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一些硫化物的物理化学性质各位帮帮忙,写论文要用的三硫化二锑,二硫化钼,硫化亚铁,硫化铜,硫化锡,硫化锰的物理化学性质以及发生分解反应的温度和反应方程,谢谢了希望最好是关于这些物 高中化学 非金属 硫化物为什么将二氧化碳和二氧化硫通入氯化钡溶液中均五沉淀产生? 人婴幼儿童时期的世界观是什么样的,是以什么形式体现的,为什么是这样 light的中文怎么写 wish 后面跟什么形式? wish 是名词还是动词 wish和will作名词时的区别 求解释high和tall的区别 high的最新意思,那个哥们给个解释,现在很多人说,去酒吧high去. but i'm right in the middle of important papers啥意思? say high解释 （Suddenly the creatue soared up high into the sky.中文意思.soared up high 是一组短语吗 fiy up high的意思? which level is this book,什么意思啊? I,M IN THE MIDDLE OF WATCHING A MOVIE, been in 和 been to 的区别? at this restaurant是什么意思 been in 和been to 的区别How many time ________you_________that city?A、have.benn in B、hane.been toC、have.gone to D、hane.gone为什么用B不用A呢?两个的区别也说一下 high up是什么意思 have your nose that run and feet that 为什么英语要这么说?有什么背景?这句话确实是一句很native的说法，应该不涉及中国式的夸张 Your dogs are barking.You feet smell. ground level是什么意思啊? Don't pretend( ).Your book is upside down.A.to readB.to be readingC.to have readD.read town这个单词咋读,用汗语标出 above ground town怎么读 ground level在家具行业什么意思 This basket is ---than that one.Amuch heavierBmore heavier If you drop down heavily and your head is down.的翻译谢谢 BORDER TOWN怎么样 我姓李,叫冰姝,请问我名字的含义,若你会起什么名字?什么意义?5楼的辛苦了,你抄的累,我看的也累 --wonderful news report he wrote!All of us were proud of him A what a B what C how a D howit'ssaidthat a foreign English teacher will teach us English next term -- good news to us Awhat an excitednews Bhow excited the news is Cwhat excitingnews Dhow