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中位数和众数的意义例如:平均数的意义:反映一组数据总体趋势的指标 何为中位数,中位数和平均数比较有什么意义 美国历史有200年用英语怎么说 英语翻译 问你们一道题,We say TV _short in our daily lifea.on b.in c.at d.for 防火知识的英语短文?英语短文 ---has your uncle been to shanghai?-—only twice.A How many times B How often选哪个?为什么? My brother has been to the USA __twice___ 对twice 划线部分提问 镁、铝、镁铝合金谁的熔点低? 无限可数集合的基数的意义是什么? 镁、铝、镁铝合金谁的熔点低?答案是镁铝合金,不知为什么 镁铝合金的熔点a.高于铝b.高于镁c.低于镁和铝d.高于镁和铝 谁知道镁、铝、镁铝合金谁的熔点低? 正数的意义是什么shuodexiangxidian We went to Hainan Island for a r____ holiday after a term's hard work. _5.After two months' hard work,we went to the beach for a r____ ___ holiday. For the last day of the holiday we relaxed and prepared to go back to work or school的意思是什么? Is the book _______you are talking about interesting?A.whatB.whoC.thatD.when The boys 《are talking about the football》对《》部分提问第一:I'd like some hamburgers and a glass of milk(改为一般疑问句)第二:My aunt looks after the flowers carefully(改为现在进行时)第三:Can the tigers cli The boys( are talking about the footbaall)对括号内进行提问 This book is talking about the w( ) I'll be all you need and all we have is how you 'll rember me.and i need that memry to be stong and beautidul. What do you know about the sea?You may have seen it.Some of us have swum or bathed in it.It looks beautiful on a fine sunny day and it can be very rough when there is a strong wind.What other things do we know about it?Of course,the sea is very large 在核电站里,铝制的天线被中子活化属于化学反应还是物理反应,并请说说其具体过程, 我想取一个新颖一点的英文名.我的名字有一个"怡"字.谢谢.不希望是转载过来的.不要jenny , linda. lily ann selina sara.. 等等这些名字..请说明含义.谢谢谢.! If you need someone to talk toI'll be that one. if you need someone to talk to about what happened to you请问这里面的talk to的to可以s省去么?如题 There's no need to be alone,When you find that someone. i need talk to you.和I need to talk to you.这俩哪句对?i need talk to you.和I need to talk to you.这两句哪句对?如果need talk to you对,那么就是说need是情态动词了?那么need做情态动词也是可以用在肯定句中了?如 After school英语作文最好是预备水平(60个单词)明天就要交了,After school--课外生活 腐植酸 我的老家有大量的风化煤,我看了腐植酸的加工原料就是风化煤,我想了解办厂要有那些设备,技术.