听一分钟英文：Ozone Layer-臭氧层

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

Three Methods to Improve Your Presentations

Giving a presentation can be a scary task. It can be even more worrisome when the presentation is not in your native language. You may forget the English words for what you want to say. Or, like a lot of people, you may get nervous. But, the good new

VOA标准英语2013--Secret Monitoring Clouds 9/11 Proceedings

Secret Monitoring Clouds 9/11 Proceedings It was a bizarre twist in a case that has dragged on for years after the September 11 attacks in the effort to bring Khalid Sheikh Mohammed and four other accused co-conspirators to justice. Prosecutors were

英语课程计划-the Preservation of the Ozone Layer

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

Earth and Sky:Global Warming and Ozone 全球变暖和臭氧

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

ENVIRONMENT REPORT - Shrinking Ozone Hole over Antarctica

ENVIRONMENT REPORT - November 1, 2002: Shrinking Ozone Hole over Antarctica By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Australian researchers say the hole in the ozone layer o

Scientists: Ozone-Eating Chemical Mysteriously Rising

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

美国加强对马里旅客的筛查

WASHINGTON, Nov. 16 (Xinhua) -- The U.S. government announced Sunday it will add Mali to the list of Ebola-affected countries for which enhanced screening and monitoring measures will be taken. Effective Monday, Nov. 17, people arriving in the United

Study: Loss of Ozone Slows

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

纯正英语一分钟-ozone layer

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

(1)Springtime Ozone Loss

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

HEALTH REPORT – Study Links Ozone Pollution to Increased De

HEALTH REPORT – Study Links Ozone Pollution to Increased Deaths By Cynthia Kirk Broadcast: Wednesday, December 08, 2004 I'm Gwen Outen with the VOA Special English Health Report. American researcher

China to expand food contaminant monitoring

BEIJING, Jan. 25 (Xinhua) -- China has set a goal of equipping at least half of the country's county-level administrative regions to monitor various contaminants and harmful ingredients in food by the end of 2013. A new work plan, released on Friday

北京首要空气污染物PM2.5下岗 取代者臭氧危害更大

Warm days come with a downside, as masks can't stop pollutant at ground level in Beijing 温暖的天气也有一个不好的地方，那就是口罩挡不住北京地表层的污染物了。 Excessive ozone gas has become the prime pollution problem

Smog disrupts Beijing traffic, flights

BEIJING, Feb.17 (Xinhua) -- Fresh smog shrouded Beijing and some other provinces in China early on Sunday, disrupting highway traffic and flights. Readings for PM2.5, hazardous particles measuring 2.5 microns in diameter or less, exceeded 200 microgr

Lawmakers propose banning arbitrary environmental monitoring

BEIJING, Dec. 28 (Xinhua) -- Chinese lawmakers on Friday suggested formulating an environmental monitoring law to prohibit disorderly, arbitrary monitoring of the environment. China lacks a special law or regulation on the management of environmental

英军医护人员回国监测埃博拉

LONDON, Jan. 31 (Xinhua) -- A British military healthcare worker arrived back into Britain from Sierra Leone for Ebola monitoring, Public Health England (PHE) confirmed on Saturday. PHE said the person, suffered a needle-stock injury when treating a

Monitoring Tobacco Ads on Media

Related: Guangzhou Bans Tobacco Sales on World No Tobacco Day Today marks the World No Tobacco Day - An event endorsed by the World Health Organization highlighting health risks associated with smoking. This year there are calls for a ban on tobacco

Imported drugs to go on China's electronic monitoring network

Imported drugs to go on China's electronic monitoring network BEIJING, Oct. 8 (Xinhua) -- China's food and drug safety watchdog plans to put imported drugs on the national electronic monitoring network in a move to step up drug management. Overseas p

CCTV9英语新闻：中国的环境退化

To talk more about China's environmental protection targets, we have Wu Changhua, the Greater China Director of the Climate Group. But before we start, let's take a look at a set of numbers to have a clearer picture of how bad the environment is. Air