This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

Grammar Girl here. Listen up, everyone! Todays topic is phrasal verbs, as in to listen up. And now, guest-writer Bonnie Trenga writes, a listener, Paulino from Minneapolis, would like to know what phrasal verbs are and why they are called that. Phras

发表于:2019-01-02 / 阅读(59) / 评论(0) 分类 英语语法 Grammar Girl

After you have greeted your guests, you will begin to go through the main body of your presentation. It's very useful to have some visual aids - some slides, pictures or graphs that help explain what you are saying. Sometimes they can also help to k

发表于:2019-01-07 / 阅读(119) / 评论(0) 分类 英语讨论

An ant once leaned too far over the edge of a fountain and fell in-to the water.A dove was watching from a tree nearby.She saw that the ant could not swim so she plucked off a leaf and threw it down to him.He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(100) / 评论(0) 分类 趣味英语

One cold,frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather.A grasshopper,half dead with cold and hunger,came up to one of the ants.Please give me a

发表于:2019-01-26 / 阅读(122) / 评论(0) 分类 趣味英语

By Cynthia Kirk ENVIRONMENT REPORT -May 31, 2002: Coqui Frogs Invade Hawaii This is the VOA Special English ENVIRONMENT REPORT. Experts say the American state of Hawaii has been invaded by a small fro

发表于:2019-01-28 / 阅读(74) / 评论(0) 分类 健康与环境