张力性气胸急救原则中首先应是（） A.剖胸探查 B.气管内插管辅助呼吸 C.输血、输

阅读短文，选择合适的选项。

A: Hi, Dad!

B: Hi, Jenny! Where is Lynn?

A: She is still at school. She cut her knee.

B: Oh, no! Poor Lynn! Is she okay?

A: Relax! Dad! Lynn is okay. It is only a little cut.

1. ____________ is still at school.

A. Lynn

B. Jenny

C. Danny

2. Lynn cut her ____________. 

A. finger

B. toe

C. knee

3. It is only a ____________ cut.

A. big

B. little

C. short

4. Lynn ____________ okay.

A. is

B. am

C. isn't

我国客运列车的列车管定压为（）kPa。

根据《公司法》的规定，下列关于公积金用途的说法中，正确的有（）

Ⅰ.弥补公司的亏损

Ⅱ.捐赠慈善事业

Ⅲ.转增公司资本

Ⅳ.扩大公司生产经营

A.Ⅰ、Ⅱ、Ⅲ

B.Ⅰ、Ⅱ、Ⅳ

C.Ⅰ、Ⅲ、Ⅳ

D.Ⅰ、Ⅱ、Ⅲ、Ⅳ

老年人的生理特点是什么？