At the shopping mall, you probably think about spending, not saving. Think about all the l

At the shopping mall, you probably think about spending, not saving. Think about all the lights that keep the mall bright. Think about all the water faucets in the toilet. Think about all the air conditioning in summer. Saving energy is a hot topic for such a big place!
　　Many things at the mall use energy. Electric lights, infrared faucets and air-conditioners need electricity to work. One way to save energy is by keeping lights clean. More and more dust and dirt make the lights less bright. When malls keep lights clean, they can use fewer lights and keep the area just as bright ,Using fewer lights means using less energy.
You step up to the water faucet. The water starts to flow. You don't have to touch a thing. Why do malls have such fancy faucets?. The answer is simple. They save water. Sometimes people forget to turn the water off after they wash. Infrared faucets turn themselves off.
The…
【小题1】 is a hot topic for a big mall.A．To spend moneyB．To save energyC．To keep the mall brightD．To buy things【小题2】Malls use infrared faucets mainly because A．they save waterB．they are fancyC．they are simpleD．they turn themselves off【小题3】Which of the following cannot save energy?A．Using fewer lights.B．Using infrared faucets.C．Using air-conditionersD．Keeping lights clean.【小题4】What will the fourth paragraph probably talk about?A．How to save water when using infrared faucets in the mallB．How to save energy when using air-conditioners in the mallC．How to save money when shopping in the mall.D．How to spend money when shopping in the mall.【小题5】The best title for the passage is A．Lights, faucets and air-conditionersB．Spending less moneyC．Energy saving at the mallD．A hot topicＢ

(答案→)Ｂ 解析：这篇短文主要介绍了在购物中心的一些设备如何节能的问题，其中详细介绍了如何节省电能和节约用水。【小题1】根据第一段Saving energy is a hot topic for such a big place!描述，可知选Ｂ。【小题2】根据第三段why do malls have such fancy faucets?. The answer is simple. They save water.描述，可知选Ａ。【小题3】根据第二段air-conditioners need electricity to work.描述，可知空调不节能。故选Ｃ。【小题4】第二段介绍了三种需要能源的设备，点灯，红外线水龙头和空调。第二三段介绍了如何在使用电灯时节能和红外线水龙头节能的原理，故第四段可能要描述空调如何节能，故选Ｂ。【小题5】这篇短文主要介绍了在购物中心的一些设备如何节能的问题，故选Ｃ，购物中心的节能问题。

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