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Its easy to see that some plants change from day to nightflowers open and close, and even turn to face the sun. In 1880 Darwin noted that the leaves and seedlings of various plants appeared to engage in nighttime changes that he called sleep. But the

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By Ndimyake Mwakalyelye Washington 27 March 2008 When talking about paintings and contemporary art, names such as Pablo Picasso, Georgia O'Keeffe, Vincent Van Gogh and others often come to mind. But, as we are about to show you, there is a whole body

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The ancient singer went lamenting through the forest heard the birch wailing Now drawing nearer he asks the sacred birch tree Why art thou weeping? Giving wood a shape of a harp Weep no more thou sacred birch tree grieve no more, my dear friend and m

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Lesson 23 Understanding 第23课 理解 A:Where on earth are we? A：我们到底在哪里？ R:We're close. I can feel it. R：快到了，我认为是。 A:You've been saying that for an hour. Pull over here,and I'll ask that man. A：你一个小时

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HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. This week on our program, we play some new music by Diane Birch And answer a question about a well known children's doctor .. But first, we report about how young peo

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By Paul Sisco Washington, DC 22 November 2006 watch MADD report In the United States, a group called Mothers Against Drunk Driving, or MADD, has led the way to safer roadways. The group's latest campaign would mandate proven technology to save lives

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After the hour was up, I rolled down my window, and I checked for mama grizzly. 一小时的时间到了之后，我摇下了车窗，看看灰熊妈妈还在不在。 Oh good, she's over there eating her huckleberries. 哦太棒了，她在挺远的地

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And then in later experiments, we found the opposite, 而在随后的实验中，我们发现了相反的情况， that fir was sending more carbon to birch than birch was sending to fir, 花旗松给纸皮桦送的碳比纸皮桦给它的碳多， a

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Now Im on the lookout for fuel for a nice warm fire. Therere loads of these birch trees around here, and these are what Im looking for. I can tell theyre birch just because of the way theyre silver-limbed. This time of year in the winter, all the lea

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Its among the most famous race courses in the world, but here in Aintree and alteration to the fences has been described by organizers as the biggest change in the history of the Grand National. The jumps will still look the same, but beneath the spi

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剑桥雅思11发售后，很多同学都争相购买，老师们也是加班加点看新题，当下命题趋势变幻莫测，全靠剑桥系列指引方向。今天方振华老师为同学们带来剑11阅读生词文章注解。 stride 进步 ste

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The skis are taking the quick way down,and I'm hoping a birch tree will get me down just as fast. 把雪橇扔下去 这样更快 我希望桦树也能让我快点下去 The plan is tenuous,grab the top of the tree and use my weight to bend it over. 计

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I'll get in touch with Scott again tomorrow. 我明天会再联系斯科特 See if we can push this forward faster. 看能否改变局面 Thank you, Remy. 谢谢你，雷米 But you gotta let me do this my way. 但你得让我用自己的方式去干

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1. Imagine you're walking through a forest. I'm guessing you're thinking of a collection of trees. Yes, trees are the foundation of forests, but a forest is much more than what you see, and today I want to change the way you think about forests. You