恐龙死亡导致鱼类增多

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It's a slow drip, but it's melting glaciers and we are to blame. That's according to a new research which finds the earth is now the hottest since it has been in 400 years and potentially the last 200

新东方背诵文选 L39 The Salinity of Ocean Waters

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause

SSS 2008-09-24

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

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考研背诵50篇——39 The Salinity of Ocean Waters

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

SSS 2010-04-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

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英文短文：The Salinity of Ocean Waters

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

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The Telescope 望远镜 When do you use a telescope? 你什么时候使用望远镜？ A telescope is long and tube sheet. It has lenses inside. 望远镜是长管状的薄片,里面有透镜。 It helps people see things far away. 它帮人们看远处

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By Carol Pearson Washington, DC 21 November 2006 watch Breast Implants report The U.S. Food and Drug Administration (FDA) has lifted its 11-year ban on silicone implants. But the decision is not without controversy. Silicone and saline implants The

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China's father of hybrid rice is planning to expand its production of sea-rice at a newly founded research center in Qingdao, a port city in the eastern province of Shandong, local sources said last Saturday. 据当地知情人士上周六透露，中国

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We wandered through a confusion of departments where people sat at large tables doing intent, 我们漫步穿过一个又一个部门，只见人们坐在大桌子跟前， investigative things with arthropods and palm fronds and boxes of yellowed bo

英语听力文摘 English Digest 175、药物与学习能力

When you experience something new, do you know what happens to your brain? Some of the neurons in your brain build new connections. The brain is rewired, as scientists often put it. Our brains are always changing, in response to new experiences or as

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In the 1830s, the British naturalist Edward Forbes surveyed ocean beds throughout the Atlantic and Mediterranean 19世纪30年代，英国博物学家爱德华福布斯勘察了大西佯和地中海各处的海床， and declared that there was no li

万物简史 第290期:砰!(25)

As one commentator has put it, fleeing would mean selecting a slow death over a quick one. 有一位评论家说，逃跑意味着在慢死和快死之中选择慢死。 The death toll would be very little affected by any plausible relocation effort,