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大学英语四六级考试阅读提高的练习（33）

发布时间：2016-03-03 编辑：查字典英语网小编

　　A little wind is blowing when you come out. The fire isnt quite ready for cooking yet, so you play tag or read.

　　For lunch there are hot dog, corn, salad and rolls, sodas, fruit, and coffee for the adults. By the time the coffee water boils and the corn and hot dogs are cooked, all the bathing suits are dry. So are the towels spread out on the rocks, in the sun.

　　Lunch is good. Just as you are finishing, it starts to rain so you pack up and run. But nobody minds the rain. It will cool things off.

　　At the same time you were having fun at the beach, work was being done. Energy from the sun was doing work. Energy, in one form or another, does all the work in the world.

　　Heat energy from the sun dried the towels. It heated the sand and the rocks, the water and the air. It even made the rain and the wind. Heat from the sun does small work and big work, all over the earth.

　　Light energy from the sun was working on the beach too. It supplied the daylight.

　　It lit the earth and made the sand bright and the water sparkling.

　　The sun also supplied the energy that grew the food you ate.

　　Plants use light energy from the sun to make food for themselves. The food is a kind of sugar. It is also a kind of energy called chemical energy. Green plants change light energy from the sun into chemical energy.

　　Plants use some of that energy for everyday living and growing. They store the rest in their leaves and seeds, in fruit, roots, stems, and berries.

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