单词:sulfur dioxide bleach
单词:sulfur dioxide bleach 相关文章
11 布什否决限制二氧化碳排放议案 DATE=3/23/01 TITLE=ENVIRONMENT REPORT - Bush Rejects Carbon Dioxide Limits BYLINE=Cynthia Kirk (Start at 59
CHAPTER TWO Reading POLLUTUO FIGHTERS [00:09.90]Judy is collecting some facts for a class project on pollution. [00:18.44]She is interviewing Doctor Ray,a scientist,about trees. [00:27.51]Judy:Why are you so interested in trees,Doctor Ray? [00:38.16]
[00:00.00]Unit 15 My share of the chores [00:05.69]1.Listen and practice in pairs. [00:11.65]Mrs.Davis is telling Li Meng and xiaohong about the small chores she expects them to do. [00:19.30]Mrs.Davis,is there anything you want us to do around the
This is the VOA Special English Economics Report. One of the top issues this week at the World Economic Forum in Davos, Switzerland, was climate change. But the business and political leaders gathered for the yearly event in the Swiss Alps were not t
Unit 8 [00:02.90]Save Your World!What Is Garbage?Garbage is everything that you throw away. [00:13.06]What do we do with garbage?We bury or burn most garbage. [00:19.54]Burying garbage is quick and easy but uses a lot of land. [00:26.07]Most land nea
Listen this way听力教程第二册-17
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, our guest is Professor Rob Jackson, director of the Global Change Center at Duke University. He's with us to explain some of the language of ecology and climate change. RS: And we
[00:20.50]Whats the prognosis, fertile Myrtle? 结果怎么样? [00:22.18]Minus or plus? 阳性还是阴性? [00:24.50]I dont know. Its not seasoned yet. 我不知道,还看不出来 [00:26.70]Take some of these. 我要这个 [00:32.94]No, ther
By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie
新托福写作范文素材:种树与保护环境 1 While you probably think about planting trees for Arbor Day, you may not know justhow much of an impact tree planting can have on your lawn and energy consumption as well as the environment. Trees
China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th
Technology Report - Bright Idea: Light Bulbs From Plastic Bottles, Water and Bleach 科技报道 - 水、漂白剂和塑料瓶构成的水灯泡 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Nearl
Global Air Pollution Threat Grows A lot of attention is being paid to greenhouse gas emissions that contribute to climate change. But scientists warn that other pollutants may make it harder to breathe in some places in years to come. By the year 205
AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
U.S. Determined To Fight Climate Change 美国决心应对气候变化 Combating global climate change is a top priority of the Administration of President Barack Obama. 对付气候变化是巴拉克奥巴马总统政府的重中之重。 The United
Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, our guest is Professor Rob Jackson, director of the Global Change Center at Duke University. He's with us to explain some of the language of ecology and climate change. RS: And we
Drivers in the eastern United States may soon start paying for the pollution made by their motor vehicles. Nine eastern states and Washington, D.C. are launching a system of pricing the carbon dioxide produced from burning gasoline and diesel fuel. M
What else can you tell me about yourself? 再和我说点你自己的事吧。 Uh, ice...ice bear sleeps in fridge. 呃,北极熊睡在冰箱里。 What? Who is ice bear? 什么?谁是北极熊? Oh, no, he's blowing it! Grizz, where are you? ! 哦
More disgusting than you know While in college I took a summer job as a janitor at a middle school. I made some interesting discoveries that summer, like don't mix bleach and ammonia (different story). But if you had asked me who would be grosser, li