下列关于溶液的叙述中正确的是 [ ] A、饱和溶液降温后一定能析出晶体 B、饱和

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问题:

下列关于溶液的叙述中正确的是 [ ]

A、饱和溶液降温后一定能析出晶体

B、饱和溶液升温后一定能析出晶体

C、溶液只有达到饱和后才有可能析出晶体

D、溶液不达到饱和也能析出晶体

考点:饱和溶液,不饱和溶液
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Hi,boys and girls!Do you need good       ?Welcome to our store!Our store is very    .We have lots of clothes in it and many of them are       .Every day,        people come and buy clothes in our store. We have     clerks(店员):five boys and five girls. The      in our store are cheap.
Do you      schoolbags?We have many cheap schoolbags. We      them for only 8 dollars. We also have trousers,shoes,sweaters,shirts and shorts. They are in many        :blue,green,black,yellow and white. Do you      these things?Come to our store,please.
小题1:
A.booksB.vegetablesC.clothesD.hamburgers
小题2:
A.bigB.redC.smallD.short
小题3:
A.in needB.at schoolC.on saleD.on TV
小题4:
A.noB.onlyC.manyD.much
小题5:
A.fiveB.eightC.nineD.ten
小题6:
A.clerksB.booksC.thingsD.price
小题7:
A.takeB.needC.thankD.meet
小题8:
A.sellB.lostC.buyD.found
小题9:
A.pricesB.namesC.colorsD.numbers
小题10:
A.likeB.knowC.watchD.bring
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如图所示,物体S(未画出)经凸透镜L成像于M处的光屏上。若将光屏移至N处,仍要在屏上得到物体S的像,则在凸透镜L左侧P处放置的透镜是(   )

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男性,26岁。系统性红斑狼疮病史3年,2天前感冒后出现高热、腰痛。查体:贫血貌,巩膜轻度黄染,脾大。该患黄疸的原因可能是().

A.药物性黄疸

B.肝细胞性黄疸

C.溶血性黄疸

D.胆汁淤积性黄疸

E.先天性非溶血性黄疸

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1944,108,18,6,( )

A.5

B.4

C.3

D.1

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铺装路面是指什么?

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