去年泉州市总用电量约为21700000000千瓦时，则用科学记数法表示约为（）千

根据句意和首字母完成单词。

1. I think you'd better take your father's a_____.

2. We often take four c_____ in the morning from Monday to Friday.

3. Last Sunday he gave me a pen as a g_____ for my birthday.

4. We often go to the a _____. There are sharks and seals in it.

5. Tina bought a s_____ in the zoo.

6. Toby won a gold prize in the c_____.

7. You should play some o_____ sports in the morning because the air at the moment is clean.

8. —Did you get Wan Fei's a_____.

    —Yes, I did. She wrote her name on the cover of my new notebook.

9. It is raining. You had better take an u_____ with you.

10. I want to be a teacher in the f_____.

新修订的《民事诉讼法》第五十五条规定：对污染环境、侵害众多消费者合法权益等损害社会公共利益的行为，法律规定的机关和有关组织可以向人民法院提起诉讼。这一规定

A．确立了法律的权威和尊严

B．体现了国家尊重和保障 * *

C．说明民主与专政是辩证统一的

D．能够杜绝损害社会公共利益的行为

从溴水中提取溴，下列方法中最适宜的是（　　）

A．蒸馏

B．过滤

C．萃取

D．结晶

形态指标皮褶厚度的意义

A．评价营养状况
B．婴幼儿头部发育变化
C．青春期体形的变化特征
D．反映形态和呼吸功能发育
E．表示躯干发育

受聘人员有下列哪种情形之一的，聘用单位可以随时单方面解除聘用合同（）。

A.连续旷工超过15个工作日或者1年内累计旷工超过30个工作日的

B.未经聘用单位同意，擅自出国（境）或者出国（境）逾期不归的

C.违反工作规定或者操作规程，发生责任事故，或者失职、渎职，造成严重后果的

D.严重扰乱工作秩序，致使聘用单位或其他单位工作不能正常进行的