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跟可可背精美短文 第7篇:Bacteria细菌
在线试听和英语短文Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a2008-11-12 编辑:alex 标签: 我来听写
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跟可可背精美短文 第6篇:Archaeology考古学
在线试听和英语短文Archaeology Archaeology is a source of history, not just a humble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to w2008-11-11 编辑:alex 标签: 我来听写
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跟可可背精美短文 第5篇:Animals' Compasses动物的罗盘
在线试听和英语短文Animals' Compasses Researchers have found that migrating animals use a variety of inner compasses to help them navigate. Some steer by the position of the Sun. Others navigate by2008-11-10 编辑:alex 标签: 我来听写
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跟可可背精美短文 第4篇:Andrew Carnegie安德鲁·卡内基
在线试听和英语短文Andrew Carnegie Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and, in the process, became one of the wealthiest men in America. His su2008-11-09 编辑:alex 标签: 我来听写
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跟可可背精美短文 第3篇:American Revolution
在线试听和英语短文TheHistoricalSignificanceof American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to repre2008-11-08 编辑:alex 标签: 我来听写
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跟可可背精美短文 第2篇:American Black Bears
在线试听和英语短文American Black Bears American black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these bears have shiny black fur, but in the2008-11-07 编辑:alex 标签: 我来听写
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跟可可背精美短文 第1篇:A Rare Fossil Record
A Rare Fossil Record 跟可可背精美短文 第1篇:A Rare Fossil Record 罕见的化石记录A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, del2008-11-06 编辑:alex 标签: 我来听写
英语听力资料下载
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治疗蛀牙的新办法(上)
人体是一种神奇的东西。 -
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有了人工智能还需要学外语吗?
一些人担心,应用程序正在将习得语言变成一种日益衰微的追求。 - 3
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