固体与液体分离的设备

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i have a book,the cover of which is blue.Which为什么不可以变成it啊,it不可以指代前面的book吗? There are not ___ (many,a lot of)chairs in the meeting room.选什么,原因~ Do you like the book the cover of which is blue?等于Do you llike the book whose cover is blue?Do you like the book which cover of is blue 这样表达正确么? 亚洲主要地区的人文地理和自然地理概况?分别说一下东亚、日本、东南亚、南亚、印度、中亚、西亚的人文地理和自然地理概况,也不要太多,麻烦帮我整理一下吧, Be careful.Don’t ( ) the ladder.A.fall off B.fall down C.fell off D.fell down He was ____ tried ____ he fell asleep as soon as he lay down.A.too,to B.so,that C.such,thatD.enough,that The house is very dear.[同义句] DEAR SMITH:thanks for the great photo of your family .l love it very much .here is my family photo.DEAR SMITH:thanks for the great photo of your family .l love it very much .here is my family photo.see you soon .your friend ,jack 问1.WHO WRITES THE 请问ideal和dear\ real \great这些单词中的ea两个字母的英标各是什么? The price of the shorts is very dear 这The price of the shorts is very dear这句哪里错了 6月25日化学 为什么除去SO2中的少量HCl 不能用通过Na2SO3溶液,收集气体? How do you like to spend your free time? My favourite animal 55词 Remember to ____ your brother with you next time.A take B brng C carry 选哪个?为什么?B bring 不好意思,刚才打错了 have to加动词的过去式,had to加什么? spend more time on your family和spend more time with your family哪个对,最好给理由 take one of 用grandma,is,her,presents,wrapping,his连词成句 plat/she/sport/going/is/to/week/next(连词成句)并用中文翻译 the car is too expensive for me to afford it 为什么还加it