4}=0.3,则P(x<0)= [ ]
A.0.8
B.0.2
C.0.5
D.0.4
用下面所给单词填空,注意形式。
latest, seem,check,score,weekly
1.The ___________ of the football game was 2 to 1.
2.Could you tell me who got the ____________ news.
3.It is a _______ TV programme.
4.You must go to the hospital to __________ your body.
5.It ___________ that she is very happy to see me.