A。解析:本题考查主语从句的引导词。在主语从句中,需要一个词作主语,表示“什么使得这个城市的空气污染更严重”,what有这个含义。which表示“哪一个”,在这个句子里没有选择的含义,所以不符合;how表示方式,这里不是说如何使污染更严重,不符合题意;that在主语从句中无实际意义,不充当句子成分,这里句子缺少主语成分...
It's our duty to protect our Earth.So we must stop pollution, plant more trees and keep our enviroment clean.The Earth is our only home.It's very important to take good care of her.Saving the Earth is to save ourself. 保护环境的倡议书英语作文 篇4 What can I do for our environment?
Do you know what the air pollution is? Air pollution (1)___(affect) the air we breathe. It is made up of harmful gases, drops, and tiny(极小的) things. These things make the air terrible. Many things can cause air pollution. (2)___(burn) fossil fuels(人工燃料) can cause air...
athey find out that adult life is not as easy as they thought it would be and suddenly 他们发现成人生活不是一样容易,象他们认为它是和突然 [translate] ain your opinion, what's the cause of air pollution? 按您的看法,什么是空气污染的起因? [translate] ...
5. Urban air pollution: Personal exposure and spatial variability of fine particulate matter (PM2.5) in Denver, Colorado and Xi'an, China. [D] . Coons, Teresa Leanne. 2009 机译:城市空气污染:科罗拉多州丹佛市和中国西安的细颗粒物(PM2.5)的个人暴露和空间变异性。 6. Associations of air poll...
A. The power plant itself. B. The small town's markets. C. The town's flower gardens. D. The local cinemas. 相关知识点: 试题来源: 解析 A。解析:在靠近发电厂的小镇,发电厂本身可能造成空气污染。选项B小镇的市场不是空气污染的源头;选项C小镇的花园有助于改善环境而不是污染;选项D当地的电影院...
Most people think of air pollution as something that comes from factories or motor vehicles. However, did you know that the air inside your home or place of work can also be polluted? In fact, indoor air pollution can be even more harmful to your health than outdoor air pollution. ...
解析 B. to prevent; happening 该句子的结构为“think of + 动词不定式”,表示“考虑做某事”,因此第一个空应填“to prevent”。第二个空需要一个动名词来表示“正在发生的空气污染”,所以应填“happening”。因此,正确答案为 B. to prevent; happening。
But cars also cause pollution and release a lot of greenhouse gases into the air. Fortunately, there are some cars that are better for the environment. These cars can travel longer on a smaller amount of gasoline. They don't pollute as much, either. Using these kinds of cars can help ...
1. How many kinds of pollution are mentioned in this passage? A. Three. B. Four. C. Five.2. What will create air pollution? A. Using Chemicals. B. Putting rubbish into the land. C. Burning gas, oil and coal.3. What can air pollution cause? A. It can cause breathing ...