煤气中毒的预防与急救（）A、家中生火取暖时门窗紧闭 B、平时要

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问题多项选择题

煤气中毒的预防与急救（）

A、家中生火取暖时门窗紧闭

B、平时要经常开窗换气

C、严重煤气中毒者应立即送医院救治

D、呼吸心跳停止时做人工呼吸和胸外按摩

答案

参考答案：B, C, D

阅读理解

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

判断题

吸烟虽会引发多种呼吸道疾病，但烟雾有益于肺活量的增加，可振奋精神。因此，吸烟适量对人体有益。 [ ]