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?χ?向有铝粉与过氧化钠组成的混合物中加入足量水,当反应停止后,溶液澄清,共收集到气体3.5g,相所...?χ?向有铝粉与过氧化钠组成的混合物中加入足量水,当反应停止后,溶液澄清,共收集到气体 Espresson with whipped cream 如题 moisturising cream with plant extracts是什么?早上用还是晚上用? placenta cream with vitamin e pacenta cream(with vitamin e)盖子是肉色的,英文字旁是一只绵羊,我一澳大利亚朋友带来的.是脸上手上都能用吗?但我用了后皮肤还是干干的,脸上有白色干皮,什么原因? optimus怎么读 向铝粉和过氧化钠的混合物中加入足量水振荡,当混合物全部溶解后,得到无色透明溶液,并放出7g气体.向该溶液中滴加5mol/L的Hcl,有白色胶状沉淀生成当加到280ml时沉淀恰好溶解.求原混合物中铝 Why not _____(ask) the policeman for help?用适当形式 We should___(ask) the policeman for help?要变形吗?如要变成什么?再解释一下为什么.谢谢. I said when he was a little older he could make that decision .with the hope that that fad would haI said when he was a little older he could make that decision .with the hope that that fad would have pass out of style.请帮我分析一下后半 【老友记308】【图】that would make that work...make sth work My brother and I made a bargain that I would wash the dishes if he would dry them.这里if是什么用法?应该是可以用and来代替的吧? He was sure the doctor would give him ________ that would make him feel better.A.a shoot B.a shot C.an inject D.a reject 完全燃烧62克磷需要多少克氧气 将1.05克铝和过氧化钠的混合物放入一定量的水中,充分反应后固体无剩余.再向其中加入50ml 1mol/L的盐酸,可恰好使反应过程中产生的沉淀消失.求原混合物中铝,过氧化钠各多少克? 过氧化钠与水反应生成氢氧化钠和氢气.将过氧化钠和铝粉混合物放入水中,反映完毕后得到澄清溶液,并产生8 It is sait that e-shoolbags are going to be brought into use in chinese middle shool soon It's said that e-textbooks are going to be kept in Chinese middle schools 怎么译 jim Green said that___better to take a bath before going to bed.a.that was b.what is c.this isd.it was no matter whether = whether…or? 有关no matter whether有no matter No matter whether he comes与whether he comes直接引导一样吗? no matter whether...or not 有这个句型吗?no matter和whether的意思不是一样的吗,可以一起用吗?如果可以,如:不管我们能不能见面 是No matter whether we can meet or not. 请哪位高人详细讲解一下no matter 和whether的区别,并说一下他们的用法,谢谢! 北京气象台放出的气象探空气球,气球所载仪器和球皮总质量为27KG,球内所充气体为氦气,已知p氦气=0.09KG/M3,p=1.29KG/M3,为使这样的气球升空,球内所充氦气的体积至少使多少M3? 初中物理的第十三章（人教版初中物理的第十三章（人 ） 是什么 If they alway ask for help from their parents,they will be()most of the time when they study aboard.括号里的单词要a开头哦~They not only study more () subjects but also have to study a ()language to understand their teachers and the ()which 江西省泰和县现在的房价是多少首付大概是多少? 用所给词适当形式填空：They ----(ask) the teacher for help if they ---(have) problems.They ----(ask) the teacher for help if they ---(have) problems.第一个空填can ask还是will ask 风唱梵音 江西省泰和县最新房价烦请近期两个月之内购房的大虾或泰和县城本地人（对房价了解）说说现在泰和的房价,本人想了解一下行情,打算买一套房子,地段要在中心区较好的位置（如泰阳花园/ 江西省吉安市泰和县的进!我想知道泰和县的所有宾馆的名字,有知道的吗 《冬雨》阅读题答案 1、“在一场瑞雪之后,竟然下起了一场小雨”中的“竟然”二字针对“ ”而言.2、本文依次从 觉、 觉、 觉等方面写冬雨给人们带来的美好感受；再分别写雨中的 、 和 , 江西省吉安市泰和县我家农田补贴有问题找相关人员处理未得到解决.怎么办