单词：ribose phenylhydrazone
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2.Microwave Tomato Sauce We've developed a simple microwave method of cooking tomatoes down for sauce. We cut out the stem ends and blanch the whole tomatoes in boiling water until the skins begin to split (about a minute), then plunge them into cold
听美文故事记6级单词
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
万物简史
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
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its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
英语听力文摘 English Digest
What rage then drove us against these monsters! 于是我们对这些怪物愤怒至极！ We lost all self-control. 我们再也忍无可忍。 Ten or twelve devilfish had overrun the Nautilus's platform and sides. 十几条章鱼侵入了鹦鹉螺号
《海底两万里》中英双语有声读物
Mythology seems to be all the rage these days. There have been films released recently, like 'Percy Jackson and the lightening thief', and 'Clash of the Titans', that have had a lot of people talking about mythology and what it means to us today. Oth
英语博客 A cup of English
By Mike O'Sullivan Los Angeles 01 December 2007 An Abu Dhabi-based real estate developer is launching an English-language reality show for the Middle East.As we hear from Mike O'Sullivan in Los Angeles, Sulaiman Al-Fahim, the chief executive of Hydra
VOA常速英语2007年（十二月）
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
Scientific American(十一)月
This is Scientific Americans 60-Second Science. Im John Matson, Got a minute? Imagine a pinball machine on multi-ball modeonly the balls are the size of planets. The early solar system was such a rough-and-tumble place. That chaotic environment produ
Scientific American(二)月
今天我们要学的词是in the zone。 In the zone, 意思是进入最佳状态。 He was in the zone throughout the playoffs, 整个季后赛他一直保持最佳状态。 Nobody can touch him when he is in the zone, 他一旦进入最佳状态，谁
英语每日一词
今天我们要学的词是in the zone。 In the zone, 意思是进入最佳状态。 He was in the zone throughout the playoffs, 整个季后赛他一直保持最佳状态。 Nobody can touch him when he is in the zone, 他一旦进入最佳状态，谁
英语单词荟萃
By Kurt Achin Panmunjom 14 December 2007 North and South Korean generals have failed to agree on the specifics of a proposal for cooperation between the two rivals. The latest round of high-level military talks has ended with no progress on creating
VOA常速英语2007年（十二月）
【内容简介】 斯蒂夫罗杰斯是出生于经济大萧条时期的一个家境贫寒的脆弱青年。因为看到纳粹在欧洲肆虐侵略的新闻而想入伍参军。但因为体弱多病被拒绝了。无意中得知了斯蒂夫罗杰斯真
英语口语
A fridge that talks to your washing machine and a television that instructs your dishwasher. It's all possible at CeBIT, the world's top high-tech fair。 But the question is: what's the point? Well, for example, you could be sitting on your sofa in
阅读空间
A fridge that talks to your washing machine and a television that instructs your dishwasher. It's all possible at CeBIT, the world's top high-tech fair. 冰箱和洗衣机交谈、电视向洗碗机下令在世界顶级高科技展会德国汉诺威通
实用英语
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
阅读理解除了要求正确理解事实细节的能力外，还经常需要考生根据一定上下文对某些词汇的意义 所读材料理解文章隐含的意义和深层次的含义、归纳文章主题思想、通过概括得出结论、综合
大学四六级阅读
Larry和李华明天要考试，今天一起复习，但李华一直没法专心。她今天会学到两个常用语：zone out和now you're cooking with gas。 LL: So Reaganomics were the economic policies of US. President Ronald Reagan - Li Hua? Ar
实用英语