九年级下册英语第13单元Section A-1

会计学1九年级下册英语第九年级下册英语第13单元单元Section A-1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.第1页/共51页Read and learnWords and expressions第2页/共51页新课导入新课导入第3页/共51页The earth is polluted.第4页/共51页air pollutionThe factories that burn coal pollutethe air with a lot of black smoke. n. 煤炭煤炭第5页/共51页Factories put waste into the river.water pollution第6页/共51页mobile phone pollution第7页/共51页litter 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 in the bin.n. 垃圾箱垃圾箱第8页/共51页noise pollutionThere are more cars on the road.第9页/共51页课文展现课文展现第10页/共51页1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.第11页/共51页noise pollution _air pollution _water pollution _loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones第12页/共51页1bListen 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 (渔民渔民) to catch.really dirtyrubbishfish第13页/共51页What 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 downclean up第14页/共51页1cThe river was dirty. Even the bottom of the river was full of rubbish.But it used to be so clean!第15页/共51页Yes, but people are throwing litter into the river.Everyone in this town should play a part in cleaning it up!第16页/共51页Make conversations using the pollution in 1a.The river has always been the nicest river in this town.Yes, it used to be so clean.第17页/共51页What caused the problem?But I was there last weekend and the river was really dirty.第18页/共51页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.第19页/共51页We should write to the government and ask them to close down the factories.What else can we do?Everyone should help to clean up the river.第20页/共51页第21页/共51页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 university. 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。第22页/共51页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。 第23页/共51页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 plays 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。第24页/共51页4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the 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。第25页/共51页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 picnic. 野餐后将废弃物收拾好。野餐后将废弃物收拾好。 第26页/共51页2aListen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollution B. air pollutionC. noise pollution D. water pollution第27页/共51页2bListen again 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.more carspollute第28页/共51页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 (丑陋丑陋) ones. are throwing awaypublic places第29页/共51页Role-play 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 第30页/共51页What should we do to save the earth?第31页/共51页Turn off the lights when you leave a room.关掉关掉第32页/共51页stop riding in cars第33页/共51页stop using paper towels or napkins（餐巾，餐巾纸）（餐巾，餐巾纸）第34页/共51页recycle books and paper回收利用回收利用第35页/共51页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 forks at home.throw rubbish in the bins.第36页/共51页Jason and Susan, what are your ideas for solving these problems?第37页/共51页第38页/共51页1.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。 第39页/共51页2. Its good for health and it doesnt cost anything! cost 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的过去式和过去分词均为的过去式和过去分词均为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？第40页/共51页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.第41页/共51页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，常用于，常用于sb. spend(s) some time / money on sth.和和sb. spend(s) some time / money (in) doing sth.两种句型。两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.第42页/共51页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。句型。 e.g. The new dress cost Linda 88 yuan.第43页/共51页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 takes第44页/共51页4. You should _ some time practising your pronunciation.5. My brother _ 6, 000 yuan for the new computer yesterday.spendpaid第45页/共51页3. So together, our actions can make a difference and lead to a better future! make a difference (to) 示示(对对)产生影响或作用产生影响或作用 e.g. Do you think his words would make any difference to the final decision? 你认为他的话会对最后的决定产生影响吗？你认为他的话会对最后的决定产生影响吗？ The new teacher always encourages little Tom. This has made a big difference to him.新来的老师总是鼓励小汤姆，这对他影响很大。新来的老师总是鼓励小汤姆，这对他影响很大。第46页/共51页用动词的适当形式填空。用动词的适当形式填空。1. Were trying _ (save) the earth.2. There used to _ (be) clean and beautiful.3. There are too many _ for _ to catch (fish).4. Its bad for environment to use _ (wood) chopsticks.to savebefishwoodenfishermen第47页/共51页第48页/共51页The earth is badly polluted. Please make a poster and think of what we can do.第49页/共51页第50页/共51页