问题
填空题
打开香水瓶盖,香味扑鼻而来,说明______;液体很难被压缩,说明______.
答案
打开香水瓶盖,香味扑鼻,是香气的分子运动了出来,说明分子不停息地做无规则运动.
液体很难被压缩,说明分子间有相互作用的斥力.
故答案为:分子不停息地做无规则运动,分子间有斥力.
打开香水瓶盖,香味扑鼻而来,说明______;液体很难被压缩,说明______.
打开香水瓶盖,香味扑鼻,是香气的分子运动了出来,说明分子不停息地做无规则运动.
液体很难被压缩,说明分子间有相互作用的斥力.
故答案为:分子不停息地做无规则运动,分子间有斥力.
When a person is curious about something,it means he is interested in it and wishes to know more about it.There is____wrong with curiosity in itself.Whether it is good or bad____on what people are curious about. Curiosity is always silly or wrong.Some persons with nothing to do are____of curiosity about what their neighbours are doing.They are____to know what they are eating or drinking,what they are____home or taking outside,or____they have come home so early or late.To be interested in these things is____because they are not at all___.It is none of their____to know what their neighbours do or are doing.Such curiosity is____not only foolish but also____.For most probably,it____to a small talk which often brings harm,shame or disrespect to others,and thus____their feelings. On the other hand,there is a____curiosity—the curiosity of wise men,who____at all the great things and try to find out all they____about them.Columbus could____have found America if he had not been___.James Watt would not have made the steam engine____his curiosity about the raising of the kettle lid.All the discoveries in human history have been made____a result of curiosity.But the curiosity is never about unimportant things which have little or nothing to do with the happiness of the public.
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