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问题 单项选择题

试验结束时，试验人员应拆除自装的接地短路线，并对被试设备进行检查，恢复试验前的状态，经（）复查后，进行现场清理

A、工作许可人

B、监护人

C、试验负责人

答案

参考答案：C

填空题

动词填空。

1. I ______(babysit) my sister this evening.

2. Tom ______(visit) his cousins tomorrow afternoon.

3. You want to go to Canada for vacation. When ______you _____(go)?

4. Why not go _______(boat) on the river with me ?

5. We often _______(help) Granny Li ______(do) the housework.

6. China is a good place _______(go) sightseeing.

7. We plan _______(visit) Tibet next year.

8. How about _______(stay) at home this evening?

9. After I finished _______(go) shopping, I cooked at home.

10. He _______(take) a vacation in Hainan last winter.

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单项选择题

肺动脉瓣狭窄属于（）

A．病因诊断

B．病理解剖诊断

C．病理生理诊断

D．并发症诊断

E．伴发病诊断
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