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问题 单项选择题

初产妇，40周妊娠规律宫缩18小时，查：宫口开大6cm，宫缩渐弱， 20"～30"/6’～7’，2小时后复查，宫口仍开大6cm，S-1，骨盆外测量正常范围，胎心率130～135次/min规律。

首选的处理措施是

A．催产素静脉点滴

B．立即行剖宫产术

C．肌注哌替啶

D．鼓励产妇进食、休息

E．等待其自然分娩

答案

参考答案：A

完形填空

A. Will you help me with it?

B. Do you read English every day?

C. Because I have a lot of trouble with my English.

D. How do you like English?

E. Let’s make progress together.

F. Ah, that’s it.

A: Why don’t you look happy, Rose?

B:   91   I can hardly pass the exam every time. I really don’t know what to do.

A: Don’t worry.  92  

B: No, I only read English before the exam.

A:   93   If you want to study English well, you must practice reading every day. May I know what you are going to do from now on?

B: I’d like to take your advice and try to practice reading English every day.   94   

A: All right, I’d like to. But in fact I also have some trouble with my English. Let’s help each other.   

B: OK.  95 

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选择题

图示的abcd为一矩形导线框，其平面与匀强磁场垂直，导线框沿竖直方向从图示位置开始下落，在dc边未出磁场前，则：线框中的感应电流的方向及线框所受的磁场作用力的方向分别是

[ ]

A．顺时针，向上

B．逆时针，向上

C．顺时针，向下

D．逆时针，向下

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