Chapter2课文要点短语.ppt

1. Trees give out harmful gases. = Trees produce harmful gases. 2. Trees can pass imformation to one another . pass sth. to sb. = pass sb. sth ; one another = each other = Trees can pass each other information. 3. a class project on pollution. on = about 4. Why are you so interested in trees? be interested in = be keen on = be fond of = Why are you keen on / fond of trees? be interested in= enjoy doing sth=likevery much I am interested in swimming. = I like swimming very much. = I enjoy swimming.,5. The paper in your notebook all come from trees. come from = be from = The paper in your notebook are all from trees. 6. They cool the air and clean it. cool sth and clean sth = make sth. cool and clean = They make the air cool and clean. 7. The other trees then produce a chemical to produce = give out 8. Pass each other food and water. = Pass food and water to one another. 9.Trees are communicating with one another. = Trees are sending messages to each other. 10. They are in great danger. be in danger = be not safe = They are not safe.,抗污染卫士 发出；放出 收集一些事实材料 一项关于污染的课题 关于某事采访某人 对感兴趣 生物 在地球上 对有用/益 在你的铅笔的末端 喜欢呼吸新鲜空气 因而感性某人,1. pollution fighter 2. give out 3. collect some facts 4. a class project on pollution 5. interview sb. about sth 6. be interested in sth / doing sth. 7. living things 8. on Earth 9. be useful for 10. on the end of your pencil 11. enjoy breathing fresh air 12. thank sb. for sth,13. 天然空调 14. 冷气空气 15. 对某事了解很多 16. 产生一种化学物质 17. 自我保护 18.彼此连接 19.互相交流 20. 处境危险 21. 砍倒 22. 最好的抗污染斗士 23. 保护环境,13. natural air conditioners 14. cool the air 15. know a lot about sth. 16. produce a chemical 17. protect oneself 18. join each other 19. communicate with one another 20. be