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【单选题】
液体动压轴承是指运转时( )的滑动轴承。A.
半干摩擦
B.
混合磨擦
C.
纯液体磨擦
D.
干摩擦
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皮皮学刷刷变学霸
举一反三
【单选题】.下面各句,不属于被动句的是( )
A.
先即制人,后即为人所制。
B.
下施万民,万民被其利。
C.
百姓之不见保,为不用恩焉。
D.
兵破于陈涉,地夺于刘氏者,何也?
【简答题】股票的市场价格一般是指股票在一级市场上交易的价格。 ( )
【简答题】If there is one thing I am sure about, it is that in a hundred years from now we will still be reading newspapers. It is not that newspapers are a necessity. Even now some people get most of their new...
【简答题】If there is one thing I am sure about, it is that in a hundred years from now we will still be reading newspapers. It is not that newspapers are a necessity. Even now some people get most of their new...
【简答题】阅读理解 If there is one thing I am sure about, it is that in a hundred years from now we will still be reading newspapers.It is not that newspapers are a necessity.Even now some people get most of their ...
【简答题】This product has been a _____1______ for nearly one year. I would like to be your ______2______ for your new____3________. The _______4_____ is not known to us, but I am sure your market still has a g...
【单选题】19 下列股票市场价格的说法中,正确的有( ) I 股票的市场价格由市场交易量决定 II 股票的市场价格由股票的价值决定 III 股票的市场价格一般是指股票在二级市场上的交易价格 IV 股票的市场价格一般是指股票在一级市场上的发行价格
A.
I、II
B.
II、III
C.
I、II、III
D.
III、IV
【单选题】下列各句中有语病的一句是
A.
一项新的研究成果显示,动物不但具有独特的性格,而且性格相当复杂,它们性格的复杂性甚至能够与人类的相媲美。
B.
进入21世纪,随着经济全球化进程的加快和知识经济的深入发展,国与国之间的竞争越来越集中到知识和人才方面。
C.
电视的普及,在给现代人带来丰富多彩的视听艺术的同时,也悄然改变着人们在印刷媒介时代所形成的审美趣味和欣赏习惯。
D.
生物入侵就是指那些本来不属于某一生态系统,但通过某种方式被引入到这一生态系统,然后定居、扩散、暴发危害的物种。
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