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 ...
【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.
根据第一段第一句Mario loved to have lots of friends at school.She showed off a lot可知,她常炫耀自己有很多朋友。故选C。 (2) 考查词义推测。invisible adj.看不见的in是否定前缀,因此一定是一个含否定意义的词。故选A。 (3) 考查细节理解。根据倒数第二段倒数第二句Mario saw George, Lucas,...
What is the biggest challenge for the hydrogen fuel cars?A. They cost more than we expected.B. There isn’t enough fuel for them.C. There is lack of refueling stations.D. They are difficult to control on the road.答案：C 分析：解析:细节理解题。从第二段第二句可知,对于氢气汽车来讲,最...
根据您输入的内容,为您匹配到题目: **As a fuel, what is the advantage of hydrogen over oil?** A. Refilling empty tanks will be more convenient. B. It is less likely to worsen global warming C. More energy can be packed in the same space. D. It will produce pure water for people ...
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...
What is the drinking water of hydrogen source 意思是：什么是氢源饮用水？hydrogen n. <化>氢；复数： hydrogens source n. 根源，本源； 源头，水源； 原因； 提供消息的人 vt. （从…）获得； 发起； 向…提供消息； 寻求（尤指供货）的来源 vi. 原料来源； 起源； 寻求来源； 寻求...
Why is hydrogen collected by downward displacement of water? Why is drinking water important? Why is graphene important? What is the importance of chemistry in everyday life? Why is the thermocline of a body of water important? Why is the shape of an enzyme important?
(ii) The first excitation energy of the hydrogen atom is 10.2 eV.Explain what is meant by this statement. 相关知识点: 试题来源: 解析 The energy required by the hydrogen atom for it to transit from the ground state to its first excited state is 10.2eV. ...
What is the Initial Market for Hydrogen from Nuclear Energy?, Nuclear News - Forsberg - 2005 () Citation Context ...l gas also refinery off-gas orsliquid propane. Future reformer plants are designed to produce 237,000 Nm3/h. There is even ansannouncement by Praxair to construct a plant ...