人教新目标 (Go for it) 版九年级全册Unit 13 We’re trying to save the earth!Section A获奖ppt课件

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D yu knw Wrld Earth Day?
Presentatin
It is n April 22.It was first celebrated in 1970.
The earth is mre plluted.The theme is t prtect the envirnment and save the earth.
Plant trees.Save energy and water.Take public transprtatin.Use plastic r wden things less.……
water pllutin
nise pllutin
air pllutin
What is the prblem?
What caused the prblem?
air pllutin
Sme factries burn cal and they pllute the air with a lt f black smke.
There are mre and mre cars n the rad. They put the waste int the air.
Lud music and building huses cause the nise pllutin.
water pllutin
Peple thrw litter int the river directly.
Sme factries put the waste water int the river.
Here are sme wrds related t different kinds f pllutin. Write them in the bx belw. Then add mre wrds.
litter v. 乱扔 n. 垃圾；废弃物
rubbish n. 垃圾；废弃物
nise pllutin ________________________________________________
air pllutin ____________________________________________
water pllutin ________________________________________________
mbile phnes
building huses
machines/crwds…
burning/chemical materials…
industrial waste …
litter 作不可数名词，意为“垃圾；废弃物”。litter和rubbish都可指“垃圾”，用作不可数名词。rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。
eg: There were piles f litter n the streets. 街上有一堆一堆的废弃物。 There will be fines fr peple wh drp litter . 乱扔垃圾的人将被罚款。 Thrw the rubbish ut. 把垃圾扔出去。 　　The rm is full f rubbish. 房间里堆满了垃圾。
Pre-listening
Predict what Tny and Mark are talking abut accrding t the chart.Predict the answers befre listening.
请认真阅读句子，分析每空应填词性，预测所填内容
n. 底部；最下部 反义词是tp (顶端；顶部)
fisherman n.渔民；钓鱼的人
Listen and cmplete the sentences.
really dirty
Listen again and answer the questins.
He wants t g swimming in the river.
Because the river was really dirty. Even the bttm f the river was full f rubbish, and there were n mre fish fr fishermen t catch.
It used t be s clean.
2. Why desn’t Mark want t g with Tny?
What des Tny want t d later this afternn?
3. Hw was the river in the past?
Listen and read.
Tny: Hey, Mark, maybe we culd g swimming in the river later this afternn. Mark: I dn’t think I want t g, Tny.Tny: Why nt?Mark: I was there last weekend and the river was really dirty. Even the bttm f the river was full f rubbish, and there were n mre fish fr fishermen t catch.Tny: N way! It used t be s clean. In fact, it has always been the nicest river in this twn.
曾经……; 过去经常……表示过去习惯性的动作但如今已不存在。
Mark: Nt anymre. I think peple are thrwing litter int the river. Factries are als putting waste int the river.Tny: That’s terrible! We shuld write t the gvernment. They shuld clse dwn the factries. Mark: Gd idea! But I think everyne in this twn shuld help t clean up the river, t. Everyne shuld play a part, nt just the gvernment.
参与；扮演角色；起作用
play a part in ding sth. “参与做某事; 在做某事上起作用”。
Tny wants t g _________ in the river with Mark this afternn. But Mark desn’t want t g, _______ he went there last weekend and the river was really ______. Even the ______f the river was full f _______, and there were n mre fish fr fishermen t _______. Tny thinks the river used t be s ______. It has always been the _______(nice) river in this twn. Mark tells Tny that peple are thrwing _____ (垃圾）int the river. Factries are als putting _____(废气物) int the river. They decide t write t the __________ (政府）and hpe that it culd _________ (关闭）the factries. They als think that everyne shuld help t ________ (清理 )the river and __________ (发挥作用） in prtecting the envirnment.
Retell the cnversatin.
play a part
Rle-play the cnversatin. Then make yur wn cnversatins abut the kinds f pllutin in 1a.
Mark: The river was dirty. Even the bttm f the river was full f rubbish.Tny: But it used t be s clean!Mark: Yes, but peple are thrwing litter int the river.Tny: Everyne in this twn shuld play a part in cleaning it up!
参与……；在……方面起作用；在……中扮演角色
Hunt the wrds.
全班分为四个大组，每组选择一个上面（2a）所列的主题，根据主题开展词汇接力，每个人必须说出与前一个同学说的词汇有关联的单词或者短语，看看哪一个组能在规定时间（2分钟）内说出最多的相关词汇。
A. land pllutin B. air pllutin C. nise pllutin D. water pllutin
land pllutin
e.g. Land pllutin: rubbish, dirty, thrw, dustbin, clean up
一分钟时间回顾本组同学所列词汇，写在笔记本上，看看哪个同学能在规定时间内写出最多的词汇。
Listen t the interview. Circle the kinds f pllutin that Jasn and Susan talk abut.
A. land pllutin B. air pllutin C. nise pllutin D. water pllutin
Listen again and cmplete the sentences.
1. The air is badly plluted because there are _____________ n the rad these days.2. Factries that burn cal als ___________ the air with a lt f black smke.3. There is als t much rubbish and waste. Peple ________________ things every day.4. Peple are als littering in ________________ like parks. This is turning beautiful parks int ugly nes.
are thrwing away
public places
Listen again and cmplete the cnversatin.
Interviewer: Tday we’re talking t Jasn and Susan abut______________________ . Jasn and Susan, can yu tell us abut sme f the prblems yu’ve seen?Jasn: I think ne prblem is that the air __________________. I ___________ see blue skies anymre.Susan: Yes, and I ___________ the stars clearly.
envirnmental prblems
is badly plluted
hardly ever
Interviewer: What d yu think _________________ this prblem?Susan: Well, there are mre cars n the rad these days.Jasn: And factries that ___________ als pllute the air with a lt f _________________.Interviewer: What ther prblems d yu see?Susan: I guess there’s _______________________________ in the streets.
t much rubbish and waste
Jasn: Yes! Every day peple_______________________ like wden chpsticks, plastic bwls and plastic bags.Susan: They’re als ________________________, fr example, during picnics in parks. This is __________________________ ugly nes.Interviewer: Yu’re right. These are serius prblems fr ur envirnment. Next, let’s talk abut the things we can d t help.
are thrwing away things
littering in public places
turning beautiful places int
Interviewer: Tday we’re talking t Jasn and Susan abut envirnmental prblems. Jasn and Susan, can yu tell us abut sme f the prblems yu’ve seen?Jasn: I think ne prblem is that the air is badly plluted. I hardly ever see blue skies anymre.Susan: Yes, and I used t see the stars clearly.
Interviewer: What d yu think has caused this prblem?Susan: Well, there are mre cars n the rad these days.Jasn: And factries that burn cal als pllute the air with a lt f black smke.Interviewer: What ther prblems d yu see?Susan: I guess there’s t much rubbish and waste in the streets.
cal n. 煤；煤块
Jasn: Yes! Every day peple are thrwing away things like wden chpsticks, plastic bwls and plastic bags.Susan: They’re als littering in public places, fr example, during picnics in parks. This is turning beautiful places int ugly nes.Interviewer: Yu’re right. These are serius prblems fr ur envirnment. Next, let’s talk abut the things we can d t help.
ugly adj. 丑陋的；难看的
wden adj. 木制的；木头的
plastic adj. 塑料的 n. 塑料；塑胶
Use the infrmatin in 2a and 2b t rle-play cnversatins between Jasn and Susan.
The air has becme really plluted arund here. I’m getting very wrried.
Yes, I used t be able t see stars in the sky.
The prblem is that ...
Key expressins:Wrds:litter, bttm, fisherman, cal, public, ugly, advantage, cst, wden, plastic, the bttm f, make a differenceSentences:1) The river used t be s clean.2) Peple are thrwing litter int the river.3) It has always been the nicest river in this twn.4) We shuld write t the gvernment.5) I think ne prblem is that the air is badly plluted.
及时小结才能巩固所学知识
We lve the earth. It is ur planet.We lve the earth. It is ur hme.
Earth is ur mther. Withut earth,withut life.
We can d it frm little things,fr urselves and fr ur “mther”.