nergy, atmosphere, waste, balance, poison , poisonous, recycle, resource, conservation, phenomenon 二. Expressions 1. help sb. out 2. die out=extinct 3. in ruins 4. escape from 5. look/ search/ hunt for 6. protect the wild animals from being killed/ hunted 7. acid rain 8. carbon dioxide 9. global warming 10. environmentally friendly 11. greenhouse effort 12. take action/ measures/ steps todo13. wind power 三. Sentences 1. Let ’s work together and do what we can/ doour best to make the earth a better place for you and for me to live in. 2. It seems that they are not worried at all about the fact that wild animals are endangered. 3. All the rescues are being carried out. Besides, donations as well as materials are being sent to the earthquake-hit areas. 话题十九世界与环境(The world and the environment)
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