SD冠军锦标赛｜美国藤校演讲与辩论赛中国选拔赛

新东方优美背诵短文50篇 Unit31:British Columbia 31 British Columbia British Columbia is the third largest Canadian provinces, both in area and population. It is nearly 1.5 times as large as Texas, and extends 800 miles(1,280km) north from the United States border. It includes Canada’s entire west coast and the islands just off the coast. Most of British Columbia is moun...

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新东方优美背诵短文50篇 Unit21:The Origin of Sports 21 The Origin of Sports When did sport begin? If sport is, in essence, play, the claim might be made that sport is much older than humankind, for , as we all have observed, the beasts play. Dogs and cats wrestle and play ball games. Fishes and birds dance. The apes have simple, pleasurable games. Frolicking infants, school c...

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新东方优美背诵短文50篇 Unit46:Vision 46.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 to see well that to develop an acute sense of smell. In the course of evolution members of the primate line have acquired large eyes while the snout has shrunk to give the eye an ...

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