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【多选题】
非弹性阻力包括A.
气道阻力
B.
静态阻力
C.
惯性阻力
D.
黏滞阻力
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反馈参考答案：
举一反三
【单选题】Senator Smart, who understands economic principles, is trying to convince workers in her district that trade with other countries is beneficial. Senator Smart should argue that trade can be beneficial
A.
only if it allows us to obtain things that we couldn't make for ourselves.
B.
because it allows specialization, which increases total output.
C.
to us if we can gain and the others involved in the trade lose.
D.
in only a limited number of circumstances because others are typically self-interested.
【简答题】腹膜腔由__和__互相延续、移行,共同围成不规则的潜在性腔隙。
【简答题】旅游资源包括的范围很广，种类繁多，按照其形成的条件，可将旅游资源分为____旅游资源和人文旅游资源。
【单选题】It was a fixing sight: there, in the Capitol itself, a U.S. Senator often mocked for his halting, inarticulate speaking, reached deep into his Midwestern roots and spoke eloquently, even poetically, a...
A.
annoyed.
B.
amazed.
C.
agonized.
D.
agitated.
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