This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many scientists draw their concepts.For example, if we look at the work of somebody like Maxwell or Faradywe know they drew as part of their inventing

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(八)月

DIALOG 22 laurance--I give up!I simply can't learn French! soony--Why do you say that?I think you're making a lot of progress. laurance--No,I'm not.I try and try and I still can't speak it very well.

发表于:2018-12-26 / 阅读(50) / 评论(0) 分类 英语经典听力对话

Neil: Hello and welcome to 6 Minute English from BBC Learning English: the programme in which we talk about a story in the news and learn some vocabulary while were doing it. Im Neil and joining me today is Jen. Hi there, Jen. Jen: Hi Neil. Neil: Now

发表于:2019-01-07 / 阅读(60) / 评论(0) 分类 六分钟英语

2012年12月8日雅思听力考试回忆 12月8日雅思听力考情一旧三新 Section 1: 租房子的,全填空比较tricky的是第十题是两个空 同:V09131S1 Section 2:Guide of the United States (map) 关于美国的旅游景点,不同的

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 雅思机经

The Battle of the GUI 图形用户界面之争 At that time, Microsoft was producing an operating system, known as DOS, 微软当时已经开发出了DOS操作系统, which it licensed to IBM and compatible computers. 并授权给IBM和兼容电脑使

发表于:2019-02-15 / 阅读(45) / 评论(0) 分类 乔布斯传

Now, have any of y'all ever looked up this word? 好,你们中有谁查过这个单词? You know, in a dictionary? Yeah, that's what I thought. 用字典?是的,我想也就这个样子。 How about this word? Here, I'll show it to you. 这个单

发表于:2019-03-04 / 阅读(106) / 评论(0) 分类 TED演讲教育篇