There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(123) / 评论(0) 分类 疯狂英语2001年

Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 Scientific American(二)月

Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A

发表于:2018-12-27 / 阅读(23) / 评论(0) 分类 英语时差8,16

Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak

发表于:2019-01-17 / 阅读(96) / 评论(0) 分类 2015CRI中国国际广播电台

雅思范文汽油价格和控制交通污染 题目: Increasing the price of petrol is the best way to solve traffic and pollution. What extend do you agree or disagree? What other measures do you think more effective? 范文: Bad traffic and in

发表于:2019-02-08 / 阅读(77) / 评论(0) 分类 雅思英语

How to Create Passion Anywhere and Anytime Remember Science class? Mr. Thatcher, sophomore year in high school, taught us about potential and kinetic energy. I was way more interested in Pam Miller, who sat perilously close to me. But on Mr Thatcher

发表于:2019-02-11 / 阅读(56) / 评论(0) 分类 阅读空间