Covered with smog (雾霾), Chengdu is suffering from the effects of air pollution again. Citizens... is making me worry deeply that one day we will have to rely on masks to survive.The Sichuan Basin doesn ……

of the Massachusetts Institute of Technology, US, has invented a device to catch smog before it gets... smog. It led him to wonder if the waste in the air could be used for anything.Sharma believes that his ……

of the Massachusetts Institute of Technology, US, has invented a device (装置) to catch smog before... heavy smog (烟雾). It led him to wonder if the waste in the air could be used for anything.Sharma ……

storm means a day off. Similarly, many Chinese students 2. _______ (give) smog days in recent years due to the smog.The best thing to do during a smog day is to stay inside 3. _______ your air ……

WHILE China is taking great efforts to combat (斗争) constant smog (雾霾), Paris in France is troubled with the same problem.People in Paris have been choked by heavy smog since March 4. In response ……

汽车限行方案*Smog has been covering Paris, France, since March 4. In response, the city introduced a restricted driving scheme on March 17, Reuters reported. Drivers may only use their cars on *alternate ……

of smog (雾霾). An official for the Ministry of Environmental Protection told Beijing News that PM2.5... started to take action.Beijing announced plans to use clean fuel (燃料) in government vehicles and plant ……

本期题目 近几年来，我国多地出现雾霾(smog)天气，环境污染变得越来越严重。人们在关注环境污染的同时，越来越清醒地认识到，美丽中国不能在 迷雾中前进。 假设从遥远的外太空来了一位外星人，而他/她不知道雾霾问题。请你用英语写一篇短文，告诉这位外星人关于雾霾的一些基本常识。 You are to tell an alien from distant planet what smog ……

in January were free of smog (雾霾). What’s the difference between fog and smog?According to scientists, fog is made up of tiny drops of water and also ice particles (颗粒) during very cold conditions. Smog ……

smog last weekend.On Jan 12, levels of PM2.5 - air particles smaller than 2.5 micrometers in diameter... in China that have PM2.5 monitoring systems.The smog lasted until Jan 16, when cold fronts drove the smog ……

. They can not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾... not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾 ……

. They can not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾... not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾 ……

. They can not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾... not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾 ……

. They can not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾... not only prevent epidemics, but also protect us from other harmful things, such as smog (雾霾 ……

because of smog (雾霾). Back in January 2013, thick smog covered (覆盖) a total area of 2.7 million (百万... (工厂) to use clean energy (清洁能源). More people in cities are using new-energy cars instead of gas ……