单词：paper wood
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Can Wood Be Stronger Than Steel? Researchers say they have created a new super-material in the laboratory. They say it is stronger, lighter and costs less than steel. 研究人员表示，他们在实验室中造出了一种新的超级材料。他们称
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本讲为2005年下半年新的教学内容，请对照教材听录音！ I heard him _sing_ (sing). I don’t like letters _written_ (write) in pencil. Such programs could teach the local people how
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第三课 木杆铅笔 Have you a lead-pencil? If not, I want you to get a loan of one, and to look at it very carefully. It is made of woodmost likely of cedar wood, for the wood of the cedar tree is much used for making pencils. 小朋友，你有木
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Cheryl: So, Nick, you've worked as an environmental scientist in Australia. Nick: Yeah, I have. I worked in my hometown in Tasmania, and in Tasmania, there's many environmental issues, particularly involving logging of native forests there. Cheryl: O
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三 名词的跨类及词义上的变化 名词虽有分类，但在不同的语境中会出现跨类的现象。名词产生类别变化后往往会导致词义的变化。 有些物质名词可以用作个体名词，例如：glass 玻璃 a glass 玻璃杯 copper 铜 a copper 铜币 paper 纸 a paper 报纸，证件 wood 木头 a wood
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民间艺术 Folk Arts 在阿美和丹尼尔逛夜市的同时，我们一起来看看他们的爸爸本杰明到哪里去了吧！ Listen Read Learn Assistant: There are many art craft items in this shop. I suggest you take your time, and you might find something you like. Benjamin: That
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