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问题 单项选择题

用（）命令查询BC的状态

A.mtfrbcshowstatinfo

B.mtfrpvcshowstateinfo

C.mtbvcptpshowstate

D.mtfrportstoploop

答案

参考答案：A

选择题

下列物质能导电且为电解质的是（　　）

A．酒精

B．K2SO4晶体

C．熔化的NaCl

D．液态的HCl
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填空题

用所给词的适当形式填空。

1. Can you tell me your reason for_______ (leave) home in a hurry?

2. Phelps won eight _______ (golden) medals in swimming in the Beijing Olympics.

3. Who _______ (invent) basketball in 1891?

4. He is going away for at _______ (little) a week.

5. Doing morning exercises is a good way to keep _______ (health).
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