牛津八下Unit8同步练习Ⅰ
Ⅰ. 阅读下面的对话，从方框里选择合适的单词，并用其正确形式填空。
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dig, plant, cut, blue, pollution, serious, wise, save, environment, realize
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Andy: Do you know what we will do during our class trip this weekend?
Wendy: We will climb the hill and have a picnic. And, some trees will be (1) at the foot of the hill.
Andy: Yes. We have already prepared some young trees. I am so happy that I can do something to fight (2) . And I am looking forward to (3) in the ground with my new spade (铁锹).
Wendy: Yes. The dirty air is a (4) problem. With more trees, we will have a (5) sky than before.
Andy: You’ve got the point. It’s great that more and more people have (6) how terrible the problem is. They are taking action to create a greener world. More people are taking part in (7) the Earth.
Wendy: That’s good news. It is (8) of people to plant trees. Trees are important in a clean and green (9) .
