题目内容

China might benefit _______ this new system.

A. to
B. for
C. with
D. from

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His team is now working with researchers at Tongji University in China who are _______ tying Pipenet there.

A. interesting with
B. interesting in
C. interested with
D. interested in

Translate the underlined part in the sentence "Africa ignored fixed-line telephones and jumped straight to mobiles."

A. 安装电话线
B. 修理电话线路
C. 固定电话
D. 移动电话

机床的电气连接时，所有接线应（），不得松开。

A. 连接可靠
B. 长度适合
C. 整齐
D. 除锈

戴绝缘手套进行操作时，应将外衣袖口（）。

A. 卷上去
B. 装入绝缘手套中
C. 套在手套外面
D. 不处理