小学生肥妞

四氯化硅常温下雨水反应生成硅酸,由硅酸变成二氧化硅是直接脱去一分子水吗? 二氧化硅如何能转化成四氯化硅 铸造件与冲压件的区别铸造件做出的产品与冲压件做出的产品的焊接性能有些什么差别? 铸造件和冲压件有什么区别? 紧密冲压件是属于铸造吗?请问精密冲压件与铸造有什么区别? We don't know how to use this computer?的同义句 I don't know how we use this computer=i don't know_____ ______ _____this computer 王羲之、张仲景、华佗、顾恺之、祖冲之中王羲之、张仲景、华佗是不是同一历史时期的我觉得不是,但答案说是,顺便问一下：怎么样可以算是同一历史时期的 张仲景的《伤寒杂病论》,华佗看过没 I'm afraid I don't know ,you'd better ask__.A.someone else B.else someone C.someone other D other someone You'd better ___(ask)him the question 被动语态的题怎么做啊 You'd better ask Jack to go改为否定句 You'd better go abd ask Mr.Brown.He___know how to use the computer.A.can B.may C.would D.could You'd better go and ask to children but ( ) of them lives with him.翻译一下,再讲解一下原因,谢谢1、 A.can B.may C.would D.could2、The seats in the middle of the cinema are ( ) of all. A.better B.good C.the best D.wo 四氯化硅 是固体还是 液体 you can call Michael Mike for short 变同义句 Mike is ×× michael 一个 × 填一个空 We can call Michael Mike by short.错了吗 We call Michael for short.(改为同义句)Mike is ___ ___ Micheal. 英文单词中带有悟(长音)的单词有哪些今晚7点半前要！达到要求可以再加20分！本人言而有信 注意 音标是[u:] 长音 谁知道you make it happen的意思?再加上one crycuak step to success just make it 苹果5手机,有的程序变英文了,怎么改变成中文 喷雾降尘装置距工作面的距离是如何规定的? 英语翻译 问一下数字电视的操作界面怎么设置可以变成英文的操作界面么?急!问一下数字电视的操作界面怎么设置可以变成英文的操作界面么?我想把数字的操作界面想变成英文的操作界面,怎么设置? 糖豆的一天用英文怎么说?糖豆的英文Candy ,可以作为英文名字吗 数字电视不小心恩了什么键变英文了 怎么办 冲压件和锻件常用的制造标准是什么? candy treat是糖果宴会的意思么?如题是treat 货代海运中的out for delivery是什么状态呐? My family is going _______ a trip ______ China. Would you please__the TV a little?Jack is doing his homework Terribly sorry.I willA turn upB turn downC turn onD turn off