Unit 13 We're trying to save the earth!达标测试卷（含答案+听力原文 无听力音频）

B. Burning less coal. C. Planting more trees. 5. What will they do tomorrow A. Clean the beach. 　　　　

B. Help to clean the park. C. Collect rubbish in the street. 二、长对话理解。(共5小题，每小题1分，满分5分) 听下面一段对话，回答第6、7小题。 6. Why are many animals in danger A. They can't get enough food. B. The environment is polluted. C. They have no places to live in. 7. What's the best way to protect animals A. Keeping them in zoos.

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