Unit 7 Know Our World Lesson 38 The World Is a Big Place 课件2

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1、Unit7KnowOurWorldLesson38:TheWorldIsaBigPlaceAfricaAsiaNorthAmericaEuropeOceaniaAntarcticaSevenContinents(洲)SouthAmericathePacificOceanthePacificOceantheAtlanticOceantheIndianOceantheArcticOceanFourmainOceans(海洋)大西洋太平洋太平洋印度洋北冰洋ReadingReadthelessonandmatchthesevenc

2、ontinentswiththeircorrectdescriptions.Itisthebiggestcontinent.IthasthehighestpointontheearthintheHimalayas.Itisthesecondlargestcontinent.Manyelephants,giraffes,zebrasandlionslivethere.Asia.Africa.Itisthethirdlargestcontinent.Canada,MexicoandtheU.S.arethethreemajor

3、countriesonthiscontinent.Itisthefourthlargestcontinent.Thereare13countriesonthiscontinent.NorthAmerica.SouthAmerica.Itisthefifthlargestcontinent.TheSouthPoleisonthiscontinent.Itisthesixthlargestcontinent.Itisagoodplaceforpeopletotravelto.Antarctica.Europe.Itisthes

4、mallestcontinent.Youcanfindkoalasandkangaroosthere.Australia.Grammar1)Thesedryplacesarecalleddeserts.2)Antarcticaiscoveredwithsnowandiceallyearround.3)Itmustbetreatedwellforourchildrenandforourchildren’schildren,too!4)WehavebeenaskedtowriteareportonAsia.5)It’spron

5、ouncedliketheletter“A”.被动语态表示主语是谓语动作的承受者，被动语态由“be+过去分词”构成。be随着主语人称和数以及时态的不同而变化。含有情态动词的被动语态由“can/must/may/should…+be+过去分词”构成。被动语态ThefirstsectionofNewCollegeEnglishisdesignedforspeakingpracticeandisbasedonpicturesandtopics.Thesecomputersweremadeinourowncountrylastye

6、ar.Shallwebeaskedtoattendtheopeningceremony?①一般现在时的被动语态：am/is/are+过去分词②一般过去时的被动语态：was/were+过去分词③一般将来时的被动语态：will/shall+be+过去分词时态主动语态被动语态一般现在时do/doesam/is/are+done一般过去时didwas/were+done一般将来时will/begoingto+dowill/begoingto+be+done一般现在时、一般过去时和一般将来时的主动结构和被动结构(以动词do为例)：P

7、ractice1.Itissaidthatthelongbridge_________intwomonths.2.Whichlanguage____themostwidely_______intheworld?3.Thelostboy_______________(notfind)sofar.4.Lastyearalargenumberoftrees__________(cut)down.5.Thestudents____often____(tell)totakecareoftheirdesksandchairs.用所给动

8、词的适当形式填空willbebuiltisspokenhasn’tbeenfoundwerecutaretold1.Wehavealovelyroom.It’soneof___inthehotel.A.niceB.nicerC.nicestD.thenicest____ofthestudentsaref