人教版英语九年级13单元第一课时PPT

1、,section a 第一课时(1a -2d),unit 13 were trying to save the earth.,人教版 九年级下册,1a,here are some words related to different kinds of pollution. write them in the box below. then add more words.,noise pollution _ _ _ _,air pollution _ _ _ _,water pollution _ _ _ _,loud music; cars; building house; ships; pl

2、anes,smoking; factories,factories; rubbish; littering,1b,listen and complete the sentences.,really dirty,rubbish,fish,1b,listen and complete the sentences.,litter,waste,1b,listen and complete the sentences.,govenment,close down,clean up,the river was dirty. even the bottom of the river was full of r

3、ubbish.,but it used to be so clean!,1c,role-play the conversation. then make your own conversations about the kinds of pollution in 1a.,yes, but people are throwing litter into the river.,everyone in this town should play a part in cleaning it up!,2a,listen to the interview. circle the kinds of poll

4、ution that jason and susan talk about.,a.land pollution b.air pollution c.noise pollution d.water pollution,b. air pollution,1. the air is badly polluted because there are _ on the road these days. 2. factories that burn coal also _the air with a lot of black smoke.,2b,listen again and complete the

5、sentences.,more cars,pollute,3. there is also too much rubbish and waste. people _ things every day. 4. people are also littering in _like parks. this is turning beautiful places into ugly ones.,2b,listen again and complete the sentences.,are throwing away,public places,听力巩固训练,1. i _ _ _ able to see

6、 stars in the sky, but now i cant see them clearly. 2. the air _ _ really _ around there. 3. people are also _ in public places. 4. the factories that burn _ also _ the air with a lot of black smoke.,used to be,has become pulluted,littering,coal pollute,the air has become really polluted around here

7、. im getting very worried.,yes, i used to be able to see stars in the sky.,the problem is that,2c,use the information in 2a and 2b to role-play conversations between jason and susan.,listen to the tape and find the groups,2d,cut down the pollution,other advantages of bike riding,waste pollution,simp

8、le thing,wooden chopsticks,listen to the tape and find the groups,2d,plastic forks,public places,make a difference,lead to a better future,read it and fill the charts.,we should take the bus and subway instead of driving.,there are other advantages of bike riding.,read it and fill the charts.,1.brin

9、ging a bag to go shopping can help. 2.throw the rubbish in the bins and keep the public places clean and beautiful.,i never take wooden chopsticks or plastic forks,1.litter 不可数名词,“垃圾；废弃物”. (动词)乱扔eg. dont litter the waste. 2.at the top of在顶部 at the bottom of在的底部 3.play a part in sth/doing sth 参与某事/在方

10、面起作用,language points,4.throw-threw-thrown throw sth at/to sb朝扔 throw sth into把扔进 5.pollute(vt.)-pollution(不可数名词) polluted(adj.)污染的 eg.the river has been polluted. we should cut down the pollution. the air became polluted,language points,6.rubbish/waste/health 不可数名词 7. advantage(s)作可数名词,“有利条件,优点” 反义词

11、disadvantage. 8. cost-cost-cost sth cost (花费) sb+钱某物花费某人多少钱 sth cost (价值) +钱 某物价值多少钱 eg. the book cost me 10 yuan. the book cost 10 yuan.,9.be good for意为“有益于；适于” be good for+sth/doing sth 10. lead sb to do sth 引导某人做 lead sb to +地点 带领某人去某地,1. the street _ _ _ (充满了) rubbish. 2. _ (litter) causes pollu

12、tion. 3. factories are putting _ (pollute) water into the river.,is full of,littering,polluted,4. the city _ _ (过去) be so clean. 5. we should play a part in _ (clean) the city up. 6. there _ _ _ (过去有) so many trees on the hills.,used to,cleaning,used to be,7.根据汉语意思完成句子。 1)没有再多的鱼让渔民来捕了. there _ _ fis

13、h for fishmen _ _ . 2)人们正把垃圾扔进河里. people _ _ litter _ the river. 3)工厂正把废弃物放进河里 factories _ _waste _ the river.,no more,to catch,are throwing,into,are putting,into,4)每个人应积极参与清理河流. everyone should _ _ _ _ _ the river up. 5)空气被严重的污染了. the air was _ _ . 6)我过去常常能在天空中看到星星. i used to _ _ _ see the stars in the sky.,play a part in cleaning,badly polluted,be able to,1.-how much is the ticket to central park? -a one-way