单词：Huckel's molecular orbtal method
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AMERICAN STORIES - The Californian's Tale By Mark Twain Broadcast: Saturday, December 10, 2005 ANNOUNCER: Now, the weekly Special English program, AMERICAN STORIES. (MUSIC) Our story today is called
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Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York
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A-B-C METHOD OF MANAGING ATTITUDES As an airport skycap checked through a customer at curbside, he accidentally knocked over the man's luggage. He quickly collected the fallen bags and apologized for the mishap. Unappeased, the traveler burst into a
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AS IT IS 2016-03-31 Justice Department Unlocks Shooter's iPhone The United States Justice Department says it has found a way to get information from an iPhone used by a shooter in last years mass shooting in San Bernardino, California. The Justice De
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我上个月坐火车到纽约去看朋友，上车后刚要坐下，旁边座位上的女乘客就开始很大声的自言自语，看上去精神好像不太正常，吓得我只好在过道对面远远地坐下。 后来我注意到，每次有人要
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
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Some people would say that the Englishman's home is no longer his castle; that it has become his workshop. This is partly because the average Englishman is keen on working with his hands and partly because he feels, for one reason or another, that he
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A cook named William is working on making a sweet treat. Another is busily preparing paella, made of seafood and rice. They and other cooks are moving around a big kitchen in a hurry. They are not getting ready to serve guests at a restaurant, howeve
2018年VOA慢速英语(四)月
Americans, Briton Win Nobel Chemistry Prize for Directed Evolution Two Americans and one Briton have won the 2018 Nobel Prize for Chemistry for developing new processes used to create drugs, chemicals and biofuels. Frances Arnold of the California In
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The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
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Pretty woman, walking down the street. Pretty woman, the kind I'd like to meet. Pretty woman, I won't believe you're not the truth. No one could look as good as you. (Mercy) Pretty woman, won't you pa
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By Sabina Castelfranco Rome 21 March 2006 South African President Thabo Mbeki began a three-day state visit to Italy aimed at strengthening relations in order to speed economic growth. His first meeti
2006年VOA标准英语（三月）
Indonesia Working to Soothe South China Sea Tensions Chinese patrols in waters that Vietnam and the Philippines also claim have heightened tensions in the mineral-rich South China Sea. Vietnamese protestors condemn what they call a Chinese invasion o
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Bus Travel In Nation's Capital Inspires Song Songwriters find inspiration in different - and sometimes unusual - places. Ren Moffatt, a Washington D.C. singer and songwriter, found it in the bus he travels to work on every day. The title of Ren Moffa
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President Barack Obama is deciding whether to fire his commander in Afghanistan after the officer, General Stanley McChrystal, and his staff made derogatory statements about the president and other senior administration officials. The comments were m
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New Alzheimer's Research Raise Hope for Treatment, Cure Scientists working to unravel the mysteries of Alzheimer's disease are excited by two recent studies. Both provide important new insights on how the disease spreads through the brain. Guy Eakin
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Lesson 85 Earn One's Living 1.I'm faced with the problem of earning my living . 2.I used to earn a living by teaching French . 3.They earn their living by playing the violin . 4.My uncle earns living with the pen . 5.How do you earn your living ? 6.I
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HEALTH REPORT - New Method to Find Alzheimer's Disease By Jerilyn Watson Broadcast: Wednesday, February 04, 2004 This is the VOA Special English Health Report. A computer picture of a brain affected b
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By Ron Corben Bangkok 15 February 2007 Democratic gains in Southeast Asia came to a halt last year, experts say, largely due to Thailand's September coup. As Ron Corben reports from Bangkok, regional analysts say there is more to democracy than elect
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