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四、从方框中选择适当的词填空,补全短文。
beautiful mountains save clothes down
Look at our blue planet (地球). There are plains (平原), 1., rivers, lakes and oceans on it. There are all kinds of trees, flowers and grass on it. There are all kinds of animals living together with us. Don't you want to keep our planet 2.? But sometimes we do bad things to it. We waste too much water. We cut 3. too many trees. We hurt too many wild animals for food or 4.. We shouldn't do these things. We should 5. our planet, because we have only one planet.
beautiful mountains save clothes down
Look at our blue planet (地球). There are plains (平原), 1., rivers, lakes and oceans on it. There are all kinds of trees, flowers and grass on it. There are all kinds of animals living together with us. Don't you want to keep our planet 2.? But sometimes we do bad things to it. We waste too much water. We cut 3. too many trees. We hurt too many wild animals for food or 4.. We shouldn't do these things. We should 5. our planet, because we have only one planet.
答案
1. mountains 2. beautiful 3. down 4. clothes 5. save
