Part Ⅱ Reading Comprehension

　　Questions 21 to 25 are based on the following passage:

　　Solar energy for your home is coming. It can help you as a single home owner. It can help the whole country as well. Whether or not solar energy can save your money depen ds on many things. Where you live is one factor. The type of home you have is another. Things like insulation present energy coasts, and the type of system you buy are added factors.

　　Using solar energy can help save our precious fuel. As you know, our supplies of oil and gas are very limited. There is just not enough on hand to meet all our future energy needs. And when Mother Nature says that's all. The only way we can delay hearing those words is by starting to save energy now and by using other sources, like the sun.

　　We wont have to worry about the suns running out of energy for another several billion years or so. Besides begin an endless source of energy, the use of the sun has other advantages as well. The sun doesn't offer as many problems as other energy sources. For example, fossil fuel plants add to already high pollution levels. With solar energy, we will still need sources of energy, but we wont need as much. That means we can cut down on our pollution problems.

　　With all these good points, why don't we use more solar power? There are many reasons for this. The biggest reason is money. Until now, it was just not practical for a home owner to put in a solar unit. There were cheaper sources of energy. All that is changing now. Solar coats are starting to equal the costs of oil and electricity. Experts say that gas, oil and electricity prices will continue to rise. The demand for electricity is increasing rapidly. But new power plants will use more gas, oil or coal. Already in some places the supply of electricity is being rationed. Solar energy is now in its infancy. It could soon grow to become a major part of our nations energy supply.

　　21. Which statement best expresses the main idea?

　　A) Something about Solar Energy and Pollution.

　　B) Solar Energy.

　　C) Energy and Pollution

　　D) Energy and Money.

　　22. Solar energy can help us save ____. 

　　A) the earth and natural resources

　　B) mother nature

　　C) the sun

　　D) our precious fuel

　　23. The sun is an endless source of energy, it will not run out of it fo r ____.

　　A) several million years

　　B) several hundred years

　　C) several billion years

　　D) several thousand years

　　24. Which of the following statements is correct?

　　A) Energy from coal would not pollute our living environment.

　　B) Energy from natural gas would not pollute our living environment.

　　C) Energy from the sun would not pollute our living environment.

　　D) Energy from oil would not pollute our living environment.

　　25. Solar energy is now in its infancy, ____.

　　A) but it will be considered as an important part of our nation s energy supply

　　B) yet we will build more power plants

　　C) and the supply of electricity will be rationed

　　D) but we don t need practice energy rationing now

　　短文大意

　　太陽(yáng)能不久將成為我國(guó)的主要能源，因?yàn)樘?yáng)能可以節(jié)省能源。不象傳統(tǒng)的能源 —— 石油，天然氣那樣既儲(chǔ)量有限，又帶來(lái)污染，太陽(yáng)能可以說(shuō)是取之不盡用之不竭的能源，因?yàn)樘?yáng)的壽命是幾十億年。盡管太陽(yáng)能有這么多優(yōu)點(diǎn)，但我們依然使用得不多，大的原因是錢的問(wèn)題。不過(guò)現(xiàn)在情況正在變化，專家認(rèn)為別的能源價(jià)格將繼續(xù)上漲，目前太陽(yáng)能處于嬰兒時(shí)期，但不久會(huì)成為我們的主要能源。

　　21. 答案 B 。

　　【試題分析】 此題考查文章的主題。

　　【詳細(xì)解答】 本文講解太陽(yáng)能，其余的答案都不符合題意。

　　22. 答案 D 。

　　【試題分析】 此題為直接尋找信息題。

　　【詳細(xì)解答】 “ 太陽(yáng)能可以節(jié)省能源 ” 與題意最貼切。見文章第二段第一句。

　　23. 答案 C 。

　　【參考譯文】 太陽(yáng)能是一種永恒的能源，幾十億年不會(huì)枯竭。

　　【試題分析】 此題為尋找具體信息題。

　　【詳細(xì)解答】 文中所說(shuō)的太陽(yáng)的壽命是幾十億年。見文章第三段第一句。

　　24. 答案 C 。

　　【試題分析】 此題為判斷題。

　　【詳細(xì)解答】 只有太陽(yáng)能無(wú)污染。

　　25. 答案 A 。

　　【參考譯文】 現(xiàn)在太陽(yáng)能處于嬰兒期，但不久將會(huì)成為我國(guó)能源的重要組成部分。

　　【試題分析】 此題考查對(duì)文章主旨的理解。

　　【詳細(xì)解答】 太陽(yáng)能將是今后的主要能源。見文章最后兩句話。

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