文氏管洗涤器由喷嘴、文氏管本体及()等三部分组成。

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问题:

文氏管洗涤器由喷嘴、文氏管本体及()等三部分组成。

考点:风机工高级风机工高级风机工题库
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图为一装置的示意,小木桶abcd的质量为M=0.18kg,高L=0.2m,其上沿ab离挡板E的竖直距离h=0.8m,在小木桶内放有一质量m=0.02kg的小石块P(视为质点)。现通过细绳对小木桶施加一个竖直向上的恒力F,使小木桶由静止开始向上运动,小木桶的上沿ab与挡板E相碰后便立即停止运动。若小石块P最终上升的高度不会超越ab,则拉力F的最大值为多少?取g=10m/s2,空气阻力和定滑轮摩擦均忽略不计。

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喉部良性肿瘤较常见者有()、()、()及()等。

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RhizomA ZingiB Eris的中文名是()

A、姜黄

B、干姜

C、郁金

D、莪术

E、高良姜

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文思院

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Culture is activity of thought, and receptiveness to beauty and human feeling. (1) of information have nothing to do with it. A merely well-informed man is the most useless (2) on God’s earth. What we should (3) at producing is men who (4) both culture and expert knowledge in some special direction. Their expert knowledge will give them the ground to start (5) , and their culture will lead them as (6) as philosophy and as high as (7) We have to remember that the valuable (8) development is self-development, and that it (9) takes place between the ages of sixteen and thirty. As to training, the most important part is given by mothers before the age of twelve.

In training a child to activity of thought, above all things we must (10) of what I will call "inert ideas"—— that is to say, ideas that are merely (11) into the mind without being (12) , or tested, or thrown into fresh combinations.

In the history of education, the most (13) phenomenon is that schools of learning, which at one epoch are alive with a craze for genius, in a (14) generation exhibit merely pedantry and routine. The reason is that they are overlade with inert ideas. Except at (15) intervals of intellectual motivation, education in the past has been radically (16) with inert ideas. That is the reason why (17) clever women, who have seen much of the world, are in middle life so much the most cultured part of the community. They have been saved from this horrible (18) of inert ideas. Every intellectual revolution which has ever stirred humanity (19) greatness has been a (20) protest against inert ideas.

6()

A.linear

B.deep

C.militant

D.odd

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