风热犯肺和痰热郁肺证咯痰的特点为A．痰出咳平 B．易咯出 C．

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问题单项选择题

风热犯肺和痰热郁肺证咯痰的特点为

A．痰出咳平

B．易咯出

C．咳时面赤

D．喉中有痰声

E．咯痰不爽

答案

参考答案：E

补全对话，情景问答

Read and match.
( )1. Where is the pen? ( )2. Look! What's that? ( )3. Who's that? ( )4. Where is Miss Wang? ( )5. How are you? ( )6. Who's she?	A. She is my mother B. It's in the desk. C. It's a kite. D. Fine, thank you. E. That's Bob. F. She's in the office.

单项选择题

当磁极对为2对时，对四极三相异步电动机而言，其旋转磁场的转速等于（）r/min。

A.3000

B.1500

C.1000

D.750