对于习惯性流产病人，下列护理措施正确的有()。

A．在下次妊娠前尽可能查明流产原因

B．确诊妊娠后应绝对卧床休息

C．黄体功能不足者，给黄体酮治疗

D．治疗期最好超过以往发生流产的妊娠月份

E．对宫颈内口松弛者最好行子宫内口缝扎术

用括号中所给词的适当形式填空。

1. Our classmates are very________(friend) to me.

2. The ______(leaf) on the tree begin to fall.

3. — How often go to the library?

    — ______(two)a week.

4. Please give my ________(greet) and best wishes to her.

5. — What's the weather like today?

    — It's _______(sun).