(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.
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...
There are a wide variety of clothes available in clothes rental stores,including children's wear, formal attire, maternity dress, wedding dress, which are suitable for people of all ages and can be applied to any occasion. In addition, wh...
All camp sessions are created with age-appropriate activities that are tailored to the multiple ways that kids learn. Camp Staff Campers enjoy a staff-to-child ratio ranging from 1:4 to 1:7 depending on the age group. Instructors are passionate educators who are experts in their fields and ...
Besides the gas needle pointing at or below E on the instrument gauge, there are a handful of symptoms that vehicles exhibit when they run out of gas. Coughing/Sputtering:The car may start stumbling as if the engine is struggling to continue to run smoothly. ...
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 ...
根据第一段第一句“What is the single most effective way to reduce greenhouse-gas emissions?"以及后文中的 “The answer is: make air-conditioners better”可知,减少温室气体 的最有效的办法是改善空调的冷却系统。 故选C。 6. A 推理判断题。 根据第二段第一句“Air-conditioning is one of the world...
Volvo offers a well-rounded warranty package on its new cars, including a complimentary scheduled maintenance plan that spans four years or 40,000 miles. Limited warranty covers 4 years or 50,000 miles Powertrain warranty covers 4 years or 50,000 miles Battery components are covered for 8 ...
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.
that section between the railway station and someone's home, for example - can lead to car use if it's considered too far or too dangerous to walk. the idea of a low-traffic neighbourhood (ltn) - where cars a...