What is the main advantage of hydrogen energy? A. It is cheap. B. It is abundant. C. It is clean. D. It is E. asy to produce. 相关知识点: 试题来源: 解析 C。中文解析:文章中明确提到氢能源是一种清洁能源,燃烧时只产生水蒸气,没有任何污染物或温室气体。A 选项文中未提及价格便宜;B ...
解析 B 解析 细节理解题。根据文章第一段第二、三句"Coal,oil,and natural gas produce carbon dioxide,which warms the earth when burned.Hydrogen produces pure water.”可矢口,作 为燃料,氢与石油相比具有的优点是它不太可能加剧全球变暖。反馈 收藏 ...
What is one use of hydrogen? A. Making plastics B. Producing glass C. Generating electricity in fuel cells D. Building houses 相关知识点: 试题来源: 解析 C。解析:文中提到 Hydrogen is used as a fuel in fuel cells to generate electricity.,所以答案是 C。
【答案】：The advantage of the hydrogen is: (a) Rich resources and can be renewable ; (b) High thermal efficiency; (c) Product is water, no pollination.
What is the main advantage of hydrogen fuel cell vehicles over other types of vehicles? A. Longer driving range B. Faster refueling C. Zero emissions D. Lower cost 相关知识点: 试题来源: 解析 C。本题考查氢燃料电池汽车的优势。A 选项,氢燃料电池汽车的续航里程不一定比其他类型长。B 选项,氢...
Choose the correct answer. ( ) 1. What is the chemical symbol for hydrogen? A. H2 B. Hg C. He D. H 相关知识点: 试题来源: 解析 ( ) 1. D ( ) 2. C ( ) 2. Which of the following is a physical change? A. Burning of paper B. Rusting of iron C. Dissolving sugar in wat...
What is a by-product of hydrogen fuel cells? A. Pollution. B. Fossil fuels. C. Water. D. Coal. 相关知识点: 试题来源: 解析 C。解析:文章中提到“These fuel cells can produce electricity with only water as a by-product”,氢燃料电池的副产品是水。反馈 收藏 ...
Hydrogen energy is considered a promising new energy. What is hydrogen usually obtained from? A. Coal B. Oil C. Natural gas D. Water 相关知识点: 试题来源: 解析 D。解析:氢能被认为是一种有前途的新能源。氢通常从水中获得。A、B、C 选项都是传统化石能源,不是氢的来源。本题考查对氢能来源...
第三段中说:Hydrogen-powered cars emit no carbon dioxide,but producing hydrogen requires energy,and if that energy comes from coal-fired power plants,then the problem has not been solved.意为:氢气动力车不会释放二氧化碳,但产生氢气需要能量,如果这能量是来自火力发电厂,那还是无法解决问题。由此可知C项...
What is one advantage of hydrogenpowered trains over diesel trains? A. They run without making any noise. B. They don't use electrical power. C. They cost much less to run. D. They are cheaper to build. 相关知识点: 试题来源: 解析 advices 改 advice ...