虹影

as time went by 和as time go by 复变函数求定积分问题用留数求定积分∫R(Z)e^iazdz（从负无穷~正无穷）时,有一个条件是a＞0,但如果a＜0的话怎么求呢?可不可以通过x=-z这样的代换来求解? 复变函数 求实部虚部 求定积分(复变函数与积分变换) 复变函数定积分求解如图的复变函数（i为虚数单位）定积分求解,/> please come now怎么翻译 .A few years later,I found my hometown completely changed的中文意思 -What do you think of this room?--if there is no bigger one,this one will___a.fit b.do c.work d.right 为什么选b.do? how about this one? if there isn`t any bigger room I think this one will( ) A do B go C stay D work应选哪一个?为什么? () can help me with housework? He is often white shirt 这句话有错吗 Jack started to work at__early age because.Jack started to work at__(a/an/the/ /)early age because his family was very poor.. _____,he had to go to work on foot every day because his family was very poor.A.At the past B.To the past C.On the past D.In the past Jack's family is poor so he needs to work as a waiter in a restaurant after school这里为什么用“as” a waiter? 比如新浪译过来是sina...那么启浩译过来应该是什么呢?一定要有理由哦..（如解释为什么新浪译过是sina）那就解释为什么启浩译过来是***准备做网站域名. 最难读的英语单词是哪个? Jack started to work at an early age because his family was very poor这里an early age怎么解释?为什么这么用? 给个好的答复!或许总有你喜欢的话题,但是我总是找不到这个话题!用英语怎么说? II.Phonics 辨音(用T/F表示) doll door ( ) down rainbow ( )kilo drink ( ) here hear ( )castle answer ( ) theirs mouth ( )along cross ( ) cushion lunch ( )III.Fill in the blank with a proper verb (用动词的适当形式填空) An old woman lives 求英语大神回答,句子开头的动词为什么有些加ing有些不加?怎样判断英语句子是不是祈使句?怎样学好英语? 英语 that's kind of cloth used to be used to make shirts for children讲解be used to make 没错啦 但是原因是什么?老师讲过但是忘了. 英语翻译3.A:And how's Laura?Is she still sick?B:No,she's not.She's at work today.A:Oh,good.I mean,good she's not sick.请问最后一个good起什么作用,这个句子是个什么句,该如何翻译?4.A:Now,David.（这个now起什么作用,如 求助英语语法/口语/翻译达人,我有3个关于词组和介词的英语问题需要帮忙.【问题一】这个come at是什么意思,是词组还是动词+介词,找来找去没有“付出”类的词义,应该是分开的,求解答,再给 How much is the black and white I do not know what do you mean by your love 英语翻译前者常用,后者刚从一个美剧里看到,说have it easy的人以前都说take,一定有词义的不同,求俚语/习语达人解析 我名字叫雪莹.Cheri,Sheri,Sulri三个名字哪个做英文名比较好? this shirt is expensive 变为一般疑问句怎么改 每一场比赛都是献给Suri的 的英文翻译 有几个字不认识,拼音是什么? 他是什么字：殇.我不认识,希望大家能用拼音打出来