The article mentions that the river is polluted. What is the main source of pollution? A. Industrial waste B. Agricultural runoff C. Household waste D. Sewage 相关知识点: 试题来源: 解析 A。文中提到河流被污染,后面说明了主要污染源是工业废水,所以答案是 A。选项 B“农业径流”文中未提及是...
What is the main source of noise pollution in cities? A. Birds singing B. Traffic C. People talking softly D. Wind blowing 相关知识点: 试题来源: 解析 B。解析:选项A,鸟儿唱歌声音通常比较悦耳,不是城市噪音污染的主要来源。选项B,交通如汽车、摩托车等发出的声音是城市噪音污染的主要来源。选项C,...
百度试题 结果1 题目What is the major source of air pollution in a city?A agricultureB heavy industryC educationD medical system 相关知识点: 试题来源: 解析 B 解析见答案 反馈 收藏
解析 D 正确答案:D 解析:根据第一段第四、五句“A major source of air pollution is the gas fumes from cars.Another major source of dirty air is the burning of coal and oil for energy.”可知,城市中空气污染的主要来源是汽车尾气以及为取得能源而燃烧煤和石油造成的烟雾。故选D。
According to the EEA, what is the second most important source of PM10 and PM2.5 particles? Air pollution. B. Nitrogen oxide. C. Road transport. D. Organic compounds. 相关知识点: 试题来源: 解析 C 正确答案:C解析:本题要考查的是第4段开头It的所指。本文开头四段都提到了source一词,第1段和...
视错觉就是当人观察物体时,基于经验主义或不当的参照形成的错误的判断和感知。有时候眼见的东西并不一定为实,也许你看见的东西并不一定存在,而是你的大脑认为它存在。这表明①意识活动具有自觉选择性,有时并不是物质的反映②意识依赖于物质,错觉是客观存在的主观映像③错觉是在一定条件下个体对客观事物的歪曲反映④...
Today,my topic is environmental pollution. As the world get more and more modern, pollution presents a serious problem. More people make more waste. All this waste is polluting our environment. Pollution has a bad influence on our life. There are still many problems of environmental protection ...
全新版大学进阶英语 Book 1 Unit 5 The Water Problem What27s the world to do about water讲课讲稿 Unit5TheWaterProblem What’stheWorldtoDoaboutWater?Humanity’sTop10Problems •Whatwillbethetop10problemsofhumanityforthenext50years?22020年4月7日 Humanity’sTop10Problems 32020年4月7日 Energy Wa...
"What Is Nonpoint Source Pollution?". 2013. https://www.epa.gov/polluted-runoff-nonpoint-source-pollution/what-nonpoint-sourcehttp://water.epa.gov/polwaste/nps/whatis.cfm .US Environmental Protection Agency (USEPA)., 2015. What is non-point source pollution?, http://www2.epa.gov/polluted...
Uh, first let's mention that the sources of pollution are of two general types.And let’s begin with what's known as “point source pollution”Point source pollution has an identifiable source, and you can find the specific point where, say, one particular pipe is dumping pollutants into ...