《高二unit 9課件ppt》 (nx)-全文預(yù)覽
【正文】 ater plane. Unfortunately, most of the water cannot be used for drinking. The earth is already being a thirsty pla, but there is still time to do something about the problem. If we want to have enough water in the future, we must learn to take better care of our water. We must stop polluting our water. We must learn to save water in our daily life. We should take better care of our water. Most of the fresh water on the earth is being used for farming. We use clean water to grow food. We need food, of course, but we must be more careful when we use our water. Too much water is being wasted because we are using old ways of watering our plants. We must solve this problem if we want to have enough water in the future. The best way to solve the problem is to use the knowledge and technology that some countries have already developed.
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