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columbia刀 初中生应读的书籍最好是国内的!提出书籍的名字来! 初中生应读的书籍有哪些? 已知扇子的周长为20cm （1）试用扇形半径x表示其面积f（X） （2）求此函数的定义域,并作出图象 已知扇形的周长为20cm.试用扇形半径x表示其面积f(x),求此函数的定义域,并作出图像. It is completely arbitrary to just pick an edge like that and say that is when a kid is mature.这句话怎么理解? 《三峡》一文出自（ ）时期的地理学家和散文家（郦道元）写的《水经注.江水》, 老师布置一篇作文【这也是课堂】 求高手帮写写,要切合实际 字数在600-700左右,写得好会加分的 最好不要有错别字! 人与人互相帮助的作文字数700快急用 请以“身边的老师”写一篇作文.字数不少于400字.我们也可以以物为师,例如无声无息帮助你的书籍、字典.同样,我们还可以以事为师,例如前进中的挫折,生活中的教训.正所谓“不经一事,不长 我是认真的! By the rivers dark By the rivers dark 该怎样翻译?By the rivers darkI wandered on.I lived my lifein Babylon.And I did forgetMy holy song:And I had no strengthIn Babylon. 大箱橙子重80千克,比小箱橙子重60%,小箱橙子多少千克 天下谁人不识君? 天下谁人不识君 是谁说的出自哪里呢 天下谁人不识君是谁写的? 天下谁人不识君,中的君是指的谁?要名字! “LonelY Christmas”中文是什么意思? When will Bob___up tomorrow morning?（get）I will_a haircut for the meeting this afternoon.（have）Richard will__a haircut for the meeting this afternoon.(pack)When will Robert__his work?I want to see the film with him.(finish)Mr.Croft drove to L Do you like this picture ___ that one.A.and B.or C.of选择,并说出原因 9 –You are so luck .--What do you mean____that A for B in C of D and ”. I have never seen exciting match A.a such B.a so C.such an D.so an2.The mother almost jumped out of her skin when she saw a rapaid car towards her son.A.rushing B.rush C.to rushing D.to rush M40Y是啥培养基,适用范围是什么? [商务英语]商业发票里的Nos& 简写为 N/M 英语翻译我知道第二种表达比较地道,但是请大家帮忙分析一下这两种表达吧.为什么第一个没第二个好. 海滩沙细、水净、浪小,用英语怎么翻译? I really do miss that feeling是什么意思呢 （）have been trying every way to keep the balance of natureA.ManB.MankindC.HumanD.Human beings the human have not built a perfect relationship_____the nature yet.a.to b.with c.on d.at选什么...the human have not built a perfect relationship_____the nature yet.a.to b.with c.on d.at选什么?为什么? 请教reading in bed is something i enjoy 怎么翻译?为什么是 is something呢? We shouldn't just do __.A.the things what we enjoy B.the things which we enjoy C.something whichwe enjoy D.something we enjoy what is the difference betyeen 'enjoy to do sth.' and 'enjoy doing sth.'?