多氮化合物

中国古代历史年表,要有朝代 更替时间 皇帝年号 都城 Is Bob your brother?A.no,it isn't.B.no,he isn't.C.no,she isn't.选择哪个更恰当 为什么啊 …… This is not my dictionary,it's____.（我姐姐的）She lent it to me this morning.A my sister B my sisters C my sister‘s Dmy sisters' 生物世界之最 Tom___more than twenty pounds for the dictionary A:spent B:paid C:cost D:took 这题怎么做 为什么 That's Anna and that Tom改错 我爸爸昨天去看电影了,我也去了.这句话用英语怎么说跪求! 我经常与爸爸一起去看电影 用英语怎么说? 你的爸爸想去看电影吗英语怎么说 世界之最 世界上最大的海洋 世界之最：最大的湖；最大最深的海；最宽的瀑布 ------is this big A; how much B;how many C;how far D; how tall 微生物有哪些特征可以称得上是世界之最? she spent 30 dollars on the English-chinese dictionary的同意句是什么 ()she did not know very much English,she looked up the word in the dictionary.()you can't answer the question ,i will ask someone else.括号里应该填for,since,because,as中的哪一个比较好? because she thought a dictionary was【h 】in【s 】English.【】里填啥 She ( ) the English-Chinese dictionary for about three years ,but it's still new.A.bought B.borrowed C.has had D.has borrowed 2-3.He asked Meimei that she had an English dictionary.that 错了应该改成什么 为什么 This is an old computer______works much slower.where that which who or whose这个空填什么? 唐朝的国都是长安还是洛阳? 模仿唐都城长安城的模式设计东都洛阳的城市格局,谢谢! 中国历史上建都最早、朝代最多、时间最长的都城?西安还是洛阳 问个字：一个‘明’字底下加个‘空’字念啥?怎么打出来? the English-chinese dictionary _____ ________ 30 dollars.（改为同义句）正句是she spent 30 dollars on the English-Chinese dictionay 心动神移,不能自己的意思 心动神移不能自己的意思 英语翻译还有一些主要的运动项目 心动神移,不能自己.的意思 中 怎样理解 哪怕只有几百几千字,也往往使我心动神移,不能自己 的意思? 唐朝长安和洛阳,是现在的什么地方?分别在哪两个省 The book cost me 10 dollars的同义句I______ the book_______ 10 dollars The car cost him ten thousand US dollars为什么cost 不用costs