单词：unflattens
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When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr
2016年Scientific American(十二)月
Unit 72 E-mail Is Here to Stay Is e-mail a blessing or a curse? Last month, after a week's vacation, I discovered 1,218 unread e-mail messages waiting in my inbox. I pretended to be dismayed, but secretly I was pleased. This is how we measure our wir
英语流行话题阅读：语境识词4500
The arrival of the P-waves in Valparaiso feels like a long sonic boom. Windows and buildings shudder. Some of the P-waves shoot up into the atmosphere, emitting a frightening roar. The secondary waves follow, carrying most of the earthquake's energy.
国家地理2007年
By Steve Mort Fort Lauderdale, Florida 13 September 2007 Parts of the United States are facing a shortage of sand, and officials are working on innovative ways to fix the problem. In Florida, experts say beach erosion caused by a rising sea level and
2007年VOA标准英语（九月）
Company's Fortunes Rest on Cookies The rush begins in the morning at the Tsue Chong factory in Seattle, Washington's International District. Every day, dozens of cars pull up to stock up on the golden brown cookies with a saying inside. Customers com
VOA标准英语2011年(十一月)
Born Again: The Reincarnation of a Plastic Bottle Weve seen bottles on shelves, tossed into bins, bundled into bales and shredded and dumped into bags. This whole process spans hundreds of kilometers, and now, the rebirth of a plastic bottle. This is
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在今天我们要讲的两个习惯用语里，一个关键的字就是：Steam. Steam就是蒸气。有的人说，詹姆斯.瓦特在1769年发明了蒸气机。这是现代化时代的开始。在工业化时代的初期，蒸气为火车，轮船和
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练习口语没内容？其实每个词组都可以说成一句话，但是这些词组都有什么意义呢？下面就跟小编一起学习如何就四级口语进行备考吧，希望可以对大家的备考有帮助。 动词词组 1. Get away wi
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32See, a king will reign in righteousness and rulers will rule with justice. 2Each man will be like a shelter from the wind and a refuge from the storm, like streams of water in the desert and the shadow of a great rock in a thirsty land. 3Then the e
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Dialogue 1 Mark: Well, Jingjing, we sure picked a nice day for a hike. 马克：京晶。我们确定要挑个天气好的日子去远足。 Jingjing: Yeah, this reminds me of the time we went up to the Great Wall. 京晶：是啊。这让我想起了我
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