以下选项中，属于IEEE802参考模型分层的有_________。 A．物理层 B．

根据下列句子所给单词的汉语提示，写出个单词或词组的正确形式（每空不限词数）。

1. He had to retire earlier ________ (由于) his bad health.

2. Not many students are ________ (利用) the chemistry lab.

3. When the man saw the car accident on the highway, he stopped ________ (为了) offer help.

4. She has stayed in Japan for ten years, and she is _______ (流利的) in Japanese.

5. Although Tim and Mike come from _______ (完全地) different backgrounds, they became close friends.

6. Our teacher _______ (坚持) that we leave at once.

7. He gave up the job, ________ (决心) to stay in the village.

8. As far as I am _______ (担心), I can't agree with what you have said.

9. She suffered from the loss of her pupil's respect, which _______ (使心烦) her.

10. A friend of mine is ill and I hope that she will _______ (痊愈) soon.

有机磷中毒病人治愈出院时，护士对其进行健康教育，下列哪项不正确？（）

A.讲解防护知识

B.健全农药保管制度

C.出院后2～3天即可恢复上班

D.严格执行安全操作规程

E.防止农药泄漏，注意设备维修

失血性休克患者血压低，中心静脉压高，提示（）

A.血容量严重不足

B.严重酸中毒

C.容量血管过度收缩

D.血容量不足

E.血容量相对过多

二母宁嗽丸的作用有（）

A.咳嗽痰黄

B.胸闷气促

C.咽喉疼痛

D.阴虚劳咳

出国游核销期限为出境游团队入境后（）个工作日。

A.7

B.10

C.15

D.20