问题
单项选择题
诊断慢性阻塞性肺疾病的必备条件是()
A.气短和呼吸困难
B.一氧化碳弥散量下降
C.不完全可逆的气流受限
D.一氧化碳弥散量与肺泡通气量比值下降
E.肺活量的降低
答案
参考答案:C
诊断慢性阻塞性肺疾病的必备条件是()
A.气短和呼吸困难
B.一氧化碳弥散量下降
C.不完全可逆的气流受限
D.一氧化碳弥散量与肺泡通气量比值下降
E.肺活量的降低
参考答案:C
根据对话内容, 从对话后的选项中选出能填入空白处的最佳选项。 | |
A: Hello! 4-0-6-double 8-1-5 B: Hello! 1. A: Sorry, she isn't in. 2. B: It's Mike, Ann's classmate. 3. A: Yes, Ann's mother speaking. 4. B: Yes. 5. I have something important to tell her. She has my telephone number. A: OK. I'll tell her about it. Anything else? B: No. Thanks a lot. A: It's a pleasure.
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