A. Trees B. Wind C. Factories D. Rain 相关知识点: 试题来源: 解析 C。中文解析:文章中提到 Factories, cars, and power plants are major sources of air pollution.(工厂、汽车和发电厂是空气污染的主要来源。)所以工厂是空气污染的一个主要原因。反馈 收藏 ...
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...
According to the passage, which of the following is a major cause of air pollution? A. Planting more trees B. Using public transportation C. Burning fossil fuels D. Recycling waste 相关知识点: 试题来源: 解析 C。解析:原文提到燃烧化石燃料是空气污染的一个主要原因。A选项种植更多树木是改善环境...
What are the major sources of air pollution? A. Natural disasters B. Industrial activities and vehicle emissions C. Agricultural activities D. Forest fires 相关知识点: 试题来源: 解析 B。解析:文章中明确提到工业活动和车辆排放是空气污染的主要来源。
B。解析:文中提到 Air pollution is mainly caused by the burning of fossil fuels such as coal, oil, and gas. Industrial emissions, vehicle exhausts, and power plants are the major sources of air pollution.(空气污染主要是由煤炭、石油和天然气等化石燃料的燃烧引起的。工业排放、汽车尾气和发电厂是...
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污浊空气。故选D [精析]D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...
The exhaust fumes from cars are a major source of air pollution. Which of the following can reduce car exhaust pollution? A. Driving cars without regular maintenance. B. Using low - quality fuel. C. Choosing electric cars. D. Speeding up all the time while driving. 相关知识点: ...
B. Solar panels. C. Burning of fossil fuels. D. Hydroelectric power plants. 相关知识点: 试题来源: 解析 C。解析:文章中提到“Air pollution is mainly caused by the burning of fossil fuels such as coal, oil, and gas.”,所以空气污染的主要原因之一是燃烧化石燃料。反馈 收藏 ...
Air pollution is a big problem. Which of the following is a major source of air pollution? A. Wind turbines B. Solar panels C. Factories emitting a lot of smoke D. Bicycles 相关知识点: 试题来源: 解析 C。解析:工厂排放大量烟雾是空气污染的一个主要来源。工厂在生产过程中燃烧化石燃料等会...
Loss of clear sightD。 Serious headachePassage TwoQuestions 6 to 10 are based on the following passage.Everyone has got two personalities — the one that is shown to the world and the other that is secret and real. You don't show your secret personality when you're awake because you can...