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问题 单项选择题

患者舞某，牙痛引头，面颊发热，牙齿喜冷，牙宣出血，口气热臭，口干舌燥，舌红苔黄，脉滑数。治宜选用( )

A．凉膈散
B．龙胆泻肝汤
C．清胃散
D．黄连解毒汤
E．玉女煎

答案

参考答案：C

单项选择题

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
Spread spectrum simply means that data is sent in small pieces over a number of the (16) frequencies available for use at any time in the specified range. Devices using (17) spread spectrum(DSSS) communicate by (18) each byte of data into several parts and sending them concurrently on different (19) . DSSS uses a lot of the available (20) , about 22 megahertz(MHz).

A．continuous

B．high

C．low

D．discrete
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单项选择题

教员为学生执行任务制定计划时，首先应考虑到的因素是（）

A.学生的动机水平

B.学生的原有水平

C.练习时间的长短
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