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Solar cars aren't so familiar to us as s...

    Solar cars aren't so familiar to us as solar water heaters on top of buildings. However, they're already in races. Solar-powered cars, to be exact, are powered by solar cells that convert (转换) solar energy into electricity. Every few years a collection of strange-looking low black vehicles gather in Australia for the World Solar Challenge, a solar-powered car race covering 3,020 kilometer from Darwin to Adelaide. Various teams from around the world will join in the race, most of which are sponsored (赞助) by universities and companies. The most successful team in the past decade has been a Dutch team from Delft University. Another team, consisting of Hawaiian high school students, was the subject of a famous film, Race the Sun.

The solar-powered cars are allowed to drive through the Outback, the remote and arid areas in the centre of the country in the World Solar Challenge. averaging over 90 km/hr. The purpose of the race is to promote the development of solar-powered cars. This aim has been more than realized, as solar technology has improved so much since the first race in 1987 that the cars can now go well over the legal speed limits. In fact, new rules have been introduced to reduce speeds.

The new aim for solar powered vehicles makers is to develop cars larger and more comfortable than the racing models. In December, Swiss teacher Louis Palmer completed a 17-month, 52,000 km trip around the world in a "solar taxi". His three-wheeled car pulled a trailer with solar cells and batteries. Palmer's solar car can travel 300 km on a single charge, and reach the speed of 90 km/hr. The prototype (原型) was expensive but he hopes that, if mass produced, it would sell for around 10,000 Euros.

1.According to Paragraph 1, solar-powered cars are       .

A.invented in Australia B.used as taxis in daily life

C.powered by electricity D.produced in large numbers

2.The passage shows the World Solar Challenge       .

A.takes place every year B.is sponsored by universities

C.aims to develop solar cars D.features cheap and comfortable cars

3.What do we know about Louis Palmer?

A.He's the winner of the race this year. B.He's travelled around the world by air.

C.His solar car can travel 300 km per hour. D.His solar car cost more than 10, 000 Euros.

4.What is the best title for the passage?

A.Solar-powered Cars B.Race the Sun

C.Car Race in Your Dream D.Future Transportation

 

1.C 2.C 3.D 4.A 【解析】 这是一篇说明文。文章主要介绍太阳能汽车在赛车比赛中的使用来促进其各方面的改善。 1.细节理解题。由第一段的第三句“Solar-powered cars, to be exact, are powered by solar cells that convert (转换) solar energy into electricity.”可知,太阳能汽车是由能将太阳能转换为电能的太阳能电池提供动力。故选C。 2.细节理解题。由第二段的第二句“The purpose of the race is to promote the development of solar-powered cars.”可知,国际太阳能挑战赛的目的是为了促进太阳能汽车的发展。故选C。 3.细节理解题。由第三段的最后一句“The prototype (原型) was expensive but he hopes that, if mass produced, it would sell for around 10,000 Euros.”可知,Louis Palmer的车,如果大量生产的话,车将会以大约10,000欧元的价格售卖。故选D。 4.主旨大意题。根据文章的整体内容可知,文章第一段主要讲太阳能汽车在国际太阳能挑战赛的使用,第二段主要讲国际太阳能挑战赛对太阳能汽车在速度方面的改善,第三段主要讲太阳能汽车外形和舒适度的改进,文章3段内容分别介绍了太阳能汽车的使用和改善,由此可见,太阳能汽车是文章的说明对象。所以短文的最佳标题为“太阳能汽车”。故选A。
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19.A. sorry    B. happy    C. disappointed    D. greedy

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