1、Unit 2 Reading:Friends of the EarthWord box1. Earth n. 地球What do Friends of the Earth do?地球之友的成员们做什么？2. look after 照顾，照看Mum looks after us very well.妈妈把我们照顾得很好。3. environment n. 环境The environment is all the things round us.环境就是我们周围所有的东西。4. pollute v. 污染Sometimes people pollute the environment.有时人污染环
2、境。Dont pollute the air.不要污染空气。5. pollution n. 污染We have air pollution, water pollution and land pollution.我们有空气污染，水污染和土地污染。6. land n. 陆地，土地We dont have enough land here.我们没有足够的土地。7. keep v. 保持We must pick up rubbish and keep our city clean.我们必须捡起垃圾，保持城市清洁。8. pick up 捡起，拾起They pick up rubbish.他们把垃圾捡了
3、起来。9. into prep. 到。里面Put rubbish into rubbish bins.把垃圾丢进垃圾箱中。10. rubbish bin n. 垃圾箱Put rubbish into rubbish bins.把垃圾丢进垃圾箱中。11. leave v. 留下They tell people not to leave rubbish.他们告诉人们不要丢垃圾。12. promise v. 承诺，保证 n. 诺言We promise not to pollute the air.我们承诺不污染空气。We have a promise.我们有一个承诺。13. discuss v. 讨
4、论Lets discuss in groups.让我们进行小组讨论。14. reuse v. 再利用We promise to reuse shopping bags.我们承诺要再利用购物袋。Language focus1. I promise to keep our school clean.(1)promise to do承诺去做某事(2)promise not to do承诺不去做某事(3)keep our school clean保持我们的学校清洁keep sth +adj 保持。处于某状态keep the environment cleankeep the food freshkeep the city safe2. pollute the environment3. air pollution 4. water pollution5. land pollution6. pick up rubbish7. put rubbish into rubbish bins8. tell sb to do / tell sb not to do9. tell people not to leave rubbish
