有机化学创意暑假作业

matlab里为何double型运算比int64型运算快很多代码1：tica = ones(1000,1000);b = 2*ones(1000,1000);for kkkkkk=1:100 c = a.*b;endtoc;tica = ones(1000,1000,'uint64');b = 2*ones(1000,1000,'uint64');for kkkkkk=1:100 c = a.*b;endtoc结 求 慎小嶷 《十天突破雅思口语 剑8版》 MP3 ,拜托啦,邮箱maxuanwei.6199@163.com...麻烦 求慎小嶷:十天突破雅思口语(剑8版)的MP3 有的发下,感激! zouyu13594804592@163.com 求慎小嶷十天突破雅思口语剑8版MP3音频!感激不尽! 邮箱cssyzxhtt@163.com I know how to cook some simple dishes because my mum showed me do some reading 为什么要用ing形式 回答：vegetable I did some reading.为什么是ing形式?vegetable I did some reading.为什么是ing形式?I saw a movie what test did Mary study for last night?为什么用for而不是at?写出I went to the beach的问句they camped by the lake it's a (m ) to me because i know nothing about it nothing's gonna change,you'll know,i always know 帮忙起一个有正式场合可以使用的英文名字?中文名字：ZHANG YI 我的名字一定要符合我的性格：大方（大大咧咧） 开朗 乐观 随和 阳光 如果好的话 可能会追加财富我明明是女生啊 求一个好听的可以终生使用的英文名字!本人性别女,处女座,小姓何名逸莓,求一个与我名字读音相仿的英文名! to have done有这个东西吗 有的话怎么用? When the clouds get heavy enough,the water falls back to the ground in the form of rain. 1.I've never been to Beijing,but it's the place _______.A.I most want to visit.B.in which I'd like to visit.请问B为什么不对?2.What is _____ ordered the English book?A.the lady's adress in Beijing who B.the adress of the lady in Beijing who请 嘉鑫叫什么英文名好听?家人和朋友都叫我嘉嘉~可以帮我取个与中文对映的英文名吗? It’s very kind ______ do us such a favor.A:for you to B:by you to C:of you to D:that you 英语翻译More and more companies are founded ,but there are not enough people to take these positions .全句是这样的.请问具体take these position是什么意思呢? the people who said he was not good enough were astonished to find that they were being taken over by a teenager求翻译 用prefer,have done,have been doing分别造句 英语翻译加入你叫王红 参加了学校组织的赴英国国际交流活动 目前 你在英国的朋友Sue家里 给父亲发邮件 要求 ：1、你对这次交流活动的感受2、你对居住的英国朋友家里的印象3、昨天的活 it depends 把一根长为30cm的木条锯成两段,分别作钝角三角形ABC的两边AB和BC（AB大于BC）,角ABC等于120度,若AC最短,则AB比BC的值为 英语基础好的如何再提高英语?英语学的好的亲们,你们是怎样再次提高英语的,特别是提高英语口语? 有一定英语基础?想快速提高英语使用水平,有什么好办法 What does your English look like?怎么答? were/was to have done 可以代替would/should have done 或者是不是只有were to have done 存在?没有was to have done 急求《晋书·王徽之传》翻译~!各路英雄好汉大爷大妈大哥大姐帮帮忙~不用太详尽,能弄懂文意即可~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~谢谢了~ 晋书,王徽之传’业上书言：‘自尚书近臣皆结舌杜口……非所以安国家也.’冲尝谓徽之曰：‘卿在府日久,比当相料理.’ 徽之初不酬答,直高视,以手版拄颊云：‘西山朝来,致有爽气耳.’解 如图所示：△ABC是一张锐角三角形的硬纸片,AD是边BC上的高,BC=40cm,AD=30cm,从这张硬纸片上剪下一张长HG是宽HE的二倍的矩形EFGH,使它的一边EF在BC上,顶点G H分别在AC AB上,AD与HG的交点为M.求证（1） 英语翻译从“徽之字子.一直到 “月余亦卒” ---Could you do me a favor? ---It depends on _____ it is. A.which B.whichever C.waht D.wahtever为什么选C而不是D呢? can you do me a favor为什么这里用do