Unit+2+Topic+3+Section+A 仁爱版九年级英语上册.pptx

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1、Unit 2 Saving the EarthTopic 3 Section A 学习目标学习目标预习检测预习检测知识梳理知识梳理课堂总结课堂总结学习导航重点探究重点探究当堂当堂检测检测学习目标学习目标能掌握能掌握连词连词and，or，but与与while 12能能从从“减量减量”“”“再使用再使用”和和“再循环再循环”的角度谈论保护环境的角度谈论保护环境1.Dontrunintheclassroom,_youmayhurtyourself.A.andB.orC.butD.so2.Myjobis_youEnglish.A.toteachB.teachingC.teachD.teaches预习检

2、测预习检测BA3.Weshoulduse_sidesofpaper.A.neitherB.bothC.allD.either4.Canyoutellus_?A.whatyoudoyesterdayB.whatyouaredoingC.whatareyoudoingD.whatyouaredoingyesterday5.Theystudyhard_theycangotogooduniversities.A.suchthatB.inordertoC.inorderD.sothatBBD知识梳理知识梳理Key points 1.We all know that youre working for a

3、n organization that protects the environment.我们都知道你在为一个环保组织工作。thatyoureworkingforanorganization中that引导的是宾语从句。作动词know的宾语。thatprotectstheenvironment中that引导定语从句。修饰前面的organization。workfor为工作,为坚持不懈地努力Eg.Weshouldworkforpeace.Key points2.My main job is to help spread the message about protecting the enviro

4、nment.我的主要工作是帮助宣传有关环保方面的信息。Myjob(task/aim/hope/dream/)istodosth.此句型为不定式作表语，常表示主语的工作、任务、目标、愿望、梦想等未来的行为。Eg：HermainjobistoteachthemEnglish.help为动词，意为帮助,可跟不带to的不定式或带to的不定式句式：helpsb.(to)dosth.帮助某人做某事Eg.Couldyouhelpme(to)openthedoor?Key points3.So we encourage students to collect waste paper and soft drin

5、k cans.所以我们鼓励学生们收集废纸和软饮料瓶。encourage作动词，意为“鼓励”。encouragesb.todosth.意为“鼓励某人做某事”。eg:OurteacheroftenencouragesustospeakEnglishasmuchaspossible.Key points4.Then we sort them so that they can be recycled.sort作动词时意为“整理、归类、分拣”;作名词时相当于kind,意为“种类”。sortout分类,整理allsortsof种种,各种各样的asortof一种eg:Wemustsortoutthegood

6、applesfromthebadones.我们必须把好的苹果与坏的分开。sothat意为“为了，以便”引导目的或结果状语从句，sothat相当于inorderthat/inorderto探究一The three Rs reduce,reuse and recycle Do you know different kinds of pollution?What can we do at home to protect the environment?Weshouldreducethewasteweproduce.Forexample,weshouldusebothsidesofpaperandre

7、useplasticbags.1a Listen,look and say.(A journalist is interviewing Jane about environmental protection.)Journalist:Hi,Jane.CouldIaskyouafewquestions?Jane:Certainly.Journalist:Weallknowthatyoureworkingforanorganizationthatprotectstheenvironment.Canyoutelluswhatyouaredoingthere?Jane:Well,mymainjobist

8、ohelpspreadthemessageaboutprotectingtheenvironment.Forexample,thethreeRsreduce,reuseandrecycleareimportant.Journalist:Sowhatcanwedoathometoprotecttheenvironment?Jane:Weshouldreducethewasteweproduce.Forexample,weshouldusebothsidesofpaperandreuseplasticbags.Journalist:Whatcanstudentsdoatschool?Jane:Re

9、cyclingcanprotecttheenvironment,anditcansavemoney,too.Soweencouragestudentstocollectwastepaperandsoftdrinkcans.Thenwesortthemsothattheycanberecycled.Journalist:Wonderfulideas!Thankyou!Jane:Itsapleasure.1b Listen to 1a and complete the table.An interview with Jane whereJaneworksinan_to_whatJaneisdoin

10、ghelping_aboutprotectingtheenvironmentwhatwecandoathome_weproducewhatstudentscandoatschoolcollect_andsoftdrinkcansorganizationprotecttheenvironmentspreadthemessagereducethewastewastepaper1c Read 1a and complete the sentences.1.ThethreeRs_,_and_areimportant.2.Athome,wecan,forexample,useboth_ofpaperan

11、dreuse_bags.3.Atschool,studentsareencouragedto_wastepaperand_becauserecyclingcanprotectthe_and_money.4.Thenwe_them_theycanberecycled.reducereuserecyclesidesplasticcollectsoftdrinkcansenvironmentsavesortsothat3a Read the table and write the correct letter under each picture.Then sort the garbage base

12、d on your own knowledge._b.papercupse.glassbottlesc.cansa.plasticbagsd.newspapers3b Listen to the conversation and check your answers in 3a.Type of garbageRecycled Reused Reduced a.plasticbagsb.papercupsc.cansd.newspaperse.glassbottlesGroup workSupposeyouwillhaveaClean-upDay.Workingroupsandfindoutth

13、egarbage.Thensortthembasedon3aandtalkaboutthem.A:Ithinklunchboxesshouldbereused.B:Whataboutwastepaper?A:IthinkWow!Wevegotsomuchgarbage!Softdrinkcans,lunchboxes,plasticbottles,batteries,wastepaper,paperbagsandcups,通过以上活动，我们可以知道：保护环境人人有责。通过文中对话可学习到，掌握3R原则对保护环境很重要。即每个人都应从“_”、“_”和“_”的角度来保护环境。当堂当堂检测见检测见D

14、CFDCF课课件件活动小结活动小结减量再使用再循环探究二连词or,and,but和while(1)Younodyourheadanditmeansagreement.(2)Hurryup,oryoullmissthetrain.(3)Waterisimportantbutsomepeopledontsaveit.(4)Somepeopleprotectanimalswhileotherskillanimals.Discuss the words underlined Use“or”to make some sentences.1.Hurryup,oryouwillmissthebus.2.Wo

15、rkhard,oryouwillfailtheexam.3.Doyoulikeplayingbasketballorfootball?Ilikeplayingfootball.Use “and”to make some sentences.1.Ilikeapplesandbananas.2.Sheandhearegoodfriends.3.Weshouldusebothsidesofpaperandreduceplasticbags.4.Wecancollectwasterpaperandsoftdrinkcans.Work hard,and you will do it well.（好的（好

16、的结果）果）（祈使句）（祈使句）+andDont pour waste water into the river or the water in it will become dirty.（结果不好）（结果不好）（祈使句）（祈使句）+or并列连词：并列连词：and/or 二二、or 意为意为“或者；或者；是，还是；否则是，还是；否则”；祈使句祈使句+or（常表示不愉快或不理想的结果）（常表示不愉快或不理想的结果）一一、and 意为意为“并且，和并且，和”;祈使句祈使句+and（常是比较好的结果）（常是比较好的结果）while(而，然而而，然而)作并列连词，强调前后对比作并列连词，强调前后对比.

17、并列连词：并列连词：whileNodding the headShaking the headNoddingtheheadmeansShakingtheheadmeansNodding the head means agreement while Shaking the head means disagreementagreement.disagreement.PickuplitterThrowaroundlitterTheyarepickinguplitterthemanisthrowingaroundlitter.whilebut 表示转折关系.3.Hehasfailedseveralti

18、mes henevergivesup.(放弃)并列并列连词：but1.Ilikesinging,Idontoftensing.2.Hehadacold,hekeptonworking.butbut并并 列列 句句连词连词 or,and,but 和和 while的用法的用法表示并列关系，动作的先后关系，用表转折关系，用表选择，用and（和，并且）but（但是）,while（然而）but所表达的转折程度较大，常是相反的。while表示轻微的转折，其实质是指两种情况或事物的对比。or（或者；否则）Practice2 Combine the sentences with or,and,but or w

19、hile,making some changes if necessary.1.Noiseisakindofpollution.Itsharmfultoourhearing.Noiseisakindofpollutionanditsharmfultoourhearing.2.Workhard.Youwillfailtheexam.Workhard,oryouwillfailtheexam.3.Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.Noddingtheheadmeansagreementwhile/butshak

20、ingtheheadmeansdisagreement.4.Hurryup.Youwillmissthebus.Hurryup,oryouwillmissthebus.5.Hehasfailedseveraltimes.Henevergivesup.Hehasfailedseveraltimes,buthenevergivesup.通过以上活动，我们可以知道：连词or,and,but和while在连接的并列句中用法各有不同。1.表示并列关系时用_；2.表示转折关系时用_；3.表示对比时用_，意为“然而”；4.表示选择时用_，意为“或者,否则”。当堂当堂检测见检测见DCFDCF课课件件活动小结活

21、动小结andbutwhileor当堂检测当堂检测 根据根据汉语提示完成句子。提示完成句子。1.Ajournalististalkingabout_(环境保护)withJane.2.Mymainjobistospreadthemessagesabout_(保护环境).3.Weshoulduse_(纸的两边).4.Weencouragestudentsto_(将废瓶子分类).5._(摇头)meansdisagreement.environmentalprotectionprotectingtheenvironmentbothsidesofthepapersortthewastebottlesShakingtheheadSummaryUnit 2Topic 3 Section A掌握连词and,or,but与while从“减量”、“再使用”和“再循环”的角度谈论保护环境