Unit Ten Text Do animals think? How could the earth show so many signs of design and purpose and yet be random? Our best scientists are heatedly debating both sides of these and other scientific questions. In the following essay, the author takes a l

发表于:2018-12-04 / 阅读(69) / 评论(0) 分类 大学英语精读第六册

Animal Weapons Offer Lessons for Human Arms Race 动物武器对人类军备竞赛的启发 When animals fight for mates, food and territory, they use the weapons they were born with: teeth and claws, horns and hooves. Human animals can use their han

发表于:2018-12-16 / 阅读(28) / 评论(0) 分类 2015年VOA慢速英语(二)月

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 万物简史

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a push now to find the fuel of the future. Will it come from corn? Sugarcane? How about bugs? University of Florida entomologist Michael Scharf

发表于:2018-12-24 / 阅读(50) / 评论(0) 分类 Scientific American(十)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? Lots of animals build homes for protection. Think Beaver lodges and termite mounds. Hermit crabs, on the other hand, inhibit hand-me-down homes. But they rem

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(八)月

If you divide the Termites into two groups, with those born between 1903 and 1911 on one side, and those born between 1912 and 1917 on the other,将特曼人分为两组,把1903年至1911年出生的特曼人归为一组,然后再把1912年至191

发表于:2019-01-29 / 阅读(40) / 评论(0) 分类 异类:不一样的成功启示录