题型：阅读选择 题类： 难易度：普通
浙江省杭州市杭州中学2023-2024学年八年级上学期期中英语试卷
①Millions 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 using energy from the sun.
②Solar cookers have been used for centuries.A Swiss scientist made the first solar cooker in 1777.Today，people are using solar cookers in many countries around the world.People use them to cook food and to heat drinking water.
③There are three kinds of solar cookers.The first is a box cooker.It is designed with a special wall that collects sunshine into the box.A box cooker is good for slow cooking of a lot of food.
④The second kind of solar cooker is a panel cooker.It has several flat walls that collect the sunshine onto the food.People can build panel cookers quickly.They do not cost much.In Kenya，for example，panel cookers cost just two dollars.
⑤The third kind of solar cooker is a parabolic（抛物线的） cooker.It has rounded walls that collect sunlight into the bottom of the cooker.Food is cooked 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.
⑥You can make solar cookers from boxes or heavy paper.They will not catch fire.Paper burns at 232℃.A solar cooker never gets hotter than that.Solar cookers cook food at low temperatures over long time.This allows people to cook food and do other things at the same time.
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