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Millions of people around the world cook their food on fire

2021-04-20 

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Millions of people around the world cook their food on fire every day. People must spend lots of money on cooking fuel. However, there is a much easier and cheaper way to cook food using energy from the sun.
Sun-cookers have been used for centuries. A Swiss scientist made the first sun-cooker in 1777. Today, people are using sun-cookers in many countries around the world. People use them to cook food and to heat drinking water.
There are three kinds of sun-cookers. The first is a box cooker. It is designed with a special wall that collects sun-shine into the box. A box cooker is good for slow cooking of a lot of food.
The second kind of sun-cooker is a panel cooker. It has several flat walls that concentrate the sun-shine on the food. People can build panel cookers quickly. They do not cost much. In Kenya, for example, panel cookers cost just two dollars.
The third kind of sun-cooker is a parabolic cooker. It has rounded walls that concentrate sunlight into the bottom of the cooker. Food cooks quickly in parabolic cookers. However, these cookers are hard to make. They must be moved again and again to follow the sun. Parabolic cookers can also cause burns and eye injuries if they are not used correctly.
You can make sun-cookers from boxes or heavy paper. They will not catch fire. Paper burns at 232℃. A sun-cooker never gets hotter than that. Sun-cookers cook food at low temperatures over long periods of time. This allows people to cook food and do other things at the same time.
小题1:What does the underlined word fuel mean?A．燃料B．菜谱C．调料D．粮食小题2:If you want to cook food quickly, which kind of sun-cooker is your best choice?A．a box cookerB．a panel cookerC．a parabolic cookerD．fire cooker小题3:Which kind of sun-cooker costs very little?A．a box cookerB．a panel cookerC．a parabolic cookerD．fire cooker小题4:Which of the following is TRUE?A．The first sun-cooker was made by a Swiss soldier.B．Sun-cookers often get hotter than 232℃.C．Parabolic cookers can be dangerous sometimes.D．It is more expensive to cook with a sun-cooker than on fire.小题5:What is the best title of this passage?A．How to Be a Good Cook?B．Cooking Meals With the SunC．How to Save Energy?D．Different Ways of Cooking 参考答案：
小题1:A
小题2:C
小题3:B
小题4:C
小题5:B
试题分析：这篇短文主要讲述了利用太阳能做饭的问题，并重点描述了三种太阳灶的特点与效能。
小题1:联系下文there is a much easier and cheaper way to cook food using energy from the sun.利用来自太阳的能量，可知选A。
小题2:根据Food cooks quickly in parabolic cookers.描述可知选C。
小题3:根据They do not cost much. In Kenya, for example, panel cookers cost just two dollars.描述可知选B。
小题4:根据Parabolic cookers can also cause burns and eye injuries if they are not used correctly.描述可知抛物面炊具有时很危险，故选C。
小题5:这篇短文主要讲述的即使利用太阳能做饭的事情，故选B，用太阳能做饭。
点评：本文浅显易懂，各个小题都能在文中找到适当依据。只要认真阅读短文，注意前后联系，就能顺利完成阅读。文章所设试题主要考察细节查找，做题关键是找出原文的根据，认真核查小题和原文的异同。

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