初产妇，24岁，妊娠37周，骨盆外测量：骶耻外径19cm，髂嵴间径27

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问题单项选择题

初产妇，24岁，妊娠37周，骨盆外测量：骶耻外径19cm，髂嵴间径27.5cm，坐骨结节间径6.5cm，此孕妇的骨盆应诊断为（）。

A.均小骨盆

B.单纯扁平骨盆

C.漏斗型骨盆

D.男型骨盆

E.佝偻性骨盆

答案

参考答案：C

阅读理解

阅读图表，从每题所给的ABC三个选项中，选出最佳答案回答问题或完成句子。

1. What lime is shown on this clock?

A. Five to eight.

B. Five past eight.

C. Eleven past eight.

2. If you can't find your wallet, you should ______.

A. tell your parents

B. ask Jack about

C. ask Ms. Chang about it

3. If you want to work for Shaoyang TV-News, you can _______.

A. write a letter

B. make a call

C. send an e-mail

4. What docs this sign mean?

A. Please don't make any noise

B. This is NO.1

C. I'm thirsty

5. Look at the front wall please. ______ means that this way is for a disabled person to go through.

A B C

不定项选择

如图所示，一个物体在O点以初速度v开始做曲线运动，已知物体只受到沿x轴方向的恒力F作用，则物体速度大小变化情况是

A．不断增大

B．不断减小

C．先减小后增大

D．先增大后减小