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在M升硫酸铝溶液中,若含有N摩尔 AL3+{不考虑AL3+水解},则此溶液中 S042-的物质的量浓度为多少? He guards the sleep of his pauper master as if he were a prince.为什么he were （a prince） ,he后边要用过去时还是复数?.he is,he was为什么不对? 使用Citrix Guest Attendee Site时候出现错误:The supplied credentials were invalid.Please try again or contact your system administrator for help.Guest ID和Conference ID都没有问题,IE的安全级别也设置为最低了,证书也应该没 Prince Charles 是 Prince Willianm ···呵呵 爸爸 OR 哥哥! i like we must m____ plans for it i think you have the w____ number 明德笃学 践履惟新现代意思 “明德、笃学、弘毅、拓新”出自哪里? 谁能帮我写一篇演讲稿啊?主题是明德、笃学、敦行,副标题是我们是未来的城市主人,800字以上.急,保证质量!急,应该题目是明德、笃学、敦行 飞机的起飞装置是靠什么? 飞机是起飞后是靠什么前进的 Party B shall agree that the First will dispatch supervisors to the scene of theParty B shall agree that the First will dispatch supervisors to the scene of the performance. 谁能帮我?这里不能抽烟————改为祈使句 急. 车厢不能吸烟(改为祈使句) 笃学是什么意思 Linda worked for the Minnesota Manufacturing and Mining Company,____as 3M.选着 A.knowing B.known C.being known D.to be known 翻译＆解释谢 “0-1”分布的方差DX=A.pB.qC.pqD.不定 Linda worked for the Mining Company,＿＿as 3M,A.knowing B.konwn C.to be known而且这里的known as为什么是用作过去分词短语作定语啊? -----(millon) worked as volunteeers during the meeting.适当形式填空这里应该用millon的什么形式? CS与BS主要区别? 是明德致远还是明德至远? 格物明德 什么意思 CS和BS有什么区别? He paid ___ of the money for the books.A.two threeB.second thirdC.two thirdsD.second threes he worked harder and ran more than any of the others---perhaps he sensed that the abilities ___ seemed to come naturally to so many others did not come naturally to him.分析为什么空格里用that/which 在中国,木兰的故事家喻户晓.翻译 正态分布的方差是?一般情况N(μ,σ2 ) 正态分布 与 方差的疑问当两个样本n足够大,且服从正态分布时,计算两样本的总体均数是否不同.需不需要作方差齐性的F检验?例如：从某地抽样调查分别得到男性、女性胆固醇均数（n均足够 CS和BS的特点和区别软件编程里面的CS结构和BS结构各自的特点是什么?有什么区别 江西赣州的石城县有多少个乡镇?各个乡镇有多少个网吧啊? 我的家乡是江西省石城县,谁能给我介绍一下我的家乡? 有关于江西的小故事吗?我是江西的,要关于我家乡变化或以前有趣的小故事! 标准正态分布的平方方差为什么是2