题目内容

Anetwork can involve permanent connectionsor temporary connections.

A. 对
B. 错

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A computer network is an asset.

A. 对
B. 错

On the most advanced level computer networks can carry video data for remote video conferencing.

A. 对
B. 错

The average speed of thebandwidthdepends always on the slowest link inachain between computers.

A. 对
B. 错

正手发急长球时，身体幅度要随着球的长短而变化。

A. 对
B. 错