【单选题】【消耗次数：1】
非弹性阻力主要成分是
①
气道阻力
②
肺泡表面张力
③
肺回缩力
④
惯性阻力
⑤
粘滞阻力
参考答案：
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下面说法符合实际的是？
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边塞是具有刚健特色，表现出来的气象令人振奋。
②
高适、岑参是边塞诗人的代表人物。
③
杜甫《北征》也是边塞诗歌。
④
李白从没有写过边塞诗。
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A computer can only do____ you have instructed it to do.
①
how
②
after
③
what
④
when
【单选题】
The thing that ____ is not whether you fail or not, but whether you try or not.
①
matters
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cares
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considers
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minds
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It ____ to the hospital yesterday, but I forgot all about it.
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had to go
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should have gone
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ought to go
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He is so shy that he ____ speaks in the public.
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often
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frequently
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seldom
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sometimes
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Thanks to Mr. Wang, he kept____ us to remember the important things.?
①
to ask ?
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asking ?
③
to be asked ?
④
not asking?
【单选题】
They will inform him ____ any progress they make in the experiment.
①
about
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on
③
of
④
with