题目内容

计算机网络按拓扑结构分，可以分为（）网络、（）网络、（）网络、（）网络、和（）网络。

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接入网是局域网的一种。

A. 对
B. 错

接入网又叫本地接入网，是网络进入用户前的一种接入技术。

A. 对
B. 错

It was in when he was already in _ that he went to Yan'an.

A. the 1940s, the 40s
B. the 1940s, his forties
C. 1940's, his forties
D. the 1940's, his 40s

1708 读作 seventeen o eight 正确吗？

A. 对
B. 错