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问题 单项选择题

“发电设备可靠性信息管理系统”程序、事件编码、（），由电力可靠性管理中心组织编制，全国统一使用。

A、单位代码

B、系统管理

C、事件录入

D、事件原因

答案

参考答案：A

填空题

介词填空。

1. Tom, can you play basketball _____ me?

2. I have to go to the doctor _____ Saturday.

3. We will go to the movies _____ the evening.

4. Can you come to my party _____ Sunday afternoon?

5. How _____ going for a walk?

6. We have to study _____ a test.

7. Thanks _____ giving us a present.

8. Why don't you come over _____ China for a holiday?

9. Lucy was _____ duty yesterday, but she forgot to clean the classroom.

10. It's very nice _____ you to get me tickets _____ the World Cup.
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单项选择题

男，26岁。饱餐后剧烈活动时腹痛2h，持续性痛阵发性加剧，脐周伴腰背痛，呕吐频繁，吐后症状无缓解。腹肌紧张，脐固有压痛及反跳痛，肠鸣音亢进，有气过水声。

最可能的诊断是

A．胃扭转

B．急性出血坏死性肠炎

C．小肠扭转

D．肠系膜血管栓塞

E．肠套叠
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