英文杂志-Tobacco

Being old is when you know all the answers, but nobody asks you the questions. (Anonymous) Six months before she died, my grandmother moved into an old people's home and I visited her there when I was in Britain. She was sitting in the living room wi

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Vines Overwhelming Trees in Rain Forests Tropical rain forests in the American Hemisphere and other regions of the world are changing rapidly. Studies conducted over recent decades indicate that increasingly, most of the trees in South and Central Am

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Anchor: (The) commercial Christmas Tree harvest has already peaked, a third of the Christmas trees sold in the United States are grown in the pacific northwest, Tom Banse reports on the challenges tree farmers face this year. Anchor: The holidays mig

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Moon and Jupiter 月球和木星 After traveling behind the sun for several months, the planet Jupiter is now visible again, just before sunup. Learn how to see Jupiter near the waning moon on Wednesday morning -- on today's Earth and Sky. JB: This is Ea

Earth and Sky:Sierra Treeline 山脊树林

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The ideal date depends on what the weather will do this year, never easy to predict. But there is some surprising help at hand. On the ceiling of the Songs' living room, a pair of red-rumped swallows newly arrived from their winter migration is busy

SSS 2009-08-11

Its been called the vine that ate the south. Kudzu grows so fast it can completely cover a cabin in the woods in a couple of days. The invasive plant takes over another 150,000 acres every year. Which costs another $6 million to control. But plant pa

SSS 2011-08-10

Invasive species get a bad rapbut we humans are usually to blame for their spread. Take Japanese stiltgrass, an invasive that arrived from Asia nearly 100 years ago as a packing material for porcelain. When it creeps into forests, it forms dense carp

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TED演讲:树木之间如何交流(9)

Mother trees colonize their kin with bigger mycorrhizal networks. 母树通过更大的菌根网络来覆盖住自己孩子们所在的区域。 They send them more carbon below ground. 在地下，它们给孩子们会送去更多的碳。 They even

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Johnnys orchards kept him busy year-round. Every fall, Pennsylvania farmers took their newly picked apples to the cider mills. So thats when seeds were plentiful. Johnny usually collected a couple of bushels of them from the mills. During the winter,

Who Was Johnny Appleseed 苹果核约翰尼

Johnny Appleseeds real name was John Chapman. He earned his nickname by planting thousands of apple seeds in Americas Midwest. For this, he became a legend during his own lifetime. Johnny Appleseed was best known as an apple lover, but he was many ot

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16.The early railroads were........the existing arteries of transportation: roads,turnpikes, canals,and other waterways. A.those short lines connected B.short lines that connected C.connected by short lines D.short connecting lines 答对率：50% 答案