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浓盐酸放久了为什么变黄 ( )They have searched the _ for 3hours for the information about music.A.TV B.raido C.Internet D.computer He has searched the ________ or 2 hours for the information about Yang Liwei.A.mouse B.keyboard C.Internet D.computer中文 为什么 海雄什么意思 七雄争霸 机动性越大表示冲在最前面,也就是说表示出征时的移动速度?机动：骑兵>车兵>步兵>弓兵>器兵 那他们的机动各是多少呢? 乔冠华为什么要开怀大笑 实验室里的浓盐酸为什么是黄色的啊 说出换热器BES700-1.27/1.61-155-6/19-4I符号及数字的含义? BT and the Customer reserve the right to rectify any defect themselves or through a third party without consent and at the expense of the Supplier这是完整的句子 无锡马山永红换热器有限公司做什么的,换热器是一个什么概念 alternative to the team All my＿＿＿（classmate)are＿＿＿（England) 甲苯和溴水能萃取吗 求文言文填词要求意思合适平淡之制,幸福之源也高远之志,( ) 之( ) 也第一句大意：平淡的日常生活,是幸福的源泉求第二句填词 甲苯能萃取四绿化碳中的溴吗 溴水能鉴别已烷与甲苯吗?甲苯可以把溴萃取出来吧为什么 NETT是什么意思 写论文时以用别人的文章在参考文献标出时很多文献题目后面都有[]里面写着大写字母, 屠户杀狼分哪两个阶段?文中 积薪 的作用是什么?从哪里看出狼的变诈? 据意填词1.She is____________(令人感到了不起).2.The car went at an amazing_______(速度).3.There are many famous________(雕刻品)4.There are so many good______(展品)paintings in the museum.5.No______means don't run anywhere. 英语据意填词Wash your hands ------- a meal. 用适当的并列关联词连接两句句子 The girl has improved a lot.She is in satisfactory condition.连接完之后请帮我翻译一下,特别是in satisfactory condition是啥意思 推导球体积公式问题求指出为什么推不出正确的体积公式来! 甲苯能萃取溴吗 Which has a high infection rate and could reduce wheat output by half.output by half 校园v网是什么动感地带的 我想知道V网是什么意思 家庭V网是什么意思 reduce by 0.5%和reduce 0.5%的区别RT 磁铁市场哪里有 不知好歹造句,至少五句 句意填词our host family was very_______ too us when we were in america last yearif you don't know the meaning of this word you can look it ______in a dictionaryi didn't______the school bus this morning because i got up too latethis problem is not