1(x^2-x+1)的n阶求导

sing的过去式是什么? move/come/return/go to 区别rt 有例句 come to和go to区别 梦到螃蟹我在草地上看到一只螃蟹,后来有人告诉我如何能抓到它,我就试着去抓.我抓这只螃蟹的本意,只是觉得好玩.没想养着它,觉得它可以吃.但是这只螃蟹总想攻击我,后来抓到了,我把它放 梦见螃蟹夜里梦见去河边玩耍,看见石头下面很多大螃蟹,我很想去捉,可我老公不给捉,我们就回家了.请问是表示什么呢?注：最近投资了一个软件,我舍不得那几万块,老公就劝我买,说赚钱,我也 “坏蛋；坏人”用英语怎么说 Enjoy your stay here.翻译 I am 1.56 meters this tear,I was 1.53 meters last year改为同义句知道请告诉我,谢谢!I am _____ centimeters _____than I _____ last year This is the largest clock in the world,____the minute hand is six meters long.A.where B.of which C.which D.whose 应选什么?为什么? to go和going有什么区别有时候好像可以互相调换.有时候又不能.还有要怎样决定介词to和for在什么地方用? What will your friends say to you when you make great progress? be going to 用法疑问例子: I am going to the great wall next week.此句是否有问题? I am going to visit the great wall next week.这样应该是没有问题的. 或者说: I am going to the great wall now. 现在进行时用法? 不 He______by us to make great progress.A.is expected B.expect C.will expect D.expected 怎么填? After a lot of p ,you will make great progress.那个p后面添个单词 怎么填急1! We need to buy （two bags of ）salt for it. 对括号里的提问___ ____ _____　　 　　 　 　　　 do you need to buy for it? 对划线部分提问we need two glasses of milk two划线 Two bags of rice( )on the tableA.is B.are 大家帮忙找几句经典的英语对白!急用~ 用have a great time造句 Have no time to do造句初一至少5个 CNN ,VOA,CRI 那个联系听力更好些?如题我现在英语听力还可以，听VOASPECIAL 和VOA 那个更好些，CRI＝CHINA RADIO INTERNATIONAL 英语翻译下面两句话哪句是对的?指出错误之处!what's the impact the stock market have on the economywhat impact do the stock market have on the economy have a impact on 和have an effect on用法上有什么区别? have an impact on造句 have impact on帮我划一下句子的成分.The theory will have a impact on the reasearch which puzzles scientist for quite a long time. Susan is absent from today’s writing class.-_____ As far as I know,she has neverA.How come?B.Never mind.C.Is that true?D.How dare she? 有没有可以英语对话的软件? “满纸荒唐言,一把辛酸泪.都云作者痴,谁解其中味.”是我国哪部古典文学名著的开卷诗 满纸荒唐言 ,一把辛酸泪.都云作者痴,谁解其中味.这是我国古典文学名著 的开卷 满纸荒唐言,一把辛酸泪.都云作者痴,谁解其中味.这是我国古典文学名著（ ）的开卷诗.作者是（ ） "满纸荒唐言,一把辛酸泪.都都云作者痴,谁解其中味."这是我国古典文学名著《》的开卷诗,这本书的作者 “满纸荒唐言,一把辛酸泪.都云作者痴,谁解其中味.”指有关的文学名著《 》.