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不解之缘的意思? 硫化物用CUSO4除掉的化学方程式是怎样的?还有同高锰酸钾！ 关于硫化物与酸反应的问题,为什么硫化亚铁溶于酸（非氧化性,如稀硫酸,下同）,硫化铜就不溶?那些溶,那些不溶 如何处理工学矛盾麻烦告诉我 如何处理工学矛盾 工科生是什么 工科的具体含义是什么? A————山脉 B——————河流 D_________国家 2.Messi,famous,football,as,player,is,a 连词成句 His d_____is to be a football player like Messi 做肠镜检查之前为什么要喝硫酸镁粉 肠镜检查前需要口服多少克硫酸镁粉?药店只有整袋500g的,难道得自己回家称下50克?另外喝了以后腹泻的时候肚子会不会痛?还是只是腹泻,导致拉的虚脱? 人体内为什么会有原癌基因呢为什么会留一枚这样的炸弹在人体内呢 那里可以下载中文版的chemBiooffice 化学画图软件 need to be done.是什么意思?楼下两位的答案好像意思差很多！！！！！！！！ need to be These are nice bottles and glasses.求同义句 Liu Hai is on the school football team.He is the goalkeeper.He must be very ____ 本人理科学渣(ㄒoㄒ)学霸求助! 这是要初一理科学渣的节奏啊-.-求学霸救我……T^T 一个理科学霸的表白,作为学渣,一百眼都看不懂 I'd bettle hit the books!这句话中的I'd 是I had I would还是 I should? I'd like to go by train.中的'd是would还是had nanjing she a city and big from is it’s把单词排列成完整的句子谢谢了, 谁能帮我把这首歌词翻译成中文?《big city dreams 》Nevre shout NevreBIG CITY DREAMSYou say we're both little people and you like it that wayBut in time I'm gonna put this body to shame (and grow old)Wear a suit like my old manPack up al Shanghai is a big city on Huangpu ___ with 13 ___people.用适当的单词完成句子 如何在word的椭圆图形中插入文字?急用 +分 take 1 capsule daily or as directed by your healthcare professional. 市面上有售的动物蛋白粉有哪些? 丁烷命名比如丁烷有四个碳,那氢的个数怎么定和怎么写的,我知道他有9个氢,他是怎么定的? At the ____of the headmaster,the students plan to set up a new music club at the school.approval和agreement选哪一个呢?两个不都是同意的意思么? The boys plan to set up a student volunteer project at thear school.(对划线部分提问)划线部分是set~school.