标签：calculus 相关文章
With unemployment at a 26-year high as the grinding downturn wears on, many people are being forced into Job changes-if they're lucky enough to find new jobs. But for those still employed and managing their careers, there's a perennial question: How
闭着眼睛飘单词 六级词汇
She'll go to Davis-Monthan. From Davis-Monthan, she's actually going to board a Challenger aircraft.We had mentioned to you that the congresswoman's mother was going to be there, her husband, two members of her staff, her chief of staff, and also her
CNN2011年(一)月
You also see young people using the tools and the sort of genres of the Internet in order to create places for intellectual engagement, 你还发现年轻人在使用互联网工具，来创建可以进行知识交流的空间， instead of the ironi
TED演讲科技篇
[00:01.70]What? 什么？ [00:03.70]But so far, none in Evanston. 但是迄今为止，在伊云斯顿还一个也没有 [00:05.94]导演：马克沃特斯 [00:21.10]Hey. How was your first day? 嘿，第一天上学感觉如何？ [00:37.18]Is that
听电影学英语-贱女孩
[1]Shuttle Atlantis touchdown the Kennedy Space Center put the final time early this morning. The landing ended NASA's 30-year space shuttle program. The shuttle grand finale comes 50 years to the day after Gus Grissom became the second American in s
美联社新闻一分钟2011(七月)
Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor
走进剑桥大学
What was your first word? Chances are it was mama or papa, and for parents its always a favorite story to tell. But as toddlers start to develop their speech a little, some parents and family members like to have a little fun with them, and teach the
卡卡课堂早餐英语
Ze isn't just a great public intellectual, he's also a brilliant community builder, 泽不仅是一名出色的公知，而且是一名优秀的社团组织者， and the community of people that built up around these videos was in many ways a commun
TED演讲科技篇
But I learned what opportunity cost is. 但（通过这件事）我学会了什么是机会成本。 And along the way, the map of my life got better. 就这样，我人生的地图慢慢完整起来。 It got bigger; it contained more places. 版图不
TED演讲科技篇
7.much less , still less 引导的词组或丛句，表示一种追加的否定 less 是由 little 的否定意义而来的，所以这两个词组只能用于否定句中，意为“更不必说”。
英文名句短语
我为各位整理出英文面试最常见的五大问题，并且提醒各位一些回答的技巧，希望大家能针对这些问题多演练，当成练习英文面试的重点。 问题一：Could you please describe yourself?（能否请你形容
面试英语
Once in a great while, a few times in history, a human mind produces an observation so acute and unexpected that people can't quite decide which is the more amazingthe fact or the thinking of it. Principia was one of those moments. It made Newton ins
万物简史
Over one's head Over the hump 大家肯定都很熟悉英文里的over这个字。Over is spelt: 0-V-E-R. Over的意思是：在上面，但是这个字在不同场合有不同的意思。今天我们要
美国习惯用语
Syria A step too far 叙利亚 偏离正轨 If Bashar Assad really has used chemical weapons on his own people in a big way, America must intervene 如果巴沙尔阿萨德真的对其子民大规模使用了化学武器，美国必须干涉了。 Au
经济学人综合
But think back to that second settled statistics that showed what happened between September and June. Schools work. 回头看看第二个表格，显示的是9月到6月之间产生的差距。 The only problem with school, for the kids who aren't a
异类:不一样的成功启示录
They say boys don't cry 他们说，男孩有泪不轻弹 But your daddy shed a lot of tears 但爹地哭得不少 They say I should be a strong man 他们说，我应该坚强 But baby, I'm still filled with fear 但是，宝贝，我却害怕 Somet
听歌学英语
WASHINGTON Referendums went forward Sunday in eastern Ukraine in two regions seeking possible independence from Kyiv, despite widespread statements condemning the votes as illegal and illegitimate. The controversial votes were held as Ukraine prepare
英语新闻
Part two 第二章 Oral Prophylaxis 口腔预防治疗 What kind of toothbrush do you use, Mrs. Williamson? 威廉森太太，你用什么样的牙刷？ I use a soft brush. I don't remember the brand name. 我用的是软牙刷。我记不得身摸牌
口腔临床英语对话
Hello, I'm Sue Montgomery with the BBC News. The United States, supported by China, has introduced a draft resolution to the United Nations Security Council, designed to impose tougher sanctions on North Korea, following its latest nuclear test and m
中英双语新闻