I'm going to clean the blackboard. But you can't do that. Why can't I? We haven't got a duster. Did you walk to the match? No. I went by car. Did John go by car, too? No. He cycled. Hello, and how did you spend the holiday? I played tennis till lunch

发表于:2018-12-17 / 阅读(43) / 评论(0) 分类 初级英语听力

This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute In the lab, female rodents sometimes terminate their pregnancies after being exposed to new males. Its called the Bruce effect, for researcher Hilda Bruce. Now a study i

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 Scientific American(二)月

Pollinators Shape Plants to Their Preference我的进化来自你的偏好 Honeybees are the charismatic microfauna of the pollination world. But flies, bumblebees, butterflies and mothsthey all pollinate, too. With varying degrees of success. The po

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 2017年Scientific American(三)月

Unit 16 Fixing up the place Vocabulary Task Answers/Script A I want a room that is soothing and relaxing ,not sterile. I want a nice thick braided rug and some lava lamps. I think Id like to get an overstuffed rattan chair. B I want a room that is us

发表于:2018-12-29 / 阅读(74) / 评论(0) 分类 大学体验英语听说教程

Project to Save Endangered Orchids Blossoms in Florida 佛罗里达开始拯救濒危兰花花种的计划 Many gardeners around the world consider orchids among the most beautiful flowering plants. There are more than 20,000 species of orchids, and

发表于:2019-01-14 / 阅读(36) / 评论(0) 分类 VOA标准英语2014年(五月)

I'm going to clean the blackboard. But you can't do that. Why can't I? We haven't got a duster. Did you walk to the match? No. I went by car. Did John go by car, too? No. He cycled. Hello, and how did you spend the holiday? I played tennis till lunch

发表于:2019-02-26 / 阅读(114) / 评论(0) 分类 初级英语听力新版