题目

根据对话内容，从下面方框中选择适当的单词或短语填空，使对话内容完整正确 thousands of       hopeless     turning off       so      What     A:  Hey! I met a student from a green school in Dalian. B:  A green school?      1    is it? A:  It is a school which supports the protection of the environment. In fact,    there are   2   green schools in China. It’s wasteful to throw away glass,   paper and metal,   3    every class in such schools collects waste that can be used again and then sells it for recycling（再利用）。 B:  Great! What else do they do? A:  They also save energy and tricycle things at home, such as   4   lights and saving water. B:  If everyone tries to protect the environment, we will make the world much better. A:  I agree. If we don’t, the future is    5   . B:  Anyway, public concern over the environment has greatly increased. There is hope for the future. 答案：    1. What    2. thousands of   3. so     4. turning off      5. hopeless

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