单项选择题

氧的化学性质非常活跃,能助燃。其强烈的氧化性又能促进一些物质自燃,是构成物质燃烧爆炸的基本要素之一,所以对氧气的制取、储存及罐装过程都有严格的要求,下列对氧气站建筑的布局要求不正确的一项是( )。

A.空气设备的吸气口应超出制氧(站)屋檐1m以上且离地面垂直高度不能大于10m
B.空气应洁净,其烃类杂质应控制在所允许的范围内
C.独立站、灌瓶间、实瓶间、储气囊间应有隔热措施和防止阳光直射库内的措施
D.储瓶间应为单层建筑,地面应平整、防滑、耐磨和不产生撞击火花
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单项选择题

【案例分析题】

Culture is activity of thought,and receptiveness to beauty and humane 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 educaton.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 overladen 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.

(1)()

A.Chips
B.Scraps
C.Fractions
D.Plates

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