反应时间测量

HOST: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. This week our program is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. (THEME) VOICE ONE: If you can read a clock, you can know t

发表于:2018-11-27 / 阅读(400) / 评论(0) 分类 VOA慢速英语2009年(十二)月

SCIENCE IN THE NEWS - Mystery of Time By Marilyn Christiano Broadcast: Tuesday, January 06, 2004 (THEME) ANNCR: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. This week our prog

发表于:2018-12-07 / 阅读(119) / 评论(0) 分类 科技之光

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(108) / 评论(0) 分类 2018年VOA慢速英语(十一)月

This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. This week our program is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. (MUSIC) VOICE ONE: A sundial at the state Capitol in Olympia, Wa

发表于:2018-12-15 / 阅读(116) / 评论(0) 分类 VOA慢速英语2008年(一)月

One of the Great Mysteries of Our Universe From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. I'm June Simms. Our program today is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. ??I

发表于:2018-12-16 / 阅读(105) / 评论(0) 分类 2013年VOA慢速英语(五)月

Time is One of the Great Mysteries 时间是最难解的谜团之一 From VOA Learning English, this is Science in the News. I'm June Simms. Our program today is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of tim

发表于:2018-12-16 / 阅读(102) / 评论(0) 分类 2014年VOA慢速英语(一)月

Dialog 1: Executive group(企业领导小组) F: Well. Have you had time to think over what we talked about? M: I made time(挤出时间), Ive spoken with our executive group. F:and did you reach a conclusion? M: Weve concluded that we have prospered by chang

发表于:2018-12-16 / 阅读(211) / 评论(0) 分类 VOA 商务英语

前元音:[e] 发音规则: 发音时舌尖抵下齿,舌前部稍抬起,舌位比[i:[低;舌形中长,开口度比[i:]大。发音时声带振动。 该音是字母e 或ea在单词中的发音。它是个短元音。 技巧提示: 发[e

发表于:2018-12-27 / 阅读(118) / 评论(0) 分类 英语国际音标

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(165) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 measure [ 5meVE ] Please measure me fo

发表于:2018-12-30 / 阅读(199) / 评论(0) 分类 每日攻克5词

This is the VOA Special English Economics Report. Economics and weather have a lot in common. Knowing what conditions will be like weeks or months in the future is not easy. One thing that helps economists predict the future is the index of leading

发表于:2019-01-11 / 阅读(121) / 评论(0) 分类 VOA慢速英语2007年(四)月

Are Children Taking Too Many Tests? Urban school systems in the U.S. give too many tests, says a new study. President Obama agrees. In an open letter to parents, he asks: Ive got a pop quiz for parents and teachers across the country. If our kids had

发表于:2019-01-12 / 阅读(175) / 评论(0) 分类 2015年VOA慢速英语(十一)月

ECONOMICS REPORT - Economic Conditions: Trying to Read the FutureBy Mario Ritter Broadcast: Friday, January 20, 2006 I'm Steve Ember with the VOA Special English Economics Report. Economics and weathe

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 2006年慢速英语(一)月

They will share the information on how to improve. 他们会交流如何改善治疗效果的经验。 So it is, by measuring and creating transparency, 正是通过医疗效果量化和透明化, you get a cycle of continuous improvement, 我们进入

发表于:2019-01-18 / 阅读(172) / 评论(0) 分类 TED演讲娱乐篇

This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. This week our program is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. If you can read a clock, you can know the time of day. But no one

发表于:2019-01-24 / 阅读(107) / 评论(0) 分类 英语语言学习

By Deborah Tate Washington 20 September 2007 Legislation to regulate U.S. troop deployment cycles in Iraq was blocked in the U.S. Senate late Wednesday by Republican opponents who argued the measure could undermine the war effort. The action was a bl

发表于:2019-01-31 / 阅读(158) / 评论(0) 分类 2007年VOA标准英语(九月)

Since the summer holiday comes, I have a lot of free time, as I stay at home all the time, my mother suggests me to take a part-time job, I am so willing to accept her idea, because I want to earn money by myself. I find a job as waiter, I have to wo

发表于:2019-02-03 / 阅读(113) / 评论(0) 分类 英语作文

That's how I've come to feel about the Yale experiencegrateful. I studied hard, I played hard, and I made a lot of lifelong friends. What stays with you from college is the part of your education you hardly ever notice at the time. It's the expectati

发表于:2019-02-14 / 阅读(183) / 评论(0) 分类 名校励志英语演讲

From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. I'm June Simms. Our program today is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. If you can read a clock, you can know the time

发表于:2019-02-27 / 阅读(207) / 评论(0) 分类 英语语言学习

NOW almost five years old, the economic crisis rumbles on. In order to assess how much economic progress it has undone, The Economist has constructed a measure of lost time for hard-hit countries. It shows that Greeces economic clock has been turned

发表于:2019-03-09 / 阅读(239) / 评论(0) 分类 经济学人综合
学英语单词
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automatic boiler control (abc)
aviling
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crossed rod type
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ory
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