问题
单项选择题
肺表面活性物质减少将导致
A．肺难于扩张
B．肺弹性阻力减小
C．肺顺应性增大
D．肺泡内液体表面张力降低
E．小肺泡内压小于大肺泡内压
答案
参考答案：A
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肺表面活性物质减少将导致
A．肺难于扩张
B．肺弹性阻力减小
C．肺顺应性增大
D．肺泡内液体表面张力降低
E．小肺泡内压小于大肺泡内压
参考答案：A
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| 1. They often have fun on ________ Day. 2. Fish is ________ favourite food and we also like beef and chicken. 3. Red makes the T-shirt look modern and it will go ________ with any other colour. 4. Mr. Li ________ enjoys working with young people. 5. It is ________ to sit there without doing anything. |