人教九年级Unit13 We’re trying to save the earth. Section A 1a-1c课件（共21张ppt）

课件21张PPT。Unit 13
We are trying to save the earth. Section A 1a-1cLead inrubbishThe earth is polluted. Pollution Because of pollution, our sky isn’t blue any more.Because of pollution, the water is no more clean.Because of pollution, more and more people die from cancer.Because of pollution, many animals were killed.
Because of pollution, more and more animals don’t have places to live in.How many kinds of pollution do these pictures show?noise pollutionwater pollutionair pollutionland pollutionWhat kinds of pollution do you know?noise pollutionwater pollutionair pollutionloud music planes building
houses mobile phonesrubbish littering ships
factoriescars factories smoking
building housesThe world's problemsWhile listeningTask 1听1b录音一遍，回答下面的问题：
What kind of pollution are Tony and Mark talking about? __________________Water pollution Task 2Listen and complete the sentences.really dirtyrubbishfishlitterwastegovernmentclose downclean upE.g.
Mark: The river was dirty. Even the bottom
of the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are throwing litter
into the river.
Tony: Everyone in this town should play a
part in cleaning it up!Pair work根据1b的表格提示，和同伴分角色表演Tony和 Mark的对话。结合1a的内容，再任选一种污染表演对话。 Finish the conversation and role-play it .1c Finish another conversation and role-play it .1cPoints on P97
try to do =try one’s best to do 努力去做某事
be related to… 与……有关
mobile phones 手机
rubbish, litter ,waste 垃圾,废物
the bottom of the river 河底
be full of 充满……
fisherman-fishermen 渔民
throw litter into the river 把垃圾扔到河里
ask sb. to do 要求某人干某事
close down the factories 关闭工厂
clean up 打扫
used to be…过去是…
play a part in…参与，在……中扮演角色

Memory
努力去做某事
与……有关
手机
垃圾,废物
河底
充满……
渔民
把垃圾扔到河里
要求某人干某事
关闭工厂
打扫
过去是…
在……中起作用，在……中扮演角色

try to do be related to mobile phones litter ; rubbish; waste the bottom of the riverbe full of fisherman throw rubbish into the river ask sb. to do sth. close down the factories clean up used to be play a part in 跟读录音，注意模仿孩子们描述污染时气愤的语音与语调。模仿秀try to use the public transportationrecycle books and paperturn off the light when you leave a roomturn off the shower while you are washing your hairPair workUse the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: The air has become really polluted around here. I’m getting very worried.
Susan: Yes, I used to be able to see stars in the sky.
Jason: The problem is that …What should we do?
1. We should take _______ or _______ instead of driving.
2. We should also ___________ ________ _________. It’s good for health!
3. Bring ___________ to go shopping.
4. Never take _________ or__________ when buying takeaway food.
5. ____________ in the bins and keep public places clean and beautiful.我的收获Words：(词)Listening skill:(听力技巧)Sentences: (句) 根据问题预测听力关注点。litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference1) The river used to be so clean.
2) People are throwing litter into the river.
3) It has always been the nicest river in this town.
4) We should write to the government.
5) I think one problem is that the air is badly polluted.Thank you!