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[跟可可背精美短文] 跟可可背精美短文 第4篇:Andrew Carnegie安德魯·卡內(nèi)基
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[跟可可背精美短文] 跟可可背精美短文 第3篇:American Revolution
在線試聽(tīng)和英語(yǔ)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 編輯：admin
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[跟可可背精美短文] 跟可可背精美短文 第2篇:American Black Be
在線試聽(tīng)和英語(yǔ)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 編輯：admin
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[跟可可背精美短文] 跟可可背精美短文 第1篇:A Rare Fossil&nbs
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[新東方優(yōu)美短文背誦] 新東方優(yōu)美背誦短文50篇 Unit50:CellsandTemperature
新東方優(yōu)美背誦短文50篇 Unit50:CellsandTemperature50. Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective2007-07-20 編輯：admin
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[新東方優(yōu)美短文背誦] 新東方優(yōu)美背誦短文50篇 Unit49:Sleep
新東方優(yōu)美背誦短文50篇 Unit49:Sleep49 Sleep Sleet is part of a person’s daily activity cycle. There are several different stages of sleep, and they too occur in cycles. If you are an average sleeper2007-07-20 編輯：admin
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[新東方優(yōu)美短文背誦] 新東方優(yōu)美背誦短文50篇 Unit48:Bacteria
新東方優(yōu)美背誦短文50篇 Unit48:Bacteria 48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micr2007-07-20 編輯：admin
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[新東方優(yōu)美短文背誦] 新東方優(yōu)美背誦短文50篇 Unit47:Folk Culture
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[新東方優(yōu)美短文背誦] 新東方優(yōu)美背誦短文50篇 Unit46:Vision
新東方優(yōu)美背誦短文50篇 Unit46:Vision46.Vision Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to2007-07-20 編輯：admin
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[新東方優(yōu)美短文背誦] 新東方優(yōu)美背誦短文50篇 Unit45:The Source
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