末梢血中的淋巴细胞辐射敏感性高，照射多长时间后即可观察到淋巴

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问题单项选择题 A1型题

末梢血中的淋巴细胞辐射敏感性高，照射多长时间后即可观察到淋巴细胞的减少（）。

A.24小时

B.1～2周

C.15分钟

D.6小时

E.12小时

答案

参考答案：C

补全对话，情景问答

读一读，补全对话。

A: Look, this is my school.

B: Great! Is this the library?

A: Yes, it is.

A: Is that ____________________________?

B: No, it isn't. It's the music room. The art room is on the first floor.

A: Is that ____________________________?

B: No, we don't have a TV room.

A: Is that ____________________________?

B: Yes, it is. We have lunch at school.

选择题

下列属于人体内环境组成部分的是

①血浆、组织液和淋巴 ②血红蛋白、O₂和葡萄糖 ③葡萄糖、CO₂和胰岛素 ④激素、递质小泡和氨基酸[ ]

A．①③

B．③④

C．①②

D．②④