单词:flexing ozone weather testing chamber
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HEALTH REPORT-Testing for Pre-Diabetes By Nancy Steinbach Broadcast: April 17, 2002 This is the VOA Special English Health Report. American health experts say more people should be tested for a condit
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
Task 2: Wrong Weather Forecast M: Hey, Jane! Does everyone know what time to meet us this weekend for the picnic? W: Yeah. Theyll all be here at eleven sharp! Ive got all the food and drinks for the barbecue, and Tom is bringing the grill. M: OK. Ive
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
Section 30 Climate Change El Nino, which is not an English name, is playing an important part in our lives. We often hear people talk about the strange weather we are having nowadays. The changing wea
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
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
Improve Your English by Testing Yourself English learners can improve their ability to remember and use new words by testing themselves. This idea comes from Sarah Lynn, an educational consultant and teacher at Harvard University's Bridge Program. Sh
The goal of rapid HIV testing in emergency rooms is to save lives and prevent the spread of HIV. The U.S. Centers for Disease Control recommends routine HIV screening of patients admitted to hospital emergency rooms, unless the patient refuses or opt
'Mystery Shoppers' Help U.S. Regulators Fight Racial Discrimination At Banks play pause stop mute unmute max volume 00:0003:35repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat
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
Business 商业 Corporate governance in America 美国的企业管治 Heating up 逐渐升温 Shareholders are ever more willing to vote against management 股东永远愿意对管理者投反对票 TWENTY years ago Bob Monks bought an ad in the Wall
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
EDUCATION REPORT - Educational Testing Service Begins New TOEFL Test By Nancy Steinbach Broadcast: Thursday, October 13, 2005 I'm Shep O'Neal with the VOA Special English Education Report. Last month,
LONDON, April 11 (Xinhua) -- The Olympic Torch has passed rigorous testing to ensure even the worst of Britain's weather will not be able to put it out, the Evening Standard newspaper said Wednesday. Two prototypes withstood 50mph winds, extreme temp
An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh
英语美文赏析 All you remember 你所记得的一切 All you remember 你所记得的一切 All you remember about your child being an infant is the incredible awe you felt about the precious miracle you created. You remember having plenty of ti