5．According to the passage, hydrogen ________.

　　A．is a newly­discovered energy source

　　B．can only be made from limited sources

　　C．provides more energy than an equal amount of gasoline

　　D．will soon become the main fuel for most of Toyota's cars　

　　解析：选C　细节理解题。根据第二段中的"In terms of energy contained, 9.5 kg of hydrogen is equal to 25 kg of gasoline."可知，同等量的氢比汽油所提供的能量更多，故选C。

　　6．The third paragraph is mainly about ________.

　　A．how the Toyota Mirai works

　　B．why hydrogen is very popular

　　C．advantages and disadvantages of hydrogen

　　D．the components of a hydrogen fuel battery

　　解析：选A　段落大意题。根据第三段的内容可知，本段主要讲述的是丰田推出的这款利用氢燃料电池来驱动的Mirai汽车是如何工作的，故选A。

　　7．What can we learn about the Toyota Mirai?

　　A．It runs on both gasoline and hydrogen.

　　B．It has become a great threat to other electric cars.

　　C．It gives off only a few polluting greenhouse gases.

　　D．It may sell well with more charging stations around.

　　解析：选D　推理判断题。根据文中多处提及的该车的优点和第四段中的"the biggest challenge ... the availability of hydrogen­charging stations"可知，如果将来能够配备足够多的充气站，那么该车的销量可能会很好，故选D。

　　8．What would be the best title for the passage?

　　A．A new wave of green cars

　　B．The benefits of electric cars

　　C．Tesla：a leading car company

　　D．Hydrogen: a future energy source

　　解析：选A　标题归纳题。本文主要介绍了丰田公司推出的一款新能源汽车--Mirai。这款利用氢燃料电池来驱动的汽车有着诸多靠汽油驱动的汽车所不具备的优点，故A项作文章标题最恰当。

　　C

Louis Sachar is the author of more than 20 books that are loved by children, parents and teachers. You might recognize his name from the series of Wayside School books or