污染物浓度

step by step 第四册 lesson 156

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

发表于:2018-12-27 / 阅读(67) / 评论(0)

英语听力入门 (全四册)

Listen this way听力教程第二册-17

发表于:2018-12-27 / 阅读(154) / 评论(0)

Listen this way听力教程

双语有声阅读:Controlling Your Concentration 控制你的注

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

发表于:2019-01-02 / 阅读(105) / 评论(0)

双语有声阅读

北京新空气污染应急预案

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

发表于:2019-01-07 / 阅读(57) / 评论(0)

英语新闻

工作状态不佳？都怪二氧化碳

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

发表于:2019-01-16 / 阅读(87) / 评论(0)

阅读空间

雅思剑11 必备词汇--Test4

剑桥雅思11出版后，很多同学都争抢做这本书感受最新的命题趋势。同学们在做剑11 听力的时候发现录音语速的确变快，填空题数量增加。下面网雅思频道就为同学们整理剑11听力中出现的词汇

发表于:2019-01-18 / 阅读(95) / 评论(0)

雅思英语

(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

发表于:2019-01-30 / 阅读(287) / 评论(0)

科技之光

China uses PM 2.5 in weather alert system

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

发表于:2019-02-06 / 阅读(88) / 评论(0)

英语新闻

英国空气污染问题恶化引关注

This week large parts of England and Wales have fallen under the spell of a hazy sky. The Department of Environment, Food, and Rural Affairs (DEFRA) said pollution in the southeast of England, including London, reached nine on a scale of 10. Jill Mea

发表于:2019-02-07 / 阅读(54) / 评论(0)

英语新闻

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

发表于:2019-02-07 / 阅读(93) / 评论(0)

英语新闻

国务院发布十三五生态环境保护规划

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

发表于:2019-02-08 / 阅读(68) / 评论(0)

英语新闻

China promises to promote sustainable development

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

发表于:2019-02-11 / 阅读(87) / 评论(0)

英语新闻

微软和IBM从中国雾霾预报中发现商机?

Two of the world's largest technology firms, IBM and Microsoft, are vying to tap the nascent, fast-growing market for forecasting air quality in China. 在中国的空气质量预测市场方兴未艾、高速发展之际，全球最大的两家科技公

发表于:2019-02-11 / 阅读(57) / 评论(0)

英语新闻

研究人员开发新技术应对雾霾

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

发表于:2019-02-13 / 阅读(139) / 评论(0)

英语新闻

保护环境，不要空气污染英语对话

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

发表于:2019-02-17 / 阅读(63) / 评论(0)

实用英语

Millions Celebrating Earth Day Around the World

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

发表于:2019-02-18 / 阅读(58) / 评论(0)

英语新闻

China strives to reduce air pollutants

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

发表于:2019-02-18 / 阅读(78) / 评论(0)

英语新闻

Smog choking swaths of China thinning out

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

发表于:2019-02-18 / 阅读(103) / 评论(0)

英语新闻

TED演讲获奖青少年,科技在行动(7)

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

发表于:2019-02-21 / 阅读(77) / 评论(0)

TED演讲教育篇

研究:办公室空气质量影响工作效率

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

发表于:2019-02-24 / 阅读(72) / 评论(0)

英语新闻

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auto-production line for electronic facsimile