单词：ozone layers
单词：ozone layers 相关文章
McVeigh Case Delayed? In the United States, Timothy McVeigh will seek a delay in his execution for the bombing of a government building in Oklahoma. Defense layers made the request Thursday after a tw
疯狂英语2001年
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
听一分钟英文-O
(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival
托福听力短文
There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S
(科普英语)Earth and Sky
Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many
2018年VOA慢速英语(五)月
My 16-year-old son, Jeff, is a boy any parent would be proud of --until you see the floor of his room, covered with layers of clothes, magazines and sports equipment. Recently I accompanied Jeff to th
英汉幽默故事选读
Peeling Away Artifice For the Pure Original Roy H. Barnacle 回归童真 Sarah came running in.Look what I found. Over the top of the paper I was reading came a crispy, crumbling long object that caused me to jump. It was a snake skin that had been s
阅读空间
put on one's clothes 穿上衣服 -You need to put on your clothes quickly or you'll be late for work. -Where's my belt? wear layers of clothes 穿着几层衣服 -They say that the best way to keep warm is to wear layers of clothes. -That's for sure
英语日常口语
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
纯正英语一分钟
Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s
阅读空间
25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00
科技之光
Spring brings the promise of milder weather, but it also usually means more rain. Rainy weather doesn't mean you have to take your runs inside. If you're prepared, running in the rain can be fun and help get you prepared for running races in the rain
阅读空间
口语:周末了 我们去滑雪吧 1. Layer up 一层一层把自己裹起来 Although it can be tempting to purchase the biggest, thickest items of clothing for a ski holiday, the best way to maintain heat is by layering lots of thin layers. When y
英语口语
put on one's clothes 穿上衣服 -You need to put on your clothes quickly or you'll be late for work. -Where's my belt? wear layers of clothes 穿着几层衣服 -They say that the best way to keep warm is to wear layers of clothes. -That's for sure
英语口语
I'll Keep it on My FloorMy 16-year-old son, Jeff, is a boy any parent would be proud of --until you see the floor of his room, covered with layers of clothes, magazines and sports equipment. Recently I accompanied Jeff to the credit union where he op
趣味英语