单词：safe concentration of pollutant
单词：safe concentration of pollutant 相关文章
Safe Place From The Storm In this crazy world You can prove that you can make it If you're strong enough to take it Still there will be times When you find this life you're livin' Is just takin' all your givin' When you need someone to run to The she
VOA标准英语2018年(六月)
DIALOG 29 1--There's no reason on earth why we should stay here. 2--Yes, there is! Somebody's got to keep an eye on things. 3--That's what I think. Otherwise this whole project could go wrong. 1--I do
英语经典听力对话
Lesson 156 Part Ⅰ Warming-up Exercises Spot Dictation: The Temperature Check Last winter we had kind of a, uh, cold winter and I was home in bed _____ one night and listening _____ my radio. And, uh
英语听力入门 (全四册)
Listen this way听力教程第二册-17
Listen this way听力教程
Mr. Pierce had just come down from the upstairs as the Aldens came up from the basement. Whats happened? he said to his wife as he ran into the living room. Weweweve been robbed, Mrs. Pierce repeated, and she started to cry. Calm down, dear, Mr. Pier
75 The Mystery of the Empty Sa
Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is
双语有声阅读
Safe In A Crazy World Corrinne May I try to smile my tears away I try keep my cool Oh but one more door gets in my way I feel like such a fool Trampled and bitter My heart just wants to bleed and stop believing in me It feels like nothing is for cer
音乐咖啡厅
The Beijing Municipal Heavy Air Pollution Emergency Response Program includes a four-tier color alert system. A Red alert, the highest, will be issued for heavy pollution that is expected to last more than 3-days. An air quality index of over 200 wil
英语新闻
You might think it's your colleagues or the pressures of work that's getting you down at the office, but new research suggests it could well be the air you're breathing instead. Scientists in the US have found that the concentration of carbon dioxide
阅读空间
BEIJING, Jan. 29 (Xinhua) -- China's meteorological authority has introduced a new weather warning system for smog which will use readings of PM 2.5, a particle pollutant. The announcement comes as thick haze chokes many cities. The National Meteorol
英语新闻
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
英语新闻
The State Council released a national plan on environmental improvements for the 13th Five-Year Plan period (2016-2020), detailing tasks to clean polluted air, water and soil. 国务院日前印发了十三五期间(2016-2020年)改善环境的国家规
英语新闻
China promises to promote sustainable development SAN JOSE, Oct. 25 (Xinhua) -- A Chinese official Thursday expressed here China's willingness and determination to work with the international community to promote sustainable development. Speaking at
英语新闻
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
英语新闻
保护环境，不要空气污染英语对话 我国最大的坏境问题便是空气污染和水资源污染严重，导致各种疾病发病率怎家。环境问题是一个全球性问题，世界携手对地球负责，才能共同解决。保护地
实用英语
Millions of people around the world celebrated Earth Day Friday by pledging to commit personal acts of green to improve the environment(环境). This is the 41st anniversary of the first Earth Day, observed in the United States in the aftermath of a
英语新闻
BEIJING, Feb. 5 (Xinhua) -- China will make more efforts to reduce PM 2.5 pollutants, as well as other pollutants, a government official said Tuesday. A national obligatory target will be set to limit PM 2.5 emission, which is a fine particulate matt
英语新闻
BEIJING, Jan. 31 (Xinhua) -- Smog blanketing large swaths of China was thinning out on Thursday, with air pollution in some cities easing, the Ministry of Environmental Protection (MEP) said. According to monitoring by 10 a.m., smog-hit regions had s
英语新闻
So today I want to show you my interactive software model that I created. 所以今天我想向你们展示我创造的互动软件。 I'm going to show it to you on my laptop. And I have a volunteer subject in the audience today, Julie. 我将用我的
TED演讲教育篇
Working in a well-ventilated 'green' office can help boost your brainpower, researchers have found. 研究人员发现，通风良好的绿色办公室有助于提升脑力。 People whose desk space is well ventilated with below average indoor pollu
英语新闻