PWP教学【教学课件】Module 4（外研社）.ppt

本课时编写 乐山一中方毅老师 Period1Introduction Pre learning Thereisstrong drywindandtheskyisyellow Sandstorm Wecanseethevisibledrops It sdangerousforustogoout Peoplehavetowearhoods masksandglasses Carsslowdownandhavetoturnonheadlight Sometimesitdelaystheflights Itspreadsillness Whathappens Module4SandstormsinAsia While learning majorsandstormcentersinChina GansuandWesternInnerMongolia BeijingandNortheastInnerMongolia Discussion What sthecauseofsandstorm Whatshouldyoudoinasandstormtoprotectyourself Thecauseofsandstorm cuttingdowntoomanytrees desertification 沙漠化 hightemperatureandlittlerain seriousairandwaterpollution thegrowingpopulationoftheworld improperofland rapidspreadofurbanization Introduction 1 Completethesentencesusingthecorrectformofthewords blowburyfrighteninglast v sandstorm Thewind thesandhigharoundthehouse andsomecarswerealmostcompletely bythesand blowing bury sandstorm hasbeenblowing haslasted frightening Therehasbeena It fortenhoursandwasvery Post learning Introduction 2 Checkyouranswers Sandstormsbeginindesertareas Desertsarecreatedbyclimatechanges Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica Sandstormscan tbeprevented Theinlandregionhasmoresandstormsthantheonenearthesea Introduction 3 Workinpairs Discussthequestions Whatshouldyoudoinasandstormtoprotectyourself Whichdoyouthinkismoredangerous anearthquakeorasandstorm Saywhy WhereinChinadosandstormsbegin Ifyouareinadesert whatisthefirstsignofasandstorm Haveyoueverbeeninasandstorm Ifyes describeittoyourpartner Homework RecitethenewwordsPreviewthereadingpart readthetext Period2ReadingandVocabulary Pre reading SandstormsinAsia Para1TheinfluenceofsandstormsinBeijing Para2Thehistoryofsandstorms Para3Thesuggestionsfromweatherexpertsandlocalpeople Para4Thecausesofsandstorms Para5Themeasuresthatthegovernmenthastaken Para6Thedescriptionofsandstorms Readthepassagequicklyandmatchtheparagraphswithmainideas While reading Readthepassagecarefullyanddecideifthefollowingsentencesaretrue T orfalse F 1 Thewindsinasandstormcansometimespreventpeoplefromseeingthesun 2 ThefourmaincentersofsandstormsareSouthAmerica CentralAsia CentralAfricaandAustralia 3 Theskywillbeblackwhenthereissandstorm 4 Thedriverscannotdrivecarsasusualinasandstorm 5 SandstormscannotbeforecastedbyChineseCentralWeatherStationbeforeitarrives 6 Weshouldwearamaskifwewanttogooutinasandstorm 7 ThedesertisfarawayfromBeijing T T F F orange F T F North can near NorthAmerica CentralAfrica Australia CentralAsia 4centersofsandstorms Listentothetape Thenfillinblanksofthesummary Thefirstletterisgiventoyou Sandstormisamajord formanyAsiacountries Sandstormsbeginind area InChinasandstormsappearasaresultof d Thisisap thathappensbecausepeoplec treesandd grass Beijingcitizenssaiditisf tobecyclinginasandstorm Luckily sandstormscanbef beforetheyarrive Nowthegovernmentisplantingtreestop sandstorms isaster esert esertification rocess utdown igup rightening orecasted revent Haveyoueverexperiencedarealsandstorm Let sseeasandstormthathappenedinChinatogether Whenyouwatchthevideo payattentiontothefollowingthings WhereWhenWhat InnerMongolia 5th July 19 50 Themostserioussandstormofalltime Post reading Interview Workinpairs StudentA Youareareporter Youareinterviewingalocalpeople Beforeyoudotheinterview writedownthequestionsyouwanttoask StudentB Youwereinthesandstorm Tellthereporterhowyoufeelandyouropinionsofpreventingsandstorms Describehowthingslookedinthesandstorm Youmayrefertothetextandfindsomeusefulexpressionsinit Weonlyhaveoneearth Let sprotectit HomeworkSupposeyouarethereporter WriteareporttotellothersthissandstormthathappenedinInnerMongoliaandaskthemtoprotecttheenvironment Requirements 100 120words Describethesandstorm Givesuggestionsofpreventingenvironment Writeatitlebyyourselves Period3ListeningandVocabulary Pre listening Comparethem What shappening Why What shappening Why What shappening Why What shappening Why Lookatthepictures andseewhatwordsyouwillthinkof pollution environment atmosphere Matchthewordswiththedefinitions atmospherecarbondioxidechemicaldamage v n meltenvironmentgarbagepollutionrecyclethePoles 1 theairaroundtheearth2 tohaveabadeffectonsomeoneorsomething3 asubstanceusedinchemistry atmosphere damage chemical 4 thenaturalworld theland air water plantsandanimals5 tochangefromsolidtoliquid e g icebecomeswater6 totreatsomethingsothatwecanuseagain7 oneofthegasesintheair environment melt recycle carbondioxide 8 themostnorthernandsouthernpointsonearth9 rubbish10 damagetotheenvironmentbecauseofchemicals thePoles garbage pollution Listentoanenvironmentalexpert sspeech Putthetopicsbelowintheorderyouhearthem A garbageB treesC pollutionfromcarsD meltingiceatthePolesE theclimate 5 1 2 3 4 While listening Nowlistenagainandanswerthequestions 1 Whatisthemosturgentproblemofall 2 WhatexamplesofcoastalcitiesdoesDavidgive Theclimate NewYorkandShanghai 3 Whyistheclimategettingwarmer 4 Whatisdescribedasamajorproblem Becausepollutionisstoppingthesun sheatleavingtheatmosphere Carbondioxidefromcars 5 Whathappenswhenwecutdownalotoftrees 6 Howdoestheinterviewerfeelaboutthesituation Thereislessoxygenandmorecarbondioxideintheatmosphere Optimistic 1 Asaresult theiceat isbeginningtomelt 2 Theseamayriseandcitiesonthecoastmay 3 Toomuchcarbondioxidepollutesthe Listenagain Completethesesentences thePoles disappear atmosphere 4 Treestakein andgiveout 5 We garbageandpollutetheatmosphere 6 Instead weshould thegarbage carbondioxide oxygen burn recycle 1 concernedadj 关心的beconcernedabout over for关心 挂念as so faras isconcerned就 来说 就 而言where isconcerned在牵扯到 的时候 情况下 Wordstudy Post listening beconcernedwith in和 有关show expressconcernabout对 表示关心 担心haveaconcernin和 有利害关系asconcernsthatmatter关于那件事 educationisaboutlearningandthemoreyoulearn themoreequippedforlifeyouare A AsfarasIconcernedB AsfarasIamconcernedC SofarasIamconcerningD SofarasIwasconcerned 2 agreewithagreewithsb whatsb said one swords opinion idea decision view agreeto plan proposal program arrangement 注意 agreewith还作 与 一致 气候 食物 相适应 不能说 agreesb todo Weagreed herebutsofarshehasn tturnedupyet havingmetmeetingC tomeetD tohavemet ThesewordsandexpressionsaretakenfromListeningandvocabulary Choosetherightanswers 1 inanutshellmeans a inmyopinion b toexplainsomethingverysimply EverydayEnglish 2 It sscarymeans a It sfrightening b It sinteresting3 I lldomybestmeans a Thisisthebest explanation b I lltryashardasIcan 4 fromwhatIunderstandmeans a ThisiswhatIunderstand b IthinkIunderstand5 You reabsolutelyrightmeans a You recompletelyright b You realmostright Period4Grammar Pre learning Lookattheexamplesa f Theunderlinedphrasesareexamplesofdifferenttypesofinfinitives Thewindisstrongenough Itcanmovesanddunes Thewindisstrongenoughtomovesanddunes b Wewereadvised Don tgooutside Wewereadvisednottogooutside I mcyclingtoworkinasandstormandit sfrightening It sfrighteningtobecyclingtoworkinasandstorm d Thereisnothinganyonecando Thereisnothingtobedone Iamtheonlypersoninmyfamilywhohasbeeninaandstorm Iamtheonlypersoninmyfamilytohavebeeninasandstorm I vebeencaughtinasandstorm Itwasaterribleexperience Tohavebeencaughtinasandstormwasaterribleexperience 不定式的句法功能1 作主语 往往放在谓语动词之后 用it作形式主语 为了避免句子头重脚轻 e g Toseeistobelieve Itisrighttogiveupsmoking 不定式的用法 While learning 2 作宾语 作宾语时如果还带有宾语补足语 往往把不定式放在补足语之后 而用it作形式宾语 e g Hewantedtogo IfinditinterestingtostudyEnglish 3 做宾语补足语e g Heaskedmetodotheworkwithhim 在feel hear listento lookat notice observe see watch have let make等词后的补足语中 不定式不带to 不定式作宾语补足语省略to的情况有下列口诀 一感二听三让五看半帮助 但是这些句子如果变成被动结构时 就必须带上to e g Ioftenhearhimsingthesong Heisoftenheardtosingthesong 4 作定语Ihavesomebooksforyoutoread 当作定语的不定式如果是不及物动词 或者不定式所修饰的名词或代词是不定式动作的地点 工具等时 不定式后面必须有相应的介词 e g Heislookingforaroomtolivein 当作定语的不定式所修饰的名词或代词是不定式动作的承受者时 不定式即可以用主动语态 也可以用被动语态 但含义有所不同 试比较 Haveyouanythingtosend 你有什么东西要 自己 寄吗 Haveyouanythingtobesent 你有什么东西要 我或别人 寄吗 5 作状语 表示目的 原因 结果或条件 e g Icameheretoseeyou Wewereveryexcitedtofindnobodythere Hehurriedtotheschooltofindnobodythere Tolookathim youwouldlikehim 目的 原因 结果 条件 6 作表语e g Myjobistohelpthepatient 注意 主 表都是不定式 前者为条件 后者为目的或结果 Tolearnalanguageistouseit 1 不定式的一般形式所表示的动作通常与谓语的动作 状态 同时 或几乎同时 发生 或是在它之后发生 e g Isawhimgoout 不定式的时态和语态 2 如果谓语表示的动作发生时 不定式表示的动作正在进行 这时要用进行时 e g Iamverygladtobeworkingwithyou 3 如果不定式的动作发生在谓语动词之前 就要用完成时 e g I msorrytohavekeptyouwaitingsolong 4 当不定式逻辑上的主语是这个不定式所表示的动作的承受者时 不定式一般要用被动形式 e g Heaskedtobesenttoworkinthecountryside 1 Tom whentheyspokeillofhim A happenedtobepassedB happenedtobepassingbyC happenedpassingbyD happenedtopassed Haveatry Post learning 2 Alltheroomsinthehouserequire A beingcleanedB tocleanC cleaningD cleaned 3 Thenewsreportershurriedtotheairport only thefilmstarshadleft A totellB tobetoldC tellingD told I mtravellingduringasandstorm It sdangerous 2 Expertshopethattheywilllearnmoreaboutthemovementofthunderstorms Rewritethesentencesusinginfinitivestructures Itisdangeroustobetravelingduringasandstorm Expertshopetolearnmoreaboutthemovementofthunderstorms 3 Weweretold Don tleavethehouse 4 Themenneedtocompletetheworkonthehousebytheendoftheweek Weweretoldnottoleavethehouse Theworkonthehouseneedstobecompleted thework bytheendoftheweek 5 Itseemsthatmosthouseshavebeendestroyedbythestorm Mosthousesseemtohavebeendestroyedbythestorm Puttheverbsinbracketsintothecorrectinfinitiveforms Itisfrightening walk intheroadinasandstorm IhopeIreachhomesoon 2 Expertshope learn moreaboutthemovementofsandstorms towalk tolearn 3 I dlike tell aboutthesituationbeforenow 4 Theworkneeds complete bytheendoftheweek 5 Myfatherwasoutofthecitywhenthesandstormcame Hewasveryglad miss it tobetold tobecompleted tohavemissed 6 Thebuildinghas finish bytheendoftheyear 7 see arealsandstormwasveryfrightening tobefinished Tosee 1 不定式在介词but except besides otherthan后面时 如果这些介词之前有行为动词do 非助动词 的各种形式时 那么这些介词后面的不定式不带to 否定带to but 不定式的用法 e g Shecoulddonothingbutcry Whatdoyouliketodobesidesswim Ihavenochoicebuttowait Therewasnothingformetodootherthanwaituntilthemeetingwasover IhadnothingtodobutwatchTV 2 当句子的谓语动词是can t can thelp can tchoose等结构时 but except besides后的不定式to也省略 e g Wecan tbutadmirehisbravery Wecan tchoosebutwait SheissuchalovelygirlthatIcan thelpbutloveher 注意 but作 除了 以外 解时 若前面部分有do did done时 but之后接dosth 反之 后接todosth Hecandonothingbutwait Hewantednothingbuttoplayinthepark 1 Sandycoulddonothingbut tohisteacherthathewaswrong A admitB admittedC admittingD toadmit Let strysomeexercises 2 Howdidyouspendyourweekend Jone Ididn tfindanythinginterestingforme somewashinginsteadofmymother A butdidB butdoC butdoingD buttodo 3 Thestudentsdidnothingexcept alldaylong A playedB playingC playD toplay 1 Ican thelpbut think tothink thatitwasamistake 2 Ican t chose choose butdoit Underlinethecorrectanswer 3 Hedoesnothingbut complaining complain 4 Ican thelpbut tolove love her 5 Theworkersdo nothing not butdrinkteaandtalktoeachother 从A B C D四个选项中 选出可以填入空白处的最佳选项 1 ThecrowdcheeredwildlyatthesightofLiuXiang whowasreported theworldrecordinthe110 meterhurdlerace 辽宁2007 A breakingB havingbrokenC tohavebrokenD tobreak C 高考链接 2 Whenaskedwhyhewentthere hesaidhewassentthere foraspaceflight 江西2007 A trainingB beingtrainedC tohavetrainedD tobetrained3 theprojectasplanned we llhavetoworktwomorehoursaday 湖南2008 A CompletingB CompleteC CompletedD Tocomplete D D 4 Thedirectorhadherassistant somehotdogsforthemeeting 2008全国卷II A pickedupB picksupC pickupD pickingup C 综合练习 用括号内所给动词或短语的适当形式填空 1 I msorryIcan tattendyourwedding forIhaveanimportantmeeting attend 2 Theworkersweremade work overfourteenhoursaday 3 Yoursuitisabitsmallonyou Youseem puton weight toattend towork toputon 4 Tomdidnothingexcept wait beforehisparentscamehome 5 What sthematterwithTom Oh hiscellphonewasleftinataxiaccidentally never find again 6 Shereachedthetopofthehillandstopped rest onabigrockbythesideofthepath towait torest tofind 7 Didhemanage carry thebooksupstairs No hewasn tstrongenougheven move them 8 become ateacherinauniversity youneedtohaveamaster sdegree tocarry tomove Tobecome Period5CulturalCorner Writing Pre learning theworldusedtobebeautiful Butnowthebeautifulworldbecomespolluted Theclimateisgettingworseandmanyanimalsareextinct Whatistheboydoing 1 HowdocountriesinEuropetrytoimprovetheenvironment Readthepassageandanswerthesequestions While learning 2 ArethereorganizationsinChinawhoseaimistoprotecttheenvironment 3 Whatdoyouknowabouttheseorganizations Readthetextagainandfillintheblanks Somecountriesarebetterthanothersat theenvironment InEurope GermanyandthenorthernEuropeancountriesworkveryhardtoimprovetheenvironment lookingafter Peopleincountriessuchas puttheir intodifferentbags paperinonebag inanotherbag etc Thegarbageisthentakenawayand recycled Germany garbage plastic ifpossible CFCs chemicalswhicharefoundin andaerosolcans arenotallowed Therearelawsthatdonotallowpeopletoburntoomuchcoal Inthe1970s aspeople more environmentalproblems refrigerators learnt about the Green triestogetgovernmentstothink abouttheenvironmentandhowtolookafterit Itcollectsinformationabouthow is theenvironmentandgivesthisinformationtonewspapers movement seriously industry damaging Whatenvironmentalproblemsarethereinyourhometown Canyoumakesomesuggestionstothegovernmentorthepublic Post learning Discussion 1 allowvt 允许allow n pron 允许 allow doingsth 允许干某事allowsb todosth 允许某人干某事allowsb prep adv 允许 LanguagePoints 1 Thelawdoesn tallowsuchanaction 法律不容许这种行为 2 Thepolicedon tallowparkinginthestreet 警察不允许在街上停车 3 Theservantwouldn tallowhimin intothehouse 仆人不让他进入房子 2 protectionprotect from against使 免受 undertheprotectionof 在 的保护下 Weputonourmackintoshestoprotectus therain fromtoB againsttoC fromD against 我们穿上胶布雨衣 免得淋雨 3 Thegarbageisthentakenawayand ifpossible recycled 这些垃圾然后被运走 如果可以回收利用就再进行回收利用 ifpossible是ifitispossible的省略形式 在if when while once where 等引导的从句中如果含有系动词be的某种形式 而且主从句的主语一致或从句的主语是it时 从句的主语和系动词be可以省略 1 Becarefulwhile when