f(x)=e的负x平方幂函数

大熊座,小熊座,仙后座,北极星的绘图 大熊座与小熊座的区别 告诉你什么是矿泉水,天然水,蒸馏水,矿物质水,纯净水 市场上有各种饮用水：如纯净水、矿泉水、蒸馏水、矿物质水、天然水等等,请问它们之间的具体区别是什么? 英语翻译希望词语尽量通顺点,大概是这个意思就行.1.a little birthday wish...2.Its your birthday...3.for someone very special for every star in the sky...4.a birthday is special.especially when its yours!5.to my friend allthe little 下面这几句英语怎么翻译成中文?1.what a different man he is from what he was two years ago!2. i felt slightly disappointed at what he said to me;he could have been a little bit earlier though.3.the flood rushed through the streets and swe 英语翻译客户要求更改公司的付款人,请取消之前的申请重新开一张发票. 方程2x+1=7与a­3分之x‐4﹦0的解相同,则a的值是 6.8*6.8+5分之21*6.8‐6.8 0.3分之x­­‐0.02分之0.17‐0.2x=1 急 英语翻译 若|a­‐4|﹢|b﹢1|﹦0,求1∕2a﹢3b的值 已知a‐b﹦2分之一,ab﹦8分之一求­‐2a的平方b的平方﹢ab的3次方﹢a的3次方b 高中英语选择题一道四14,O(∩_∩)O谢谢He put his hand ___ her mouth to stop her screaming.A onB inC aboveD over 普通塑料桶装水可以饮用吗? 塑料桶装水有害处吗 塑料桶装水怎样去味 桶装水盖用什么塑料做的?五加仑桶装水聪明盖,用再生料可以吗? There are ___ rainforests than before.A.more B.less C.fewer D.fewwhich____,the plane or the train?A.go more quickly B.goes more quickly C.goes more quicker go D.go more quick what are you doing?I'm ___ the school life.A.think over B.think obout C.thi 15.On each job he avoided _____ people know who he was.A.let B.to let C.be let D.letting 16.In Germany,_____ with France,friendship is much more clearly a matter of feeling.A.opposite B.in addition C.in contrast D.related 17.My love for you is not de 问几道英语选择题第1题 单选题 We all feel sorry for _____ for so long after your arrival.1.keep you waiting 2.having kept you waiting 3.waiting for you 4.keep you wait 第2题 单选题 The manager has his employees_____ a business report 问几道英语的选择题1.They had a lot of fun during all those summers ._______ sometimes 1.Ann could not swim in the water because she was sick.这里是用but还是however?2.__________ two weeks 1.later 2.late 3.afterlater能放在这里的句 1.It is not who is right,but what is right,__C__is of important.A which B it C that D this2._C_ I saw only wilderness,they saw abundant signs of life.A What B When C Where D whereas 1.Could you tell me ( —Sure.The day after tomorrowA.when will you leave for the USA B.when Mr.Lee will comeC.when your father returned2.Franklin told them all ( ) to be in Britain again.A.he was how happy B.how happy he wasC.how was he happy D.he w 1,THE boy_ name is li ming is my classmate.A.WHO B.WHOSE.C.WHICH.D.WHERE2.where_john_?a,han been has gone b.did go;went c.has gone;has been d.did been;went3.the weather in wuhan is hotter than_in beijing.a.it b,one c,无.d that.4.now mike is not here 巧算二十四点3 3 7 7和4 4 7 7 巧算二十四点 比如6 6 6 6就是6+6+6+61 2 13 11 2 5 10 12 4 5 6 7 4 8 11 12 4 12 1 18 1 2 3 4 13 6 12 12 6 9 13 5 1 2 7 7 1 3 4 8 3 8 9 12 2 7 9 13 8 9 11 13 3 5 6 7 5 7 10 11 7 8 9 12 2 4 11 13 3 6 7 8 1 3 10 12 2 5 9 13 3 7 10 13 1 5 9 11 6 巧算二十四点 5678 2469 2369 喝净化水好还是纯净水好 家里喝什么品牌的纯净水比较好? 11.84-(5.84-5.32)+6.48巧算巧算巧算巧算 401×0.32怎么巧算