什么是硫酸铝?

Don't smoke in the meeting room,------?A do you B will you C can you D could you 谁知道这个两个字念什么?“卐卍” Don't smoke in the room,__________ A． do you B． will you C． can you D． could you 写“可爱的小仓鼠”600字作文说他怎么可爱,可爱的事情,越快越好! it was necessary for me to go to the station to meet him yesterday的同义句I____ ____go to the station _____ _____ him yesterday there is no doubt that people in the west regard the Chinese food as something special翻译 弹簧测力计的受力该如何分析 如何进行弹簧测力计受力分析挂个2N的物体,上边受2N.下面也是2N呢?能不 能受力分析? the sky前面是in还是on还是with ______ I saw him I knew what he had said was correct.A) A moment B) In a moment C) The moment D) For a moment in the sky 和 in the air的区别 improve oneself The survey is about—A.Western B.fast food C.restaurants in the world D.CHina food The survey is about__A.Western countries B.fast food C.restaurants in the world D.Chinese food The boy was all wet in the rain,but his mother didn't angry改错 When I came out of the supermarket,it began ___ (rain) ,so I waw all wet. 百得燃气燃烧器点燃之后就熄灭是什么原因 请求哪位高师傅指导我一下 燃油燃烧器为什么先点火后供油 Reading in the sun isn't good for your eyes的同义句 You_____caught by the rain just now for you are all wet.You_____caught by the rain just now for you are all wet.a.can't be b.must being c.must have been d.can't have我想知道下次碰到这类题要怎么做出来 Are you outside in the rain?什么意思 请问：钣金,机加工,铸件所用的铝、铁、不锈钢以及工具钢都有哪些牌号?钣金1.铝2.铁3.不锈钢机加工：1.铝2.铁3.不锈钢4.工具钢铸造：1.铝2.铁3.不锈钢4.工具钢 以It happened that ...句式的句子不少于十个 有助于回答者给出准确的答案 sexual的中文意思听了后街的那首everybody,里面有歌词有一句am i sexual one?是否是性感的意思? sexual intercourse 是什么意思? Rated R for sexuality and horror violence.什么意思 我想问你一下那个关于220V延时电路的问题 What can will improve our outlook on life? 我想实现,电流达到1.6毫安 延时30秒 自动断电 断电后延时30秒 再通电我想实现,电流达到1.6毫安 延时30秒 自动断电 断电后延时30秒 再通电 通电后 电流如果达到1.6毫安 在延时30秒 自动断电 这 not read books in the sun 有首英文歌一开头就是SUPERSTAR叫什么?有首英文歌一开头就是SUPERSTAR之类的挺好听的,是个女的唱的,不是慢歌,那个歌叫什么?