八年级英语Pollution Fighters教案2

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14. enjoy breathing pure， cool air (enjoy doing sth)
15. breath (n.) [breθ］/ breathe (v.) [bri： ］
Exercises： 1) People ＿＿＿＿＿＿＿＿ slowly when they are sleeping.
2) You can see people‘s ＿＿＿＿＿＿＿＿＿＿＿ on a cold day.
3) I need a ＿＿＿＿＿＿＿＿＿ of a fresh air.
4) The doctor told me to ＿＿＿＿＿＿＿＿＿＿ in and ＿＿＿＿＿＿＿＿＿＿ out again slowly.
16. Thank sb for sth. e.g. Thank you for your help. / Thank you for helping me.
17. natural air conditioners 自然空调 (nature / natural)
18. take harmful gas from the air
19. release oxygen into the air
20. one and a half hectares of tree 一公顷半的树木
21. produce enough oxygen to keep your whole class alive and healthy for a year
　　产生足够的氧气供你们全班学生一年时间的存活和健康成长
22. Trees cool the air as well as clean it.
as well as... = besides / in addition to
e.g. On Sundays， his farm provided lunch as well as breakfast.
It is important for you as well as for me.
Father as well as his children hasn‘t been to Euro Disney. (远离原则)
William Shakespeare was an actor as well as a play writer. (强调前者)
= William Shakespeare was not only a play writer but (also) an actor. (强调后者)
23. Three trees can do the jobs of 15 air conditioners running (=as they are running ) almost all day.
24. know a lot about trees
25. attack a tree 攻击树 attract one‘s attention引起某人注意
26. warn its neighbors
27. warn sb of sth./sb warn sb against doing sth
?e.g. The policeman warned us against running across the road.警察警告我们不要跑着过马路。
? They warn people against destroying trees. 他们警告人们不要破坏树木。
28. protect themselves by producing a chemical 通过产生一种化学物质保护他们自己
29. chemistry (n.) / chemical (adj./n.) / chemist (n.)
Exercises： 1) 一个化学实验 a ＿＿＿＿＿＿＿＿＿＿＿ experiment
2) 一个化学工厂 a ＿＿＿＿＿＿＿＿＿＿＿ factory
3) 化学是她在学校时最好的科目 ＿＿＿＿＿＿＿＿＿＿＿ is her favorite subject at school.
4) 奇怪的化学反应使两个人相爱了. A strange ＿＿＿＿＿＿ makes two people fall in love.
5) 他去药房买药。 He went to the ＿＿＿＿＿＿＿＿＿＿＿＿ to buy some medicine.
30. make their leaves taste nasty 使得树叶尝起来味道很糟
31. make + 宾语 + do sth
32. join their roots together underground 在地下的树根盘环桓交错在一起
33. pass food and water around
34. pass (v.) / past (prep.)
Exercises： 1) I can ＿＿＿＿＿＿＿＿＿＿＿ a church on my way to school.
2) I walk ＿＿＿＿＿＿＿＿＿＿＿ the church.
3) 街道太拥挤了车无法通行。The street was so crowded that cars were unable to ＿＿＿＿＿＿＿＿.
4) 他走过那家商店。 He walked ＿＿＿＿＿＿＿＿＿＿＿ that shop.
35. communicate with each other 互相交流
36. be in danger
37. danger (n.) / dangerous (adj.) / dangerously (adv.)

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八年级英语Pollution Fighters教案2