Unit 7 Know Our World Lesson 38 The World Is a Big Place 示范公开课教学课件【八年级英语下册（冀教版）】

Unit7KnowOurWorldLesson38:TheWorldIsaBigPlaceAfricaAsiaNorthAmericaEuropeOceaniaAntarcticaSevenContinents(洲)SouthAmericathePacificOceanthePacificOceantheAtlanticOceantheIndianOceantheArcticOceanFourmainOceans(海洋)大西洋太平洋太平洋印度洋北冰洋ReadingReadthelessonandmatchthesevencontinentswiththeircorrectdescriptions.Itisthebiggestcontinent.IthasthehighestpointontheearthintheHimalayas.Itisthesecondlargestcontinent.Manyelephants,giraffes,zebrasandlionslivethere.Asia.Africa.Itisthethirdlargestcontinent.Canada,MexicoandtheU.S.arethethreemajorcountriesonthiscontinent.Itisthefourthlargestcontinent.Thereare13countriesonthiscontinent.NorthAmerica.SouthAmerica.Itisthefifthlargestcontinent.TheSouthPoleisonthiscontinent.Itisthesixthlargestcontinent.Itisagoodplaceforpeopletotravelto.Antarctica.Europe.Itisthesmallestcontinent.Youcanfindkoalasandkangaroosthere.Australia.Grammar1)Thesedryplacesarecalleddeserts.2)Antarcticaiscoveredwithsnowandiceallyearround.3)Itmustbetreatedwellforourchildrenandforourchildren’schildren,too!4)Wehave

beenaskedtowriteareportonAsia.5)It’spronouncedliketheletter“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ThefirstsectionofNewCollegeEnglishisdesignedforspeakingpracticeand

isbasedonpicturesandtopics.

Thesecomputers

weremade

inourowncountrylastyear.Shallwe

beasked

toattendtheopeningceremony?

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)：Practice1.Itissaidthatthelongbridge_________intwomonths.2.Whichlanguage____themostwidely_______intheworld?3.Thelostboy_______________(notfind)sofar.4.Lastyearalargenumberoftrees__________(cut)down.5.Thestudents____often____(tell)totakecareoftheirdesksandchairs.用所给动词的适当形式填空willbebuiltisspokenhasn’tbeenfoundwerecutaretold1.Wehavealovelyroom.It’soneof___inthehotel.A.niceB.nicerC.nicestD.thenicest____ofthestudentsarefromthecountryside.A.ThirdquarterB.ThreequartersC.ThreequarterD.ThirdquartersMultiplechoice3.—Whohas___marksinEnglish，

WangLin,ZhangFangorLiHong?

---LiHong．

A.goodB.betterC.bestD.thebest4.HongKong______tobeagoodplaceforeatingtoday.A.knows B.knew C.isknown D.wasknown5.Nick_______ajobinabank,buttooursurprise,hedidn’ttakeit.A.offeredB.hasofferedC.wasoffered6.—HaveyouheardofEarthDay?—Yes.ThefirstEarthDay_______in1970toeducateustoprotectourplanet.A.celebratesB.celebratedC.iscelebratedD.wascelebrated7.Moremoney________whenweusebothsidesofpaper.A.willsaveB.wassavedC.hassavedD.willbesaved8.Anewclub________inourschoolatthebeginningofthisyearandnowithasmanymembers.A.startsB.isstartedC.hasstartedD.wasstarted9.—Ourclassroom________everyday.—Soitis.It’sourdutytokeepitcleanandtidy.A.cleansB.iscleaningC.iscleaned10.—Sixteen-year-olds________todriveinChina.—ButinAmerica,theycan.A.isallowedB.isnotallowedC.areallowedD.arenotallowedThenumberoftouristshasi________greatlyinrecentyears.Thes______ofthelakeisquitestill.Thefilmwillbeover____9:30.Theyclaimedtohavediscoveredanewp_____._____________(四分之一)thestudentshavelefttheirpictureshome.ncreasedurfacebyAquarteroflanetFillintheblanks6.Theplanwouldsave_________(数十亿)dollarsinfuelseachyear.7.________(总共),98%ofallcomputerusersarenowonline.8.Theseacoversalmost