英语人教版九年级全册Unit13 SectionA 1a-1d.ppt

1、,Section A 第一课时(1a -1c),Unit 13 Were trying to save the earth.,人教版 九年级下册,Unit 13 We are trying to save the earth!,litter v. 乱扔 n.垃圾；废弃物,bottom n. 底部；最下部,fisherman n. 钓鱼的人,coal ugly advantage cost wooden plastic takeaway bin,Remember?,1a,Here are some words related to different kinds of pollution. Wr

2、ite them in the box below. Then add more words.,noise pollution _ _ _ _,air pollution _ _ _ _,water pollution _ _ _ _,loud music; cars; building house; ships; planes,smoking; factories,factories; rubbish; littering,1b,Listen and complete the sentences.,really dirty,rubbish,fish,litter,waste,governme

3、nt,close down,clean up,The river was dirty. Even the bottom of the river was full of rubbish.,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 shou

4、ld play a part in cleaning it up!,2b.linsen and complete the sentences. 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. 3.There is also too much rubbish and waste.people_ things every day. 4.People are also li

5、ttering in _ like parks.this is turning beautiful places into ugly ones.,more cars,pollute,are throwing away,public places,Take the bus or subway instead of driving.,Or ride a bike. There are other advantages of bike riding. its good for health And it doesnt cost anything!,What are your ideas for so

6、lving these problems? to cut down the air pollution,Role-play,What about waste pollution?,Bring a bag to go shopping. Throw rubbish in the bins and keep public clean.,Never take wooden chopsticks or plastic forks,What can we do?,Air pollution,Waste pollution,Close down the factory,Walk or ride a bik

7、e,Never use wooden chopsticks or plastic forks,Throw rubbish in bins,Bring a bag when shopping,A :What can we do to cut down the air pollution? B:Well,I think we should write to the government and ask them to close down the factories. A ：Yes ,and we can also walk or ride a bike instead of driving!,t

8、ry to do =try ones best to do 努力去做某事。 play a part in 在方面起作用 turn into 把变成 make a difference (to) 表示(对)产生影响或作用,Language points,take, spend, pay & cost take，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。 1) take多表示花费时间，常用于It takes sb. some time to do sth.这一句型中，其中it作形式主语。 2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s)

9、 some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。 3) pay多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday. 4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money. 句型。 e.g. The new dress cost Linda 88 yuan.,1.街道上充满了垃圾。

10、 The street _ _ _ rubbish. 2. 乱扔垃圾造成污染。 _ causes pollution.,is full of,Littering,3. 这座城市过去如此的干净。 The city _ _ (过去) be so clean. 4. 过去山上有那么多的树。 There _ _ _ (过去有) so many trees on the hills.,used to,used to be,1.我们正在竭尽全力拯救地球! 2.你能把花变成钱吗？ 3.空气被严重的污染。,We are trying to save the earth.,Can you turn the fl

11、owers into money?,The air is badly polluted.,根据句意用take, spend, pay或cost的适当形式填空。 1) That new car _them lots of money. 2) Mona _ 50 yuan on the books just now. 3) It usually _me an hour to do my homework. 4) You should _some time practising your pronunciation. 5) My brother _6, 000 yuan for the new co

12、mputer yesterday.,cost,spent,takes,paid,spend,Air pollution,Waste pollution,Close down the factory,Walk or ride a bike,Never use wooden chopsticks or plastic forks,Throw rubbish in bins,Bring a bag when shopping,A :What can we do to cut down the air pollution? B:Well,I think we should write to the government and ask them to close down the factories. A ：Yes ,and we can also walk or rid