比喻分为哪几种

求不定积分∫(dx)/√(1+e^2x)=?如题,求详解QAQ! 考英语四级买王长喜还是买星火?四级的真题和相关辅导书种类繁多,到底哪种才最实用?尤其是对听力特别有帮助的.我听力超烂. 英语作文必修一高一必修一unit1的题目是 1/[(e^2x-1)^1/2]dx 求不定积分 考大学英语四级选星火的好还是王长喜的好? 四级英语 星火 泸江 长喜 四易 我用都过咯 但有些却没过 为什么 哪个准确 请问星火有出版专门为考四级英语所设计的被单词的书吗? （A）1.Henry has come in his raincoat and boots,____for rain.A.prepared B.preparing C.to prepare D.prepares 他找不到他的书了.翻译成英文? 20.I don’t think Chris will ____ of winning the race.A.get out of the way B.stand in the way C.use a chance D.stand a chance 我想背英文单词,但找不到书可以介绍一本书给我吗? They don't act __1__ the romantic ways that I read in books or I see onTV.Sending flowers to each other on Valentine's Day is even more____2___.1.A.in B.on C.with D.for2.A.no problem B.out of questionC.out of the question D.in question为什么第一 已知y关于x的函数y=(m-2)x-3x+m²+2m-8的图像经过原点,求该函数的解析式. 已知y关于x的函数y=（m-2）x平方-3x+m的平方+2m-8的图象经过原点,求该函数的解析式 是到证明题 证明函数f(x)=x+1/x 在（0,1)上是减函数 写全点儿 高中人教版英语必修一Unit2单词表 加急额 第一单元 不是honest开头的那个版本最好全套单词表 原装版式 卸了 高一必修1英语unit2单词 急求09版高一人教版英语必修一上Unit2单词录音 设函数fx=sinx-√3cosx+x+1 1.由函数fx在x=0处的切线方程 2.记△ABC的内设函数fx=sinx-√3cosx+x+11.由函数fx在x=0处的切线方程2.记△ABC的内角A.B.C的对边分别为a.b.c.f'（B）=3.且a+c=2.求边长b的值 英语四级求解.买过星火整套的进太多了,刚才找了一下星火英语.谁知道这么多.我是大专生.大一刚开学,英语从来都不好.高中都没学.音标都认识不全.想在2011年12月前过四级.之前的两次试试吧 英语语法题目,要理由1：He couldn't remember＿＿＿＿＿A:what was the formulaeB:what the formulae wasC:what were the formulaeD:what the formulae were2:I'd like to have ＿＿＿＿＿＿＿with you sometime this week about your approachin 请教一道英语语法题,要理由!Mayor Feinstein didn't seem ________ very much.A.able to please anybody B.pleasing anybody C.pleased anybody D.to pleasing anybody 1：More than one child here＿＿＿ (be) infected with measles.2:Dancing nad skating ＿＿＿(be)my favorites.3:Weeping and wailing ＿＿＿(do,does) nothing towards solving the problem.4:The golden foliage ＿＿＿(constitutes,constitute) a bea 不要理由21.China has made great progress __ science and technology since 1978.A.on B.in C.to D.at22.You __ park here!It's an emergency exit.A.wouldn't B.needn't C.couldn't D.mustn't23.The book has been translated into thirty languages since it __ 请教一道英语语法题,给出理由!If you had studied harder in those days,you ____ a top student now.A.should be B.could have been C.would be D.might have been 帮我看一下这篇英语作文,有没有语法错误This year's volunteer activites is different of in former year,very full of meaning.We went to visited a countryside school ,that is a quite beautiful but a poor place.We talked to with there ch 看一下这篇英语作文哪里有语法错误?In the zooIn the zoo,I see some animals.Look there,two tiger is fighting.The panda is sleeping.The monkeys are climbing trees,they are good climbers.The high giraffe is running.The elephants are walkin 帮忙修改一下这篇英语作文中的语法错误急求 谢谢了 改6个错误的 追加100分Ladies and gentlemenWelecome to our school All of our school student are happy to see you can visit our school .We think if you visit our school,we c 六年级英语演讲稿1.My holiday(我的假期） 2.My hobby(我的爱好） 3.My family(我的家庭) 4.My friend（我的朋友） 5.how should we obey the rules（我们如何遵守规则） 6.Four seasons（四季）六个任选一个,要英 求星火英语四级模拟试卷 那十套题的听力MP3 我光盘竟然用不了 2014年星火英语四级3套试卷听力一样吗 英语作文【急】中文变英语【急】Mary是一位美国女学生,去年来到你校.你跟她相处得很好,不久便成了好朋友.Mary对外语有浓厚的兴趣,汉语讲得很好；她擅长数学,勤于作业；化学课上喜欢做