中国农耕文明历史

喧腾意思 1.2SO2(g)+O2(g)←→2SO3(g)+196.5kj则4molSO2+O2通过V2O5催化放出的Q(超过)393kj(为啥不是等于393kj?)2.BaCO3+HCl的离子方程式为:BaCO3 + 2H+ =Ba2+ CO2↑+H2O(为啥不是CO3 2- +2H+ →CO2↑+H2O?)3.CH3COOH+NaOH的离子方程式为 修改下这段英文有什么错误?I can't walk without u.I'm already not a lady .Can't handle everthing about u.Don't know what u care.I'm the unnecessary part of ur rich life.But I just can't get rid of thinkin the thought in ur mind.Ur life is f 下面有两段英文 An advertisement promoting TAG Heuer watches uses the notion of classic to appeal customers because it fully demonstrates its characteristics that are luxury and extraordinary.The brand TAG Heuer has 150 years history during whi 电热水壶的维修我的电热水壶最近老是水没有烧开灯就灭了,但是开关却没有弹下来,就停止了加热了,但是烧一杯水却可以烧开,请问这是什么问题, 佛到底讲了些什么 高一化学必修一人教版氧化还原反应的视频 谁可以把这段次改成英文的?以下是朋友写的一段词,哪位高手帮帮忙改成英文的!最好押韵点!谢谢了!满意追加50分!当一切都变成过去式我们还有什么烦恼为什么不珍惜明天的美好不要再为过 请问这段英文错在哪里,基于人的心理特质,个人之间的互动关系本身就有其复杂性,集体劳动者与企业之间既有竞争又有合作的互动关系,集体劳动者之间的互动复杂的程度常常超出一般人的想 这段英文需要修改哪些地方?Now,it is comes to the analysis of learningcurve in PR company.In fact,the performance of PR company is in the periodsof no return show up on the curve as a fairly straight horizontal line.Although the training is 锌可以与氯气反应吗如题 在线等答案写明反应方程式和需要的反应条件 5克含铁,镁,锌三种金属的混合物跟稀氯酸反应生成2.8升氯气则这三种金属的物质的量之和为 怎样理解佛教说的空? 谁知道哪里有初中化学新课标? 教师怎样做才能适应初中化学新课程的要求 新课标初中化学有哪些变化? 初中化学新课标的特点是什么? 帮忙看一下这段英文有没有错误 1.According to some English prompt to guess phrases!There are three 4.Finally successful group won the applause .Unsuccessful group must read tongue twister.According to some English prompt to guess phrases 帮忙看一下这段英语有没有错误Guangdong Province ancient times always is “hundred races” the housing region,the Qing government has established Guangdong Province in here,therefore Guangdong's name continues to use until now.Here was 帮我看一下这段英文有没有错误Qingyuan monsoon climate is subtropical,warm and humid,four distinct seasons,with the average temperature of 17.4 ° C,17.6 mm of precipitation,frost-free period 245 die prematurely.The general characteristic Each girl must find the strength stood on the land Shahu Hu was not referring to the power of love Each one is perfect I You just do not see a lot of In the sky in his teens,by virtue of strength to win It is our only way out I would prefer you to le 帮忙看一下,这段英语有没有错误The Chicago city is located in USA Illinois – IL State Northeast, one of USA Great Lakes Michigan southwest bank. Alternative name: Wind city , second cities , Chi Town , The City That Works,etc.Its city f 过氧化钠和水反应的化学及离子方程式 新课程改革的理论基础是什么 人教版化学必修3知识点总结请问、有没有化学必修3、还是必修2之后就是选修1？ 新课程理念下如何上好一堂好的英语课 怎样才能更好的上好新课标英语课? 新课程理念,新课程标准用英语怎么说我要说教学设计,不知道用英语怎么说. 英语翻译A和B是一类,C和D是另一类,这两类之间存在关系.需要翻译的为“A和B与C和D的关系”。 英语翻译我们要和某个厂商合租搞一个签约仪式,需要写一个标题,但是要中英文两个版本的.我的英文太差了,明天就要用,我担心那么多媒体记者,要是出错了,简直闹大笑话了. 用英语说：A和B成正比 谁会看佛牌,帮我看看这个佛牌怎么样这个佛牌比较少见,有认识的吗