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【单选题】
贫血主要是指血液中的 ( )A.
血浆蛋白减少
B.
白细胞减少
C.
血小板减少
D.
血浆量减少
E.
血红蛋白含量减少
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【简答题】普通空调用压缩机(电动机额定功率为800W)
【简答题】空调用压缩机(电动机额定功率为800W)
【单选题】I believe we have a three-part mission for the present.First , we must continue to press for improvements in the quality of life that people can make for themselves . Second , we mast investigate and ...
A.
Efforts should be exerted on pollution prevention instead of on remedial measures.
B.
More money should be spent in order to stop pollution.
C.
Ordinary citizens have no access to technical information on pollution.
D.
Environmental degradation will be stopped by the end of this
【单选题】脂肪酸β-氧化作用的连续进行与下列哪种酶无关( )
A.
脂酰CoA脱氢酶
B.
羟脂酰CoA脱氢酶
C.
烯脂酰CoA水合酶
D.
β-酮脂酰CoA硫解酶
E.
缩合酶
【单选题】5 We can ’ t _______examination ont because it is the best system,but rather because we have not_______a better way to evaluate students.
A.
do away,come up with
B.
do away from,come across with
C.
do away with,come up with
D.
do away to,come across
【简答题】根据材质不同,木楼地面可分为普通纯木地板、( )、软木地板。
【简答题】某污水处理厂初沉池设计流量为10000 m3/d,进水悬浮物浓度为200 mg/L。该厂污泥浓缩池、污泥脱水机的上清液回流到初沉池。初沉池对悬浮物的去除率按50%计,则该厂初沉池每天产生含水率为97%(污泥密度按1000 kg/m3计)的泥量约为多少?
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