收到数据报的结点如果是路由结点，相应的操作是( )。A．将数

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问题单项选择题

收到数据报的结点如果是路由结点，相应的操作是( )。

A．将数据报重新再分组

B．重新对数据报进行封装

C．为每个分组做出路由选择

D．不作任何处理

答案

参考答案：C

解析：[分析] 在数据报传输的过程中，如果到达路由结点，那么该路由器为该分组做路径选择，使其一步一步向目标网络传输。

选择题

In recent years travel companies have succeeded in selling us the idea that the further we go, ________.[ ]

A. our holiday will be better

B. our holiday will be the better

C. the better our holiday will be

D. the better our holiday be

选择题

— May I watch TV this Thursday? There's a live football match.

— _____. You may only watch TV at the weekends. [ ]

A. Yes, you may

B. No, you mustn't

C. Yes, you can

D. No, you needn't