下列关于肺泡表面活性物质说法，错误的是A．它由Ⅱ型细胞合成、

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问题单项选择题

下列关于肺泡表面活性物质说法，错误的是

A．它由Ⅱ型细胞合成、贮存和释放

B．减少肺间质和肺泡内组织液生成

C．它是一种脂蛋白复合物

D．保持大小肺泡容积相对稳定

E．降低肺泡表面张力，降低肺顺应性

答案

参考答案：E

填空题

根据首字母提示补全短文。

This is Lin’s first long (1) t______ by train. His brother, Jin told him not to forget where he came

from. Lin (2) n______, unable to speak. He (3) h______ Jin in his arms. With (4) t______ in his eyes,

Jin pushed Lin away. Lin jumped onto the train and found a young man was sitting (5) i______ his seat.

The young man was (6) w______ jeans and a very smart jacket, and was smoking a (7) c______. The

young man would get (8) o______ the train at Hangzhou. At first, he didn’t agreed to (9) m______. But

with the help of a man (10) w______ glasses, Lin got back his seat in the end．

填空题

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