汗证分为外感风寒而无汗、慢性结核病盗汗、怔忡而汗、多汗伴腰膝酸冷。多汗伴腰膝酸冷辨证

下列反应中，水既不做氧化剂又不做还原剂的是

A．二氧化氮与水

B．炽热的焦炭与水

C．钠与水反应

D．氯气与水

动词填空。

1. The man _____ (call) Frank is American.

2. It's my first time _____  (watch) the lion dance and I'm very happy.

3. She goes to bed after she finishes _____  (wash) clothes.

4. It's late. Why not ____  (go) to school quickly?

5. —Who often _____  (buy) you new clothes?

    —My in other does.

6. _____  (not dress)up as a ghost. I don't like it.

7. They go to the park together to spend some time _____ (fish).

8. You are really kind to me. Thank you for _____ (be) my friend.

9. My uncle with my grandparents _____ (1ive) in Nanjing.

10. We all enjoy _____  (cut) out eyes on pumpkins.

Windows2000支持下列哪些磁盘类型（）

A.简单卷

B.跨区卷

C.带区卷

D.镜像卷

往一段柱塞泵加Na₂CO₃的目的是（），以减少对设备的腐蚀。