不会产生冲突的网络拓扑结构是()
A、总线形结构
B、环形结构
C、防范内部网络攻击
D、采用集线器连接的星形结构
参考答案:C
用所给单词的适当形式填空
1. _______(fortune) ,we got home before it started to rain.
2. When asked who the murderer was,the man_____ (hesitation) for a while and told the police
that it was John.
3. I think you must be _____ (mistake)me for someone else.
4. The advertisements were simple, but remarkably ____(effect).
5. I have a ____ (horror)feeling that we're going to miss the plane.
中国执业药师协会每年()以前接受面向全国的执业药师继续教育选修内容的申请,组织专家进行遴选、确认。
A.8月底
B.9月底
C.10月底
D.11月底