皮皮学，免费搜题
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【单选题】
肺泡表面活性物质减少将会使A.
肺弹性阻力减小
B.
肺顺应性增大
C.
肺泡内液体层表面张力减小
D.
小肺泡内压大于大肺泡内压
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皮皮学刷刷变学霸
举一反三
【单选题】I was _________ tired _________ I fell asleep as soon as I lay down.
A.
too; to
B.
so; that
C.
such; that
D.
enough; that
【单选题】— What's the matter with your leg? — I ______ yesterday. [ ]
A.
fell about
B.
fell down
C.
fell over
D.
broke down
【简答题】Some weak bridge may not ___ in an earthquake. A,stay up B. fall down C. fell down D. fell off
【简答题】A. The tree was broken. B. All the leaves fell down. C. One of the branches fell down. D. The tree was cut down.
【单选题】______ from the apple tree.
A.
It down fell
B.
It fell down
C.
Down fell it
D.
Fell it down
【简答题】追求;致力于;追赶
【简答题】________ from the apple tree [A] It down fell [B] there it is needed [C] Down fell it [D] Fell it down
【单选题】—I was ______ tired ______ I fell asleep as soon as I lay down. —Oh, you need to have a good rest.
A.
too, to
B.
so, that
C.
enough, to
D.
such, that
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