21世纪是“水的世纪”，人人都应节约用水，下列不属家庭节水的是（ ） A．生活用

单词拼写。

1. Whatever you do, don't m_____ this exhibition. (错过)

2. They're going to a_____ on CCTV next month. (出现)

3. I told her to come home by 10 o' clock, but she i_____ me. (忽略)

4. Many top leaders are c_____ about the shortage of water. (关心, 担心)

5. The children have been indoors all day. Let them play o_____ for a while. (户外地)

6. The man saved the girl from the river and her mother was very g_____. 感激的)

7. She found it difficult to s_____ in the hiding place. (定居)

8. Although many Americans move a lot, they still r_____ each other's dialects (方言). (辨认)

9. It is well known that news must be b_____ on facts. (以….. 为根据)

10. Both English and French are o_____ languages in Canada. (官方的)

11. I am very good at _____ (交流) with people.

12. My teacher _____ (建议) us to read English every morning.

13. My n_____ language is Chinese.

14. Every person is e_____ according to the law.

15. Don't waste time. We should make good u_____ of our time.

微热再生干燥器的工作原理是（）。

A、变温吸附

B、变压吸附

C、A＋B

把铝和氧化亚铁配成铝热剂，分为两等份，一份在高温下恰好完全反应，再与盐酸反应。另一份直接放入足量的烧碱溶液中充分反应，前后两种情况下生成的气体的质量比为（    ）

A．1︰1

B．3︰2

C．2︰3

D．28︰9

患者咳喘十余载，时轻时重，现咳喘气粗，胸满烦躁，痰黄难咯，身热微恶寒，咽干口渴，舌红苔黄腻，脉滑数．治疗宜用（）

A.越婢加半夏汤

B.桂枝甘草龙骨牡蛎汤

C.参附汤

D.真武汤

E.苓桂术甘汤

人的大拇指能否向手背方向弯曲是由特定的遗传物质决定的，这个遗传物质是（）

A.所有的染色体

B.某一个基因

C.一个细胞核

D.全部的DNA