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设y=ax+b/x2+2的值域为[—1,—4],求a.b的值希望尽快得到解决 极限求值问题请问为什么上述式子可以成立呢? 婴尸 2002 THE UNBORN CHILD怎么样 写出表示声音的词语,小雨一一 与"霎时间"意思相近的词有什么!最好意思一模一样(10个) 写出三个和霎时间意思相近的词语? 数学几何题,外角 求谢公宿处今尚在,渌水荡漾清猿啼.的意思谢公宿处今尚在,渌水荡漾清猿啼.只要这一句的 谢公宿处今尚在,渌水荡漾清猿啼.这一句作用了典故?诗句出自诗仙李白的《梦游天姥吟留别》.我认为这句话只是提到,谢灵运的住所还在,并不是引用了什么典故.所以不能称之为用典. “中秋节当天几乎都吃月饼,月饼圆圆的外形像十五的月亮,味道很好”用英语怎么写? 香瓜子的作用是什么 香瓜子药用价值 香瓜的药用价值 一道初二几何题(外角)如图所示.在三角形ABC中.AD垂直BC于D,AE平分角BAC,且角C大于角B,求证角EAD=二分之一(角C-角B)http://hi.baidu.com/%BF%C6%D1%A7%B0%AE%BA%C3er/album/item/61d1f01fd72801b787d6b60b.html 2.按意思写出文中的词语.(1)心里不明白,不理解;困惑.( ) (2)形容忽然醒悟,一下子明白过来了.( ) (3)一个接一个,不间断.( ) Zheng Peng is a boy from China.的同义句是什么 +20积分求解两道单选I stayed in the hotel while in New York-Oh did you?You ____ with SueA could have stayed B could stay C would stay D must have stayed我认为选D但是错了,请指教It's high time the child___to the hospitalA is sent B wo 能从以下几个条件中选择2个作为条件 1个作为结论 写出一个真明题并证明吗?1.AD= CD 2.AE=CF 3.∠B=∠B 4.AD平行BC第三点是 ∠B=∠D +20积分求解两单选This is the school ___ I often tell you.A what B where C in which D of which请问一下这道题应该选什么?什么原因呢?希望 能详细一些,What should we do if it ____ tomorrow?A should snow B would snow C snow D +20积分求解一单选The bank is reported in the local newspaper ___ in broad daylight yesterday.A being robbed B having benn robbed C to have been robbed D to have robbed请问为什么选C啊,前面干吗要加个to? +20积分求解一道单选The bank is reported in the local newspaper ___ in broad daylight yesterday.A having been robbed B being robbed C to have been rubbed D to have robbed请问为什么要选择C啊 为什么前面要加个to? 零是负数吗小. 高中单选20题1.-Have you seen the film?-Yes.I ________it three times when I was in Tokyo.A.saw B.had seen C.have seen D.was seeing2.-The thief was caught ________his hand into the pocket of a passenger.A.to put B.to be putting C.putting D.put3.So 一物体做自由落体运动,在5S内下落75M,阻力为4N,求质量g取10 谁能证明这个没有条件的几何题?已知:只有图,没有条件(就是说那些点怎么拖动都可以).求证:图中A、B、C共线(如果没有平行线的话) 2009保险资格证书试题 一质量为2千克的物体受4N的力求物体从静止出发后5s时的速度 奇趣“海”字组词例:林的海洋叫“林海”,人的海洋叫“人海”()海()海()海 ( )生难( )填什么字 成语∶四()生(),括号里填什么字,谁知道的告诉我, evidence可数吗 大理石岩是什么颜色的 大理石跟花冈岩有什么不同