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【简答题】
单作用叶片泵是（ ），而双作用叶片泵是（ ）。
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举一反三
【单选题】听力原文：I think we need to register for the online ornament store. (A) I think you are wrong. (B) Thanks for reminding me. (C) Yes, it is very difficult for online stores to register. (14)
A.
B.
C.
【单选题】男,49岁。因发现原因不明的腹部包块1个月就诊。腹部触诊:肝下界在右肋缘下5cm,剑突下7cm,硬如前额,表面高低不平。应首先考虑( )
A.
肝硬化
B.
肝淤血
C.
急性肝炎
D.
肝脓肿
E.
原发性肝癌
【单选题】—Do you think it will rain tomorrow? — . Because farmers need rain very much. [ ]
A.
I think so
B.
I hope so
C.
I'm afraid so
D.
I'm afraid not
【单选题】Dave:I think I need much money,but my wife does not think so.______?Caroline: What do you need' much money' for? Perhaps your wife is a very organic, simple needs person. Have you ever explained what ...
A.
What shall I do
B.
Why does she not agree
C.
How could she not like money
D.
When she will agree with me
【简答题】制造承受冲击载荷及摩擦力的重要零件 ,如发动机凸轮轴,可选用( )。 A . 20CrMnTi B . T12A C . 9SiCr D .65
【单选题】男,49岁。因发现原因不明的腹部包块1个月就诊。腹部触诊;肝下界在右肋缘下5厘米,剑突下7厘米,硬如前额,表面高低不平。应首先考虑
A.
肝硬化
B.
肝淤血
C.
急性肝炎
D.
肝脓肿
E.
原发性肝癌
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