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【单选题】
实际工程中常用的离心泵叶轮大多采用 () 叶片。A.
前弯式
B.
后弯式
C.
径向式
D.
轴向式.
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举一反三
【单选题】病理诊断羊水栓的依据主要是
A.
肺小动脉及毛细血管内发现角化上皮
B.
肺泡内有大量中性粒细胞渗出
C.
细支气管内充满大量中性粒细胞
D.
肺静脉分支内出现胎脂和黏液
E.
广泛性微血栓形成
【单选题】Listen to me, Tom. This company will pay ______ what you company can.
A.
almost twice as much as
B.
almost much twice as
C.
as almost twice much as
D.
as much as almost twice
【单选题】This company has now introduced a policy ________ pay rises are related to performance at work.
A.
which
B.
where
C.
whether
D.
what
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