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Nanotechnology

By Mario Ritter Broadcast: July 29, 2003 (THEME) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: This week -- a special

发表于:2018-12-01 / 阅读(172) / 评论(0) 分类 VOA2003（下）-发展与科学

VOA慢速英语 2007 1211b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Bob Doughty. On our program this week, we will tell about an environmental study of the recent wildfires in California. We will also tell how some wat

发表于:2018-12-01 / 阅读(114) / 评论(0) 分类 VOA慢速英语2007年（十二）月

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Today's society is a highly developed technological society. However, the shortcomings in the development process are obvious, such as: carbon dioxide, and environmental pollution. But the most serious should be the carbon dioxide problem. Now the pr

发表于:2018-12-01 / 阅读(111) / 评论(0) 分类 英语作文

NPR 2012-03-29

The US Supreme Court is expected to rule by June on the fate of the nation's sweeping health care law after hearing three days of arguments. It's really anyone's guess how the court will lean. Paul Clement, the lawyer for the 26 states seeking to hav

发表于:2018-12-02 / 阅读(89) / 评论(0) 分类 2012年NPR美国国家公共电台3月

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PartI Getting ready A: 1.Freezing point 2.Relative humidity 3.Calm 4.Barometric pressure 5.Wildly scattered 6.Shower 7.lows 8.Variable 9.Thunderstorm 10.Gales B. 1.the freezing point of water is 0 or

发表于:2018-12-03 / 阅读(81) / 评论(0) 分类 Listen this way听力教程

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Two adventurers hoping to make the first round-the-world trip using a solar-powered plane have successfully landed in Oman after launching the maiden leg of their global voyage. The two Swiss pilots have arrived in Oman after taking off yesterday fro

发表于:2018-12-11 / 阅读(44) / 评论(0) 分类 英语新闻

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发表于:2018-12-19 / 阅读(410) / 评论(0) 分类 雅思英语

SSS 2008-06-23

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(六)月

SSS 2011-09-28

This is Scientific American's 60-Second Science. I'm Amy Kraft. Got a minute? Out of control drivers aren't the only thing city cyclists have to worry about. New research suggests that cyclists are at increased risk of lung damage because of soot. A

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(九)月

SSS 2011-09-21

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(九)月

SSS 2010-03-24

Here are two seemingly unrelated facts. One: from the late 1940s through 1963, we tested atomic bombs in the atmosphere. Two: wine lovers are sometimes duped into spending exorbitant amounts for fake vintage bottles that werent from the year they wer

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(三)月

经济学人01:气候变化 终于来了好消息?

Science and technology. 科技。 Climate change. 气候变化。 Good news at last? 终于来了好消息？ The climate may not be as sensitive to carbon dioxide as previously believed. 气候对二氧化碳的敏感性可能低于先前的预期。

发表于:2018-12-31 / 阅读(53) / 评论(0) 分类 经济学人科技系列

VOA慢速英语20060530a

AGRICULTURE REPORT - Carbon Trading: How the Chicago Climate Exchange WorksBy Mario Ritter Broadcast: Tuesday, May 30, 2006 I'm Shep O'Neal with the VOA Special English Agriculture Report. Agriculture

发表于:2019-01-02 / 阅读(62) / 评论(0) 分类 2006年慢速英语（五）月

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发表于:2019-02-17 / 阅读(58) / 评论(0) 分类 经济学人综合

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发表于:2019-02-24 / 阅读(64) / 评论(0) 分类 学个词

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Climate change 气候变化 In praise of second best 次好方案获认可 A carbon price would be better, but Barack Obama's plan to cut emissions from power plants is welcome 为碳排放定价显然更为理想，但奥巴马的电厂减排方案依

发表于:2019-02-24 / 阅读(101) / 评论(0) 分类 经济学人综合

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Nor does abundance necessarily relate to importance. 风度与重要程度也不一定有关系。 Carbon is only the fifteenth most common element, accounting for a very modest 0.048 percent of Earth's crust, but we would be lost without it. 碳只居

发表于:2019-02-25 / 阅读(58) / 评论(0) 分类 万物简史

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D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(161) / 评论(0) 分类 实用英语

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发表于:2019-03-11 / 阅读(137) / 评论(0) 分类 GRE英语

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发表于:2019-03-11 / 阅读(141) / 评论(0) 分类 GRE英语
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