关于羊水，错误的是 A．妊娠中期以后主要来自胎儿尿液 B．妊娠

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问题单项选择题

关于羊水，错误的是

A．妊娠中期以后主要来自胎儿尿液
B．妊娠早期的羊水是母血清经胎膜进入羊膜腔的透析液
C．母体与羊水的交换，主要通过胎盘，每小时约3600ml
D．羊水的吸收50%由羊膜来完成
E．妊娠足月时羊水比重约1.007～1.025

答案

参考答案：C

填空题

词形转换：用括号内所给词的正确形式填空。

1. I am (real) happy to tell you about my future plans.

2. I think (dive) is the most dangerous activity.

3. Parrot has quite a (music) voice.

4. He sits in the front of the class because of his poor (eye).

5. Millie is clever, and she can always answer the questions (correct).

6. Millie has big (smile) eyes.

7. Yesterday he (give) his seat to an old woman on the bus.

8. What about (go) shopping?

9. The heavy rain stopped us from _______ (go) on a trip.

10. He jumped into the water when he heard a boy (call) for help.

单项选择题

公司董事、监事、高级管理人员应当向公司申报所持有的本公司的股份及其变动情况，在任职期间每年转让的股份不得超过其所持有本公司股份总数的（）。

A.15%

B.20%

C.25%

D.50%