题目内容

All the connectors you use to connect electronic devices can be seen.

A. 对
B. 错

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A Bluetooth connection still uses unsightly cables.

A. 对
B. 错

A Bluetooth connection has a lot of advantages.

A. 对
B. 错

Bluetooth consumes less power.

A. 对
B. 错

Bluetooth can connect your car’s GPS system, your cell phone, your computer and etc., without any cables.

A. 对
B. 错