人类活动使大气严重污染的结果有：______的“温室效应”、______和——。 A

高温下，某反应达到平衡，平衡常数。恒容时，温度升高，K值增大。下列说法不正确的是 [ ]

A．该反应的△H>0

B．恒温下，增大压强，K值不变

C．升高温度，H₂转化率减小

D．该反应化学方程式为CO₂+H₂CO+H₂O

用括号中所给词的适当形式填空

1. He spent two hours         _(do) his homework.

2. He is a famous____  _(piano).

3.  When were you______(birth)?

4.  How many______ (play) are there in a football team?

5. The movie______ (call) Harry Potter is my favorite.

6.  Can you hear a girl ______ (cry)  in the next room?

7.  Who was the first one______  ( reach)  the top of the mountain?

8. Deng Yaping ______(join) the national table tennis team in 1988.

9. We all stopped______ (talk) when our English teacher came in.

10. She__    __ (start)  ice skating when she was six.

It rained______yesterday. And it，s very cool today.

A．friendly

B．strongly

C．heavily

D．brightly

同化激素类药物长期使用时注意事项

A．孕妇及前列腺癌病人禁用

B．男性患者女性化现象

C．胆汁郁积性黄疸

D．肾炎、心力衰竭和肝功能不良患者慎用

E．水钠潴留

烧伤患者目前常用的营养检测方法有（）.

A.体重

B.减差法脂肪测定

C.磁共振波谱测定法

D.氮平衡

E.免疫球蛋白