单词：homology group of chain complex
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本讲为 2006 年下半年新的教学内容，请对照语法、教材、练习册听录音！ Text B Return of the Chain Gang 重点词语 deny v./ n. 否定，否认；拒绝接受，拒绝给与
自考英语（二）60讲
Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w
英语语法 Grammar Girl
What if you could wave your phone over a piece of fish at a store and immediately see a record of its path through the supply chain? 如果你在商店里把手机在一块鱼肉上面晃一下，就能立即看到它在供应链上的路径记录，结
2017年VOA慢速英语(十一)月
This is Whats Trending Today Recently, the operators of a bookstore in Southampton, England made an unusual appeal to people in the community. They sought help moving books and other things to the stores new location, a short distance down the street
2018年VOA慢速英语(十一)月
AS IT IS 2014-05-06 Looking for Vaccines Outside the Cold Chain Hello, and welcome back. I'm Jim Tedder in Washington. Today we will help you improve your American English while giving you some new information about medicines. This is the kind of thi
2014年VOA慢速英语(五)月
Top 5 Songs for Week Ending Sept. 24 Were saluting the five most popular songs in the Billboard Hot 100 Pop Singles Chart, for the week ending September 24, 2016. The countdown catches its breath after a few active weeks, so you get a chance to hear
VOA标准英语2016年(九月)
[00:02.54]English Express [00:28.11]OAKA - The Athens Olympic Sports Complex [00:31.40]雅典奥运会场馆 [00:43.42]The Athens Olympic Sports Complex (OAKA) [00:47.09]is situated at Maroussi [00:48.97]and was the centre of the Olympic Games 2004.
轻松英语之旅
UNIT 34 NATURE (I) ANIMAL WORLD Lesson 67 Part I UNIT 34 NATURE (I) ANIMAL WORLD Lesson 67 Part I Warming-up Exercises Spot Dictation: Animals Unlike most plants, animals are living ____ that have the
英语听力入门 (全四册)
By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills
2018年VOA慢速英语(一)月
Were getting to know the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending February 11, 2017. The hit list gets a pre-Grammy shakeup this week, welcoming two new additions. Number 5: Zayn Taylor Swift I Don't Wan
VOA标准英语2017年(二月)
今天我们要学的词是 chain。Chain 除了大家都知道的，有锁链的意思，还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie
英语单词荟萃
COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found
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This is AP News Minute. Authorities called to a Walmart parking lot found 8 people dead and 20 others in dire condition in the back of a sweltering tractor-trailer. Police say they were victims of immigrant smuggling operation gone wrong. The driver
美联社新闻一分钟2017(七)月
Technology Report - Kony 2012 Becomes Most Viral Video in History 科技报道 - 科尼2012成为史上最热门视频 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Have you heard of Joseph Kony?
2012年VOA慢速英语(三)月
Technology Report - Inspections at Apple's Suppliers in China 科技报道 - 公平劳动协会对富士康中国工厂展开调查 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 A labor group has
2012年VOA慢速英语(二)月
The Asian Cup football (soccer) tournament kicks off in Doha, Qatar, Friday, January 7, with defending champion Iraq to play North Korea, Iran and the United Arab Emiterates in Group-D play. Iraqi football fans are also looking forward to 2013, when
VOA标准英语2011年(一月)
By George Dwyer Washington 10 April 2008 On Friday, 11April, a major cultural and architectural event is set to take place in Washington: amassive new interactive museum complex dedicated to the profession of journalism will open its doors to the pub
VOA常速英语2008年（四月）
这首歌于1961年发布的时候很受欢迎。连同他的和声组合Raelettes，查尔斯唱出了想离开一位不想让他离开的女性的感觉。这首歌在流行歌曲列表上达到了第九位，在RB单曲榜上排行第一位，同时
英乐时空
Topic1 Hidden Industry Chain Profit from E-WasteReports say from Beijing to Hebei to Guangdong, there is a hidden underground industry chain for electronic waste management with an annual production value of nearly 100 billion yuan. Is it a big probl
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