【正文】
l resourcestake showersbrush the teeth8. 學(xué)生的數(shù)量9. 用紙的兩面10. 回收空瓶子11. 關(guān)燈12. 做一個(gè)調(diào)查13. …… 的結(jié)果14. 保護(hù)環(huán)境number of students use both sides of the paper recycle empty bottles turn off the lights do a survey the result of … protect the environment1. 幾乎沒(méi)有學(xué)生帶他們自己的袋子去超市。3. 調(diào)查表明學(xué)生為幫助保護(hù)環(huán)境正在做許多 事。ve learnt a lot about what we can do to protect the environment. Can anybody tell us some other ways to protect the environment? Sandy and Kitty are also talking about how to protect the environment. Listen to their conversation and answer the questions.1. What has been a serious problem all around the world?2. What can Kitty do to protect the environment?3. Is air pollution harmful to our health?Pollution has bee a serious problem all around the world.She can plant more trees.Yes, it is.Listen to their conversation again and find out the advantages of planting trees.? Trees make our town look nicer.? Trees reduce dust an