九年级英语-Unit-13-Section-A(4a-4c).pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit,13,We are trying to save the earth,!,Section A Grammar Focus-4c,第1页,Revision,不一样种类污染,2.,河底,3.,把垃圾扔到河里,4.,在,中起作用,different kinds of pollution,the bottle of the river,throw rubbish into the river,play a part in,I.Check if you know these phrases.,第2页,5.,在中国南部,6.,对,有害,7.,在,顶部,8.,海洋生态系统,in southern China,be harmful to,at the top of,the oceans ecosystem,第3页,II.Translate the sentences.,1,.,甚至是河底都满是垃圾。,2.,这个方法不但残酷还对环境有害。,Even the bottom of the river was full of rubbish.,This method is not only cruel,but also harmful to the environment.,第4页,3.,鲨鱼处于海洋食物链顶部。,4.,许多人相信鱼翅对健康有好处。,Sharks are at the top of the food chain in the oceans ecosystem.,A lot of people believe that sharks fins are good for health.,第5页,take part in,afford,turn off,reusable,pay for,take action,transportation,参加,v.,买起；负担起（后果）,关掉,adj.,可重复使用,付费；付出代价,采取行动,n.,运输业；交通运输,Words Review,第6页,辨析：,join,join in,和,take part in,to,join,加入组织，团体，党派等，有作为其中一个组员含义;,后面也能够加表示人名词，表示和某人一起参加某活动,join in,加入一个详细活动。,take p,art in,指参加会议或群众性活动等，着重说明句子主语参加该项活动并在活动中发挥作用。,第7页,Will you join us in the discussion?,你参加我们讨论吗？,She joined the Young Pioneers.,她加入了少先队。,Why didnt you join in the talk last night?,昨晚你为何没参加座谈？,D,id you take part in the sports meet?,你参加运动会了吗？,第8页,afford,是动词，,意为“,买得起,担负得起,”,，,通常与can,could,be able to,连用,多,用于否定句中。,They couldnt afford$50 for a ticket.,他们拿不出,50,美元买一张票。,afford,后面常跟带,to,动词不定式。,We cant afford to go abroad this summer.,今年夏天我们没有足够钱出国。,例句：Miss Taylor never wastes money on anything too expensive,even though she can _to.She has donated much of the money she saved to charities.,A.affordB.allow C.remind D.pay,afford,第9页,Pay attention to the sentences.,1.We,re,trying,to save the earth.,2.The river,used to,be so clean.,3.The air,is,badly,polluted,.,4.No scientific studies,have shown,that shark fins are good for health.,5.We,should,help save the sharks.,Present progressive,used to,Passive voice,Present perfect,Grammar Focus,Modal verbs,第10页,现在进行时,:,Present Progressive,结构,:,be(am/is/are)+,v,.-ing,标志词：,Look,Listen,now,right now,e.g.Look!The boy,is crying,.,定义：表示说话时,(,瞬间,),正在进行动作,也表示当前或现阶段正在进行动作。,第11页,used to do sth.,表示过去经常做某事,而现,在往往不做了,后接动词原,形。,be used to doing sth.,表示习惯于做某事,e.g.I,used to,get up,at six oclock.,Joe,is used to drinking,a cup of coffee every morning.,used to do,与,be used to doing,第12页,Translation.,1.,她过去经常周末和朋友闲逛。,She used to hang out with friends on weekends.,2.,他习惯于天天晚上睡得很晚。,He is used to staying up.,Exercise,第13页,被动语态：,Passive voice,定义：,表示主语是动作承受者，即行,为动作对象一个语态。,结构：,be+,过去分词,e.g.,A new school was built last year.,Our classroom,is cleaned,every day.,第14页,Translate the sentences by using Passive voice.,1.,刚才一些老年人参观了博物馆。,2.,工人们使用不一样种类机器工作。,The museum was visited by some old people just now.,Different kinds of machines are used to work by the workers.,Exercise,第15页,结构,:,has/have+,过去分词,标志词：,already,yet,ever,never,since,for,e.g.I,havent finished,my homework yet.,定义：表示动作已经完成,但对现在造成影,响,;,或者表示从过去某一时间开始一,直延续到现在并还可能连续下去,动作。,现在完成时,:Present Perfect,第16页,Complete the following sentences.,I _(be)in Beijing,for two years.,2.I _ never _(hear)of that,man,before.,3.Tom _(work)there,since,two years ago.,have been,have,heard,has worked,Exercise,第17页,4.The twins _(wash)the clothes,for an hour,.,5.He _(play)basketball,since,three years ago.,6.,How long,_ Sally _(sing)yet?,have washed,has played,has,sung,第18页,1.,情态动词本身有一定词义,表示说话人情绪、态度或语气,但不能单独作谓语,只能与其它动词组成谓语。,常见有,:can(could),may(might),must,need,shall(should),will(would),等。,情态动词,第19页,2.,情态动词无人称和数改变,后接动词原形。否定式是在情态动词后面加,not,。个别情态动词有过去式形式,可用来表示愈加客气、委婉语气。,e.g.Ken,can,climb up the tress like a koala.,Tracy,could,ride a bicycle when she was five years old.,You,mustnt,play with fire.It is,dangerous.,第20页,Translation.,1.,我们不能在教室里吃东西。,2.,首先你必须完成作业。,3.,他现在不可能在家。,4.,她一定知道这个问题答案。,Exercise,We cant eat in the classroom.,You must finish your homework first.,He cant be at home now.,She must know the answer to this question.,第21页,4a,Fill in the blanks with the correct forms of the verbs in brackets.,Joe:_ you,ever,_(take)part in,an environmental project?,Eric:Yes,I have.I _(help)with a,Clean-Up Day,last year,.It,was,_(consider)the biggest,clean-up project this city _,ever,_(have).,Have,taken,helped,considered,had,had,参加,第22页,Joe:How many people _(take)part?,Eric:I _(think)more than 1,000,people _(come)to help out.,Joe:Thats fantastic!I guess everyone in,this city,is,_(try)to improve,the environment.,Eric:Yes,we cant,afford,to _(wait),any longer,to,take action,!,took,think,came,trying,wait,v.,负担得起,(,后果,),;,买得起,第23页,4b,Fill in the blanks with the appropriate,modal verbs from the box.,People _ think that big things,_ be done to save the earth.Many,forget that saving the earth,begins with,small things.For example,you _ save,may/might,must,can,can would could,have to should must,may/might,第24页,electricity,by,turning off the lights when,you leave a room.You _ also use,reusable bags,instead of plastic bags.I think,its,a great idea that you now _ pay for plastic bags in some stores.And instead of driving to school or work,you _ ride your bike or walk.If its far,you _ take the bus.All these,could,have to,can/should,can/could,关掉,adj.,可重复使用,付费,;,付出代价,第25页,small things _ add up and become big things that _ improve the environment.Lets take action now!,could,would/can,采取行动,第26页,Make a list o,f things that people can do to help the environment and discuss your list with your partner.,4,c,A:I think that everyone should use public,transportation.,B:I disagree.,It,s difficult for parents with,young children to use public,transportation.,use public transportation,.,第27页,Discussing.,use public transportation,take your own shopping bags when go shopping,reduce the use of air conditioners in summer,turn off the lights when you leave the room,grow more plants.,第28页,A:I think that everyone should take your own,shopping bags when go shopping.,B:I agree.,Its good for the environment.,第29页,A:I think that everyone should,reduce the use of air conditioners in summer.,B:I disagree.,The summer is so hot,especially in south China.Without air conditioners,people may not have the patience to work.,第30页,A:I think that everyone should,turn off the,lights when you leave the room.,B:I agree.,Its good to save energy resources.,第31页,A:I think that everyone should use public,transportation.,B:I disagree.,Its difficult for parents with,young children to use public transportation.,第32页,A:I think that everyone should,grow more,plants.,B:I agree.,Growing more plants will provide,us more fresh air and make our plan,et,more beautiful.,第33页,练习题,第34页,情态动词练习,1.-_ you pass me a pen?Id like to write down the phone number.,-Sure.Here it is.,A.Can B.Need C.Might D.Must,2.-May I go to the cinema,Mum?,-Certainl,y,but you _ be back by 11 oclock.,A.can B.may C.must D.need,3.,You _ worry about me.Its nothing serious.,A.cant B.mustnt C.neednt D.wont,第35页,4.-Excuse me.Is this the right way to the,Summer Palace?,-Sorry,Im not sure.,But it _ be.,A.m,ight B.mustnt,C.cant D.must,5.The man in the office _ be Mr.Black,because he went home just now.,A.musnt B.may not,C.cant D.neednt,第36页,use to,练习,A 她过去经常周末和朋友闲逛。,She _ with friends on week,ends.,B 他习惯于每晚睡得很晚。,He _ at night.,C.Ken used to be afraid of dogs.(改为普通疑问句),_?,used to hang out,is used to sleeping late/staying up,Did Ken use to be afraid o,f dogs,第37页,1.He promised to pick me up at the school gate.However,he _ yet.,A.didnt arrive,B.doesnt arrive,C.isnt arriving D.hasnt arrived,2.Ba Jin,one of the greatest writers in China,_ as“Peoples Writer”.,A.is regarded,B.has regarded,C.is regarding,D.regards,Choose the best answer.,第38页,3.Where is Tom?,He _ in his room.,A.is readingB.reads,C.readD.was reading,4.May I go out now,Dad?,No.You _ let your mother know first.,A.can B.may C.need D.must,第39页,5.Her son _ coke,but now he _ milk.,A.used to drink;is used to drinking,B.used to drinking;drinks,C.is used to drinking;used to drink,D.is used to drink;is drinking,第40页,1.(,江苏淮安,)Its getting dark.Please,_ the light.,A.turn on B.turn off,C.turn down D.turn around,2.(,湖北随州,)How does Jack usually go to work?,He _ drive a car,but now he _ there to lose weight.,A.used to;is used to walk,B.was used to;is used to walking,C.was used to;is used to walk,D.used to;is used to walking,感悟中考,第41页,3.(,山东枣庄,)In the last ten months,September Miracle(,奇迹,)_on CCTV for more than five times and is popular all over the country.,A.has played the piano,B.has given out their song disks,C.has written songs,D.has performed,4.(,广东,)Not only my friends but also I_ interested in football and Messi is our favorite star.,A.be B.am C.is D.are,第42页,5.(,湖北宜昌,)At present,one of the best ways to study is working in groups.,More chances _ to students to learn from each other.,A.offer B.are offered,C.have offered,D.are offering,感悟中考,第43页,Homework,Write an article to show in what way,we students can protect the environment.,第44页,Thank You!,第45页,