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【单选题】
下列关于肺泡表面活性物质的描述错误的是()
A.
维持肺泡的扩张状态
B.
降低肺泡表面张力
C.
稳定肺泡容积
D.
是一种糖蛋白
E.
由肺泡Ⅱ型细胞所分泌
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参考答案:
举一反三
【简答题】A.They thought that the movie was unsatisfactory. B.The man thought that the movie was excellent. C.They both enjoyed seeing the movie. D.The woman felt it was boring while the man didn't.
【简答题】A.The man's father didn't go. B.The man thought the was excellent. C.They thought the was unsatisfactory. D.The man's father thought the was satisfactory.
【简答题】A. She thought the man's lawn was too dry. B. She thought the man's laundry was done badly. C. She was sorry and surprised the man couldn't finish his laundry. D. She saw the man run out to exchange s...
【简答题】的生理作用主要是诱导芽的分化促进侧芽萌发生长、促进细胞分裂与扩大。
【单选题】条码表示物品的( )
A.
信息
B.
编码
C.
特定标志
D.
符号标志
【单选题】3月份,配送中心送货作业发送210车次,其中延误3次,则3月份送货延误率是()
A.
1/70
B.
1/210
C.
1/3
D.
3/31
【单选题】在数据库系统中,当数据的逻辑结构变动时,应用程序是否需要改动?
A.
需要
B.
不需要
C.
有时要,有时不要
D.
不知道
【单选题】.He is a selfish and dishonest man, and is ___ by others.
A.
thought badly of
B.
ill thought of
C.
highly thought
D.
bad thought of
【简答题】A.They thought that the was unsatisfactory. B.The man thought the was excellent. C.They enjoyed every minute of it. D.The man thought the was excellent but his brother didn't.
【单选题】**4月份,配送中心送货作业发送240车次,其中延误6次,则4月份送货延误率是( )
A.
1/240
B.
1/400
C.
6/241
D.
1/40
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