VOICE ONE: This is Shirley Griffith. VOICE TWO: Carl Sagan And this is Steve Ember with the VOA Special English program Explorations. Today we tell about American scientist Carl Sagan. He spent much of his life helping make space travel possible far

发表于:2018-12-01 / 阅读(107) / 评论(0) 分类 VOA慢速英语2008年(十二)月

UNIT 4 Text A FRE-READING TASK Exercise 1 Before reading the passage, think over the questions. 1. Do you think there exist intelligent beings in outer space? 2. Is it possible to communicate with int

发表于:2018-12-04 / 阅读(110) / 评论(0) 分类 实用英语综合教程

EXPLORATIONS - Carl Sagan Helped People Understand ScienceBy Paul Thompson Broadcast: Wednesday, May 31, 2006 (MUSIC) VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember with the V

发表于:2019-01-02 / 阅读(30) / 评论(0) 分类 2006年慢速英语(五)月

(THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: Graphic Image And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about American scientist Carl Sagan. He spent much of his life helping make space travel p

发表于:2019-01-03 / 阅读(55) / 评论(0) 分类 2018年VOA慢速英语(九)月

By Paul Thompson Broadcast: July 20, 2003 (THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about Americ

发表于:2019-01-17 / 阅读(93) / 评论(0) 分类 VOA2003(下)-美国人文故事

In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minoras in a shooting star on a summer nightor amazingly destructive,

发表于:2019-03-06 / 阅读(79) / 评论(0) 分类 英语时差8,16