Transport first became a significant source of air pollution after the problems of sooty smog from coal combustion had largely been solved in western European and North American cities. Since then, emissions from road, air, rail and water transport have been partly responsible for acid deposition,...
Vehicle emissions are a significant source of air pollution because they release ___. A. clean air B. water vapor C. exhaust fumes D. oxygen 相关知识点: 试题来源: 解析 C。中文解析:文章中提到“Cars, trucks, and buses burn fuel and release exhaust fumes that contain pollutants.”,车辆...
选项A“Trees”树木是对环境有益的,能够净化空气而不是污染空气;选项B“Solar panels”太阳能板是清洁能源设备,不会造成空气污染;选项C“Factories”工厂,许多工厂在生产过程中会排放废气,是空气污染的主要来源之一;选项D“Wind turbines”风力涡轮机是清洁能源设施,不会造成空气污染。从语法上,这是一个关于选择正确...
There are four main types of air pollution sources : Mobile sources such as automobiles i.e. cars, buses, planes, trucks and trains. Stationary Sources Such as power plants, oil refineries, industrial facilities and factories. Area Sources Such as
People and the sources of air pollution are found in the same places.This means that cities with large populations have the biggest problem of dirty air.Air pollution is caused by many different things.A major source of air pollution is the gas fumes from cars.Statistics show that 93 percent...
rapidly. Fossil fuels, such as coal and gas, are the main source of air pollution. “The danger caused by air pollutionis enomous." said Anthony Lake. UNICEF's executive director. “No society can afford to ignore air pollution. We protect our children when we protect the quality of our...
百度试题 结果1 题目2. Cars are a ___ source of air pollution.相关知识点: 试题来源: 解析 major 汽车是空气污染的主要来源之一,因此答案为 "major"。反馈 收藏
BEIJING, June 4 (Xinhua) -- Automobile emissions have become a major source of air pollution in China and it's increasingly urgent to take measures, according to a recent report. China remained the world's largest automobile market last year, with about 310 million vehicles, up 5.1 percent ...
Industry: industry is a significant source of air pollution. Wide range of industrial emissions of pollutants into the atmosphere, soot, sulfur oxides, nitrogen oxides, organic compounds, halide, such as carbon compounds. There were some smoke, plenty of gas. ...
ahas good experience in plastic mechanical part's development 有好经验在塑料机械部分的发展[translate] aThe exhaust from burning fuels in automobiles,homes,and industries is a major source of pollution in the air. 尾气从灼烧的燃料在汽车、家和产业是主要污染源在天空中。[translate]...