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发表于:2018-12-01 / 阅读(195) / 评论(0)

用Mp3背六级单词

SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(190) / 评论(0)

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发现可以给手机充电的细菌

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens，found in the mud at Oyster Bay，Virginia，has been discovered to transfer electrons directly onto an electrode

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新视野大学英语视听说教程 4 Unit 5-13

Task 2: Before the cutback Script Barbara: Ive really got to think about my future. Youve heard of the cutbacks the managements making, right? Alan: Oh, yes. Ive heard it. But you havent anything to be concerned about. Barbara: Around here you never

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新视野大学英语：视听说教程 4

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Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(364) / 评论(0)

60秒科学

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

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'Blackacre': A Collection Of Poems About 'Searching And Being Buffeted' play pause stop mute unmute max volume 00:0002:27repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update you

发表于:2019-01-17 / 阅读(142) / 评论(0)

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Hegel, Georg Wilhelm Friedrich 1770 -- 1831Idealist philosopher, born in Stuttgart, Germany. He studied theology at Tbingen, and in 1801 edited with Schelling the Kritische Journal der Philosophie (1802--3, Critical Journal of Philosophy), in which h

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