What’s the problem of gas cars?⏢ 相关知识点: 试题来源: 解析 环境污染;依赖化石燃料;能源效率低 燃油汽车的问题可拆解为三个方面分析:1. 环境污染问题。燃油车通过燃烧汽油产生动力,排放二氧化碳(温室气体主要成分)、氮氧化物(光化学烟雾成因)和颗粒物(PM2.5主要来源),根据EPA数据,运输业贡献美国29%温室气体
(1)15. What\'s the problem of the cars that run on gas?A. They are too big. B. They are noisy. C. They are too small. D. They make the air dirty.(2)16. What does the underlined word "they" refer to?A. Gas cars. B. Some people. C. Electric cars. D. The batteries.(...
What's more, there are many factories around my hometown, so young adults are moving back to work and accompany their family at the same time. Besides, in terms of the transportation, private cars can be seen everywhere. And now it is...
EVs vs. Gas Vehicles: What Are Cars Made Out Of? Electric vehicles (EVs) require a wider range of minerals for their motors and batteries compared to conventional cars. In fact, an EV can have up tosix timesmore minerals than a combustion vehicle, making them on average 340 kg (750 lbs...
C.The temperature on rail cars is often hard to control. D.That's particularly true during busy summer months. E.You might have to wait longer than 24 hours to catch the next one. F.Chances are the cost will be a lot less than the cost of one bedroom. ...
(0)30. What does the passage mainly talk about? A. The problems of gas cars. B. People's study of cars. C. The problems of electric cars. D. The fact (事实)that gas cars and electric cars have their good and bad ways. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
百度试题 结果1 题目 2 -What makes the air dirty?Gas from cars makes it dirty.-What can we do to keep the air clean?-We can take the bus or the subway to school or work. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Recharge Time: Fully recharging EV batteries takes more time than a 5-minute gas station fill-up. Higher Upfront Cost: EVs have a higher purchase price than comparable gas cars, although cost parity is coming. Sparse Infrastructure: EV Charging station networks are expanding but may still caus...
Internet of things, IoT, is when physical objects are embedded with sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems.
Is hydrogen propulsion the future? How does a fuel cell work? Are there any risks? In this article, a hydrogen propulsion expert from BMW will answer these questions and more.