单词：exact sequences
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Before you pay big money for caviar, check with two New York City high school students. Brenda Tan and Matt Cost worked with DNA barcoding experts at Rockefeller University and other researchers at the American Museum of Natural History to identify h
Scientific American(十二)月
HEALTH REPORT - Indonesia Passes Vietnam as Nation With Most Bird Flu DeathsBy Caty Weaver Broadcast: Wednesday, August 09, 2006 This is the VOA Special English Health Report. Indonesia Indonesia pass
2006年慢速英语（八）月
托福阅读长难句：岩层顺序 29. But as more and more accumulations of strata were cataloged in more and more places, it became clear that the sequences of rocks sometimes differed from region to region and that no rock type was ever going to
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th
Scientific American(七)月
《记忆碎片》是根据乔纳森诺兰的短篇小说《Memento Mori》改编而成的悬念影片，影片由克里斯托弗诺兰导演，盖皮尔斯、凯莉安妮莫斯、乔潘托里亚诺、小马克布恩等人主演。影片讲述了患有
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文本：By first I walked around, and I just kept pushing at different sequences of buttons. Then I, at some point, took out my wallet and tried to distract myself by reading the back of a football ticket I had. You know, I was yelling up and down t
英音模仿秀
by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal
数学英语
by Jason Marshall In the last article, we began talking about mathematical sequencesin particular, a type of sequence known as an arithmetic sequence. Today, were going to turn our attention to another type of sequence called a geometric sequence. In
数学英语
A tourist was visiting New Mexico and was amazed at the dinosaur bones lying about.
英汉幽默故事选读
At certain times there were prejudices against my skin but I never let it bother me because in the back of my mind I used to think I'll take care of the partner. Or just I'll beat your head in. 有时人们会因我的肤色心生偏见，但我毫不在
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