This is Scientific Americans 60-Second Science. Im Cynthia Graber, this will just take a minute. For generations, nearly all medical research was done on men. And the assumption was that whats true for men is true for women. Now of course we know tha

发表于:2018-12-24 / 阅读(50) / 评论(0) 分类 Scientific American(五)月

Topics: American Authors Kurt Vonnegut; Famous Songs When You Wish Upon a Star; to knock up versus to knock down versus to knock over versus to knock off; new versus brand new; give and take Words: to capture to bomb journalist technology science fic

发表于:2018-12-26 / 阅读(27) / 评论(0) 分类 美语听力 English Cafe

Activity 1 Weather forecast A Listen to the weather forecast. Supply the missing information. Areas Weather conditions Temperatures Mexico City Mostly cloudy _____________ Buenos Aries __________________ _____________ La Paz Partly sunny ____________

发表于:2018-12-27 / 阅读(28) / 评论(0) 分类 Listen this way听力教程

By Jill Moss THIS IS AMERICA -July 29, 2002: National Museum of American History VOICE ONE: The Smithsonian Institution in Washington, D.C. collects, cares for and protects more than one-hundred-forty

发表于:2019-01-04 / 阅读(80) / 评论(0) 分类 This is America

This is scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Predicting a hurricanes strength and speed is crucial in order to save property and lives. Right now, the only way to get accurate information is to fly

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(四)月

It's, in short, how we learn what we know about other people and about the world. 简而言之,那就是我们如何了解到,我们对于其他人的认知,以及我们对于全世界的认知。 But we live in a 100-percent media-saturated so

发表于:2019-01-18 / 阅读(38) / 评论(0) 分类 TED演讲国际问题篇