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Unit 7 Protect the earth (Story Time) Protect the earth Save(节约 )water Save energy Save trees Dont use too much plastic. Wood comes from trees. What should we do? 听录音，为四段文本各写一个标题 。 能源 Energy comes from coal and oil. We should save water. Read and judge 1.Water is useful， so we should not waste it. ( ) 2.We use water to clean the things every day. ( ) 3.There is much water in many places. ( ) 4.We should not reuse the water. ( ) How do we save water? Water is useful(有用的 ). We drink water and use water to clean things everyday. In many places, there is not much water. We should not waste water. We should reuse(重复 使用 ) and save it. Why should we save water? 用直线画出原因 (Why do we save water?) 虚线画出方法 (How do we save water?) Read and choose 1. .Most of the energy comes from_. A. water and soil. B. coal and oil. 2. We should _ and we should not_. save energy; drive so much drive so much; save energy coal oil Step1: Read in groups. Step2: Guess the meaning of the new phrase. Step3: 用直线画出原因 (Why do we.?),虚线画出方 法 (How do we .?)。 cut down down： cut down trees： Step4: Check the answers. 你能用动作 解释这个词组吗？ Fill in the blanks _comes from trees. We use _ to make tables, chairs and many other things. We _cut down _trees because trees help _. plastic bags & plastic bottles
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