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问题 单项选择题

预防输卵管结扎术时并发症，下列哪项不正确（）

A.头低臀高，使肠管移向上腹部

B.钳夹腹膜组织不宜多

C.切开腹膜前应交替钳夹、放松，以使夹起的肠管滑下

D.钳夹输卵管必须用无齿的卵圆钳

E.卵圆前提管时要扣紧钳口，不能虚夹

答案

参考答案：E

填空题

用所给词的适当形式填空。

1. This dog is very _____(love) and I like it very much.

2. Who does _____(good) in English, John or Mike?

3. I hope to spend two hours _____(play) softball with him.

4. Students can have______ (drive) lessons in American schools .

5. At the_____ (begin) of the trip, most of us felt bored.

6. My mother always cooks _____(taste) meals on Sunday.

7. It rained heavily yesterday, so my father          (drive) me to school.

8. The girls finished their work all by_____(them).

9. Yesterday we had a good time _____(chat)with each other.

10. I plan     _    ( go ) to Beijing for summer holiday next year .
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选择题

清朝推行闭关政策，以下正确的是

①限制外商来华贸易 ②禁止国人小海贸易

A．①正确②不正确

B．①不正确②正确

C．①②均正确

D．①②均不正确
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