1、1Unit 13新词组1.噪音/空气/水污染/土地/废物 noise/air/water/ land/waste pollution 2.关闭工厂 close down the factories. 3.在河底 at the bottom of the river 在.的顶部 at the top of 4.参与做某事 play a part in doing sth.5.被严重污染 be badly polluted 6.太多垃圾和废品 too much rubbish and waste 7.扔掉 throw away8. 为了减少空气污染 to cut down air pollutio
2、n9.骑自行的优点 advantages of bike riding10.把垃圾扔进垃圾箱 throw rubbish in the bins11.保持公众地方干净 keep public places clean12.导向更好的未来 lead to a better future. 13.割掉 cut off 14扔回到 throw sth. back into 15.不仅而且 not only but also16.对环境有害 be harmful to the environment 17.下降太低 drop too low18.教育大众 teach the public19.完善法律
3、 develop laws20.科学研究 scientific studies 21.参加环保项目.take part in an environmental project22.拯救地球从小事做起 Saving the earth begins with small things .23被看做是. be considered (as) sth. 24.回收书纸/塑料袋 recycle books and paper / plastic bags25.好好利用某物 put sth. to good use （被动）be put to good use26.用垃圾建造某物.build sth.
4、out of rubbish. 27.拆除 pull down 被拆除 be pulled down28.被倒置（翻转）be turned upside down29.人们不穿的旧衣服 old clothes that people dont wear anymore. 30.环保的重要性 the importance of environmental protection31.把快乐带给别人 bring happiness to others32.使产生活力 bring sth. back to life33.市长 the city mayor34.多使用公共交通 take/use publ
5、ic transportation more旧词组：1. 努力做某事 try to do sth. 2. 清洁河流 clean up the river. 3. 在南部中国 in southern China 4. 每次 each time 5. (对).产生影响或作用 make a difference（to）6.变得越来越糟 get worse and worse7. 创建网站 set up a website 8. 改善环境 improve the environment.9负担不起做某事 cant afford to do sth. 10. 在最近 20到 30年间 in the last 20 to 30 years 11. help sb. out帮助解决问题，帮助摆脱困境 12. 在网上售卖 sell online
