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七年级下册英语书水的作文 篇一： water can change from one form to another. The heat of the sun evaporates water from the oceans, rivers and lakes. Heat also causes water to evaporate from the ground, animals and plants to form water vapor. In the air, clouds form. When clouds approach mountains, they are forced to rise with the clouds. The higher they rise, the more they cool, which leads to more and more water vapor in this way As they condense, small droplets of water in the clouds get bigger and bigger until they become heavy enough to fall on earth with the rain. Some of the rain that falls on the earth is evaporated, and part of it goes down to the ground, which may be exhausted by thirsty plants, and it may reach a well or a spring. In this process, most of the water flows back to the rivers, oceans and oceans, and then starts over again, a process called the water cycle. 篇二： High on the earth's surface, water molecules turn into liquids and fall to the earth as rain settles. Rainwater flows from streams to large reservoirs that provide drinking water for people and animals. At this point, water begins to return to nature in every home. It flows out of the sink in the bathroom, flushes into the toilet community sanitary sewer system, after being treated, the clean water is discharged into the lake or river near the bay or sea, and then used by others for irrigation, industrial or drinking water along the way, otherwise it will evaporate into the atmosphere or return to the rest of the world. 本文来源：https://www.dywdw.cn/5bdbeb1fcfbff121dd36a32d7375a417866fc1e9.html
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2022-08-20
