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【单选题】
下列关于肺泡表面活性物质作用的叙述,错误的是:A.
防止肺萎缩
B.
维持肺泡的稳定性
C.
防止肺水肿的发生
D.
提高表面张力
E.
由肺泡Ⅱ型上皮细胞分泌
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举一反三
【简答题】There was a beautiful garden. Every year the king would go to the garden to decide which flower was the most beautiful one. For the last few years, the rose was always Number One. Because of this, the...
【单选题】下列关于单位设置会计机构的表述正确的是（ ）。
A.
各单位必须设置会计机构
B.
各单位应该设置会计机构
C.
各单位应当根据会计业务需要设置会计机构
D.
单位可以不设置会计机构但应当在有关机构设置专职会计人员
【单选题】I water that flower every morning. 被动句是以下哪句?
A.
That flower is watered (by me) every morning.
B.
That flower is water every morning.
C.
Water is flower every morning.
D.
Every morning is watered by the flower.
【单选题】Every bush and every flower ________ to be cut down.
A.
are
B.
are going
C.
will go
D.
is
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