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英语翻译您好,我是XX公司的业务员.现在我们公司正进行Led灯的促销活动.同时,有很多新产品上市. 设a∈R ,若函数y=e^x+ax（x∈R）的极值点小于零,则a的取值范围是? 江苏省南通市2013届高三第二次调研考试生物试题 选择题第九题和解答题第30题第1,2问, breakast with scot 哪位大神可以提供一下,必修二生物导与练答案… BREAKFAST WITH TIFFANY怎么样 Before we dive into the animations,we should look at whether the standard skeleton will provide for our needs.If it will,then we can move straight on to the next step.If it won't then we need to consider if an extra bone would do the trick.It is defi 设f(x)在x处可导,a b 为常数,则lim [f(x+aΔx)-f(x-bΔx)]/ΔxΔx→0的值为_____ （a+b）f'(x)设f(x)在x处可导,f(X0)=0,则lim n·f(X0- 1/n)n→∞的值为____-f'(x0) 已知函数f(x)=(x^2+ax)e^x(x属于R)在x=√2时有极值(1)求f(x)的解析式(2)求y=f(x)单调区间及最小值 已知函数f（x）=（1/3）x^3-ax^2+1,（a属于R）1.若曲线y=f（x）在（1,f（1））处的切线与直线x+y+1=0平行,求a的值2.若a>0,函数y=f（x）在区间（a,[（a^2）-3]）上存在极值,求a的取值范围3.若a>2,求证函 my father ---- the business when he was 30years old.(started,began.) 高一英语单项选择：I don't mind ____ alone,as I'm not good at communicating with others.A.leaving B.not to leavingC.to be leftD.being left答案是A,但是我本人觉得是D啊,还是说mind后面有什么要求吗? my father was playing football ------my mother was going shopping中考题 while when however I am not good at communicating with others .另外如果把这句话中的communicating改为communicate这句话对么? 《家》摘抄点评 原文+点评 五组左右 悬赏分可附加 求《家》中十段心理描写,最好简单点评 解释下列自然现象.1.筷子在水中会“折断“2.流星华过晴朗的夜空.3.雨后出现彩虹! 《西游记》复习资料（填空） 一、作者及评价：《西游记》是 朝著名小说家 .本《西游记》复习资料（填空）一、作者及评价：《西游记》是 朝著名小说家 .本书的一句话评价是：.二、主 定语从句：Those ---want to go please sign their names here.AwhomBwhichCwhoDwhen Romeo's amatory speech. they didn't work on it anymore.如何改同义句 Google-speech-to-text It's raining,but they go on____(work) microsoft text-to-speech engine是什么,有什么用,怎么用,可以删除吗 谁知道Text to speech 都有哪些应用? 本人已写了词之上阕,诚挚邀请朋友补充下阕红樱绿柳,满园尽是翠竹雨露.彩云流月,云河深处,风箫声动人家.留恋间,千转涟光水波碧,百鸟鸣啼俏朱颜.叶黛弥散,殷花纷飞,不知时已暮. 高中英语阅读一篇求答案I received a call today asking if I would be willing to bring food to a family in need.The mother was having a major operation and would be lying down for several weeks.Of course,I responded with an immediate “yes! 有没有人觉得雅思考试那天作文至少7分,出来分数却只有5.5的?作文写完之后,感觉跟饱满,觉得至少是7分,可是出来的分数却只有5.5,有人这样吗? 2014.4.12 雅思小作文是神马~ LIGHT IN THE ATTIC怎么样 A LIGHT IN THE ATTIC怎么样 英语翻译