题目内容

2. Education can occur in a local shop when travelling.

A. 对
B. 错

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3.Students at school usually use similar textbooks.

A. 对
B. 错

4. Only at school can you get new information and skills.

A. 对
B. 错

5.Education is always with us throughout our whole lives.

A. 对
B. 错

一个完整的视频监控系统应具有（）等功能。

A. 实时视频浏览、存储回放
B. 报警联动
C. 语音对讲与广播
D. 系统管理