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问题 选择题

Look! The students are taking ________ of what the teacher said in class. [ ]

A. books    

B. ideas      

C. notes    

D. photos

答案

答案：C

单项选择题

A Bluetooth device can be either a master or a slave and any of the devices within a (1) can be the master. There is only one master and there can be up to (2) active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to (3) parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to (4) mode before it can become active. Within a network, all (5) communications are prohibited.

5（）

A．master-to-master

B．master-to-slave

C．slave-to-slave

D．slave-to-master
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多项选择题

肾气的功能，主要有（）。

A.推动和调节人体的生长发育和生殖

B.推动和调节全身津液的代谢

C.推动和调节全身脏腑的气化

D.推动和调节全身血液的运行
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