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问题 单项选择题

慢性支气管炎有小气道阻塞时，最敏感的肺功能检查指标是

A．1秒用力呼气量占用力肺活量的比值减少

B．残气容积明显增加

C．呼吸道阻力增加

D．闭合容量减少

E．频率依赖性肺顺应性降低

答案

参考答案：A

填空题

根据句意完成下列单词。

1. I tried to ______ (避免) meeting him because he always bored me.

2. He finished the work ______ (提前) of time.

3. The thief ______ (威胁) to kill her if she didn't obey.

4. Do you know the actress on the ______ (舞台)?

5. We've made great ______ (成就) since we carried out the policy of opening to the outside world.

6. The surface of the earth are divided into several ______ (区域) which are called plates.

7. Children like ______ (卡通画) very much.

8. Poets usually have ______ (想象力).

9. Who do you think is the ______ (设计者) of the building?

10. The woman is carrying a ______ (手提包).

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单项选择题

4岁患儿，发热、头痛、呕吐3天，抽搐1次。入院查体：体温39℃，面色苍白，血常规示：白细胞／L，中性粒细胞占90％。为明确诊断，最为必要的检查是（　　）

A．血常规

B．血培养

C．头颅CT

D．脑脊液检查

E．脑电图
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