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设a大于0且不等于1若函数=a^2x+2a^x-1,在【-1,1】最大值为14求a的值 详解一道高一数学题解关于X的不等式（X-2）(AX-2)>0详解的,谢谢 20.---Look!How long______like this?---Three weeks!It's usual here that rain ________without stopping during this time of the year.A.has it rained;pours B.has it been raining;poursC.is it raining;in pouring D.does it rain;pours21.I've brought my tenni 广东省东莞市2012届高三文科数学模拟试题（一）A、B、C、D四位同学分别拿着5、3、4、2个暖瓶去打开水,热水龙头只有一个.要使他们打完水所花的总时间（含排队、打水的时间）最少,他们打 广东省东莞市道滘镇过年的风俗 作文 550字左右要道滘的,不要其他地方 英语翻译 英语翻译All facts ____ fallowing the Local police should be to blame for the victims of HongKong.A.added B.added to C.added up D.added up to2.Because he was smoking at work and was ffined by the boss he was ____ about it.A.worried B.glad 英语翻译With the help of new technology,you ____ e-mail your friends by mobile phone.a.must b.can c.need d.should 选哪个好?为什么?为什么开头第一个单词是with?这里的with表示什么意思? 英语翻译The policeman let the driver go ________making him pay a fine.A.rush though B.other than C.instead of D.contrary to 上海市2013-2014学年三校生相约在高职英语试卷救急吖 求2013年广东省珠海市数学中考第21道题答案 要详细过程 怎样查长安大学2013～2014学年度大一英语试卷答案（A卷） 2013-2014学年度第一学期期末教学质量评估六年级英语试卷的答案 几道英语选择题``麻烦回答一下1.I'll hold your horse while you get( ).a.in b.on...c.back2.We will do nothing further until we( )you.a.hear from b.give back c.take out3.You're not going out to play until you've ( )all your food up.a.put b.e 麻烦回答一下1.is ( )a book?回答是No ( )is notA.this,this B.that,that C.it,this D.that,it2.What is this( )English?it is ( )egg.A.in/ B.to ,an C.in,an D.on,a3.What are those?( )apple.A,Those are B.these are C.They are4.How do you spell( )name? 人教版高中英语必修一二单词如题好的追加分 新课标改革人教版高中英语必修5第一二单元单词表希望大哥哥,大姐姐能帮这个忙, 东莞市2010-2011学年度第一学期教学质量自查八年级物理试卷及答案记住一定要按照我说的,先答先得啊! 数学：2010/2010又2011分之2010=? 求东莞市2010-2011高一第一学期期末试卷（A）卷答案 北师大出版社高中英语必修三单词 英语填空4 4个英语填空. HOW I wish he _____(be) here now.It's going to rain,you should_______(take) an umbrella with you.We can d_______(separate into parts)them into two parts.The number of NBA players from China is ________(增加）every day 1,Compared to the small lake in my hometown the sea is really e__ 2,Being late for appointments is usually considered impolite.so forming a p___ habit is very important.3,He was an o__ and lived with his uncle.for his parents died in a car accident s 星火英语语法全解初中版好吗? 星火英语初中版可以提升我的英语吗、我看书上的意思,我不是很理解,那我看了对我的语法有帮助吗,我现在是初2. 1.已知函数F(x)=x平方+x+二分之一,若定义域为[n,n+1],n为自然数.问F(x)在植域中有多少整数?2.已知F(x)为二次函数,且F(0)=0,F(x+1)=F(x)+x+1 求F(x)?3.已知F(x)=2x+a,g(x)=四分之一(x平方+3),若g[f(x)]=x平方+x+1 求a 已知函数f（x）的定义域是｛x丨x≠0｝,对定义域内的任意的x1,x2都有f（x1x2）=f（x1）+f（x2）且x＞1,f（x）＞0.求证f（x）是偶函数 1.The ___ of his health is due to his strong will (improve)2.There is no longer on earth that is completely ____(universe)3.The general ____ his order to the officers by wireless last night (communication)4._____isn't everything in life ,you know (ap 4道英语填空.7.他们看到这个地区发生了巨大的变化感到格外吃惊.They are quite surprised __________________ in this area.8.为了解释得更清楚,我给他们看了一些图片._________,I showed them some pictures.9.他醒了 四道英语填空1.The young man _____(杀死) an old man last month.2.Could you tell us who the _____(write) of this book is?同义句转换1.How old were you when I first saw you?How old were you when I saw you _____ _____ _____ _____?2.The girl n