公安工作具有（），需要党的领导去动员、组织和协调各方面的力量。 A.广泛的社会性 B

进步思想家魏源在《海国图志》一书中提出的思想是[ ]

A．“自强、求富”

B．“师夷长技以制夷”

C．“民主、科学”

D．“物竞天择，适者生存”

动词填空：

1. Let's _________ (go) to the Reading Club.

2. We cut some shapes __________ (make) the eyes and the sharp teeth.

3. He enjoys __________ (chat) with his friends after class.

4. Look! The boys ___________ (play) football on the playground.

5. She often goes to school without __________ (have) breakfast.

6. I will finish __________ (read) the book tomorrow.

7. Can you __________ (tell) me about your favourite festival, please?

8. _________ Alice _________ (have) classes on Sunday?

9. Thanks for __________ (tell) me about Halloween.

10. Do you want __________ (go) with us?

我国现行的主体性的车间空气中有害物质职业接触限值是（）

A.最高容许浓度

B.容许接触限值

C.时间加权平均容许浓度

D.阈限值

E.短时间接触容许浓度

卤钨灯和额定功率为100W及100W以上的白炽灯泡的吸顶灯、槽灯、嵌入式灯的引入线应采用瓷管、石棉、玻璃丝等非燃烧材料作隔热保护。( )