九年级下册英语第13单元SectionA-1

1、Unit 13Section A 1a-2d学习目标 Key words & phrases: litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic，make a difference Key sentences: 1. The river was dirty. Even the bottom of the river was full of rubbish. 2. It used to be so clean. 3.People are throwing litter into the river.Read a

2、nd learnWords and expressions新课导入新课导入The earth is polluted.air pollutionThe factories that burn coal pollutethe air with a lot of black smoke. n. 煤炭煤炭Factories put waste into the river.water pollutionmobile phone pollutionlitter v. 乱扔乱扔 n. 垃圾垃圾rubbish waste垃圾，废弃物垃圾，废弃物People should throw away litter

3、 in the bin.n. 垃圾箱垃圾箱noise pollutionThere are more cars on the road.课文展现课文展现1aHere 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 musicplanesmobile phonesfactoriescarssmokingshipsfactories

4、litteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones1bListen and complete the sentences.What was the problem?The river was _. Even the bottom (底部底部) of the river was full of _. There were no more _ for fishermen (渔

5、民渔民) to catch.really dirtyrubbishfishWhat caused the problem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.litterwastegovernmentclose downclea

6、n up1cThe river was dirty. Even the bottom of the river was full of rubbish.But it used to be so clean!Yes, but people are throwing litter into the river.Everyone in this town should play a part in cleaning it up!Make conversations using the pollution in 1a.The river has always been the nicest river

7、 in this town.Yes, it used to be so clean.What caused the problem?But I was there last weekend and the river was really dirty.Factories are also putting waste into the river.People are throwing litter into the river.What should we do?Yes, everyone in this town should play a part.We should write to t

8、he government and ask them to close down the factories.What else can we do?Everyone should help to clean up the river.1. Were trying to save the earth! 我们正在竭尽全力拯救地球我们正在竭尽全力拯救地球! try to do =try ones best to do 努力去做某事。努力去做某事。 e.g. Every student should try to study hard in order to study in a universit

9、y. 为了进入大学学习，每个学生都应该为了进入大学学习，每个学生都应该 努力学习。努力学习。2. Here are some words related to different kinds of pollution. be related to 与与有关有关 e.g. I am not related to him in any way. 我和他无任何关系。我和他无任何关系。 3. Everyone in this town should play a part in cleaning it up! play a part in 在在方面起作用方面起作用 e.g. A good diet p

10、lays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着健康的饮食在帮助人们长寿方面起着 非常大的作用。非常大的作用。play a part 在在中扮演角色中扮演角色 e.g. He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。他被邀请参加这个电视剧的演出。4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the

11、 river.litter和和rubbish都可指都可指“垃圾垃圾”，用作不可，用作不可数名词数名词。rubbish指指“没用的东西没用的东西(被扔或将要丢弃的被扔或将要丢弃的无用的东西无用的东西)”不可回收不可回收。litter指指“(室内或公共场所室内或公共场所)乱扔的废物乱扔的废物(纸屑、纸屑、不要的包装纸、废瓶等不要的包装纸、废瓶等)”还可回收。还可回收。e.g. Throw the rubbish out. 把垃圾扔出去。把垃圾扔出去。The room is full of rubbish. 房间里堆满了垃圾。房间里堆满了垃圾。Pick up your litter after a

12、picnic. 野餐后将废弃物收拾好。野餐后将废弃物收拾好。 2aListen to the interview. Circle the kinds of pollution that Jason and Susan talk about. land pollution B. air pollutionC. noise pollution D. water pollution2bListen again and complete the sentences.1. The air is badly polluted because there are _ on the road these da

13、ys.2. Factories that burn coal also _ the air with a lot of black smoke.more carspollute3. 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 (丑陋丑陋) ones. are throwing awaypublic placesRole-play

14、 conversations between Jason and Susan.2cThe air has become really polluted around here. Im getting very worried.Yes, I used to be able to see stars in the sky.The problem is that What should we do to save the earth?Turn off the lights when you leave a room.关掉关掉stop riding in carsstop using paper to

15、wels or napkins（餐巾，餐巾纸）（餐巾，餐巾纸）recycle books and paper回收利用回收利用2dRead 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木头的木头的) chopsticks or plastic forksrubbishtake the bus, subway or ride a bike instead of driving. bring a bag to go shopping.use chopsticks or fo

16、rks at home.throw rubbish in the bins.Jason and Susan, what are your ideas for solving these problems?This is turning beautiful places into ugly ones. turn into 把把变成变成e.g. The icy rain seemed like to turn into snow. 渐渐地冻雨又变成雪花的模样。渐渐地冻雨又变成雪花的模样。 2. Its good for health and it doesnt cost anything! cos

17、t v. 花费；使付出花费；使付出 指花费金钱，主语通常是物。指花费金钱，主语通常是物。cost的过去式和过的过去式和过去分词均为去分词均为cost。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了王先生花了200元买了新衬衫。元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？新电脑花了多少钱？take, spend, pay & costtake，spend，pay和和cost都可以表示都可以表示“花花费费”，但它们的用法各有不同。，但它们的用法各有不同。1) take多表示花费

18、时间多表示花费时间，常用于，常用于It takes sb. some time to do sth.这一句型中，其中这一句型中，其中it作形式主语作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner.2) spend多表示花费时间和金钱，主语通常是人多表示花费时间和金钱，主语通常是人，常，常用于用于sb. spend(s) some time / money on sth.和和sb. spend(s) some time / money (in) doing sth.两种句两种句型。型。 e.g. David spent 2

19、,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.3) pay多表示花费金钱，主语通常是人多表示花费金钱，主语通常是人，常用于，常用于sb. pay(s) some money for sth.句型。句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花费金钱，主语通常是物多表示花费金钱，主语通常是物，常用于，常用于sth. cost(s) (sb.) some money.句型

20、。句型。 e.g. The new dress cost Linda 88 yuan.根据句意用根据句意用take, spend, pay或或cost的适当的适当形式填空。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.cost spent takes4. You should _ some time practising your pronunciation.5. My brother _ 6, 000 yuan for the new computer yesterday.spendpaid3. So together, our actions can make a difference and lead to a better future! make a