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若an=n/(n^2+156),求数列{an}的最大项的项数及最大项的值不用基本不等式解, 要用做差的方法 数列{An}中,A2=3,A3=6,An+2=An+1-1/An,求A5的值,n+1,n+2都为项数 China sended a man into space.找出错误并订正. shenzhou6 from china was successfully sent up into space这句话中sent up into 我的意思是它们中哪个是固定搭配？是sent into?sent up?还是up into? Could you tell me the A to the Johnsons,pleasethe Johnsons不是约翰森一家人吗.为什么上面这个句子翻译是约翰森的家?家不是名字后面加’s吗我知道是way，请看清我的问题到底是什么 根据句意及首字母提示,补全单词 My friend w( )to me three times a month快 Tony is my c_ ___friend,He is tall and strong.c后面是空格要单词完型填空的 谢谢 英语He s my friend.he s tall的中文 英语He s my friend.he s tall的中文意思.不要说费话,还有she has long hair和He s strong的中文意思. 7.8.不好意思,麻烦你们了3b 英语问职业Could you please tell me what your sister is对不对 China sended a man into space这句话对吗 -Could please tell me how do you learn English?-______.A.Sure. B.I don't know. C.No way.这道题选什么?A还是C?为什么?我感觉ac都可以呢 The American spaceship took a man into space.(变一般疑问句 【英语】Could you please tell me _______? I've lost her address.A. where did Carol live B. where does Carol live C. where Carol lives D. where Carol lived A [w ]can tell us time.填w开头的单词 求一个24等分和一个48等分的圆的图图越大越好,纯黑色,不要背景 7.8.怎么做我想知道到, 7.8.怎么做我想知道到, So far,china ____________ up man-made satelillites to space. china has sent several m ___ satellites to the space successfully Jake is (a ） my friend.根据首字母完成填空 kate is my good friend .同义句 kate is a good friend ( ) ( ) Kate is my good friend .同意句Kate is a good friend_____ ______. The tallest man in the world is nearly 2.87 metres in ____(高) A man in the USA was 2.72 metres tall.对 2.72 metres tall提问____ _____ _____ a man in the USA l cannot------ the tallest man"s name.l only know he is 2.72 metres in------A thank about;high B think of;high C think of;height D think over; height 英语翻译如果你坚持锻炼,你就会更健康If you ___ ____ ____ ,you will be healthier 英语口语四人小对话英语口语四人（两男两女）小对话 一分钟左右要初一上学期的（期中的） 要好记一点的哦 （英语） 英语书信中结尾的“yours”什么意思? 为什么英语书信中结尾是Yours 加上一个副词,这是什么语法规则啊?看不懂, 信件结尾yours simevely是什么意思? 哪些书好看.写些诗词.适合十四岁的女孩子读的.安如意全集.纳兰容若的词都可以