作业帮There are two methods by which hydrogen (氢) can be used to p
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/03 10:43:16
| There are two methods by which hydrogen (氢) can be used to power cars. The first way is to use hydrogen to drive the engine, in much the same way as many cars use gas. The second method is to use the reaction of hydrogen with oxygen in a battery, making the car a kind of electric one. The dream of producing hydrogen in the car while driving along by electrolyzing （电解）water is a long way off, so we are still at the period of batteries and filling the tank with hydrogen gas. This is the difficulty for potential car users and producers. There are only sixteen hydrogen filling stations in Los Angeles and none in 99% of other cities worldwide. Indeed, some of the big name automobile producers have pulled out of the race to put the first practical hydrogen car on the streets. Ford and GM have announced that they are pulling out in America and so has Renault in France. However, the Japanese companies are pressing on. In fact, Honda introduced its first hydrogen fuel cell car in 1999. They are now producing second generation hydrogen car known as the FCX Clarity. Guess where they are available for sale? In only one city because of its filling stations. Honda thinks that they could go into full-scale production of the FCX Clarity by 2020 if the world is prepared for them by then. Then there are hydrogen-powered buses in several European cities including Amsterdam, Barcelona, Hamburg, London, Luxembourg and Madrid. Lotus, the makers of London taxis, have announced that they propose to manufacture hydrogen-powered taxis in time for the London Olympics. So, the hydrogen vehicle is out there and the numbers will be growing fairly soon. The buses go back to their bus station, where an electrolyzing machine changes water into fuel for them to fill up on and the same will be the case for many of London’s taxis. Unfortunately, getting fuel is not the only difficulty for the average motorist, a number of these vehicles cost about $300,000 each. 小题1:According to the text, hydrogen-powered buses ________.
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小题1:B
小题2:C
小题3:D
小题4:B
文章介绍了新型的使用清洁能源氢气的汽车，
小题1:细节题。根据倒数第二段第一行So, the hydrogen vehicle is out there and the numbers will be growing fairly soon.
小题2:推理题。根据they could go into full-scale production of the FCX Clarity by 2020 if the world is prepared for them by then可知they就是指上文提及的the FCX Clarity，故C正确。
小题3:推理题。这四个选项中只有洛杉矶有加气站，根据文章第二段第四行There are only sixteen hydrogen filling stations in Los Angeles。
小题4:细节题。根据文章最后一句a number of these vehicles cost about $300,000 each.可知B正确。
There are two methods by which hydrogen (氢) can be used to p
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