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”.被動語態(tài)表示主語是謂語動作的承受者，被動語態(tài)由“be+過去分詞”構(gòu)成。be隨著主語人稱和數(shù)以及時態(tài)的不同而變化。含有情態(tài)動詞的被動語態(tài)由“can/must/may/should…+be+過去分詞”構(gòu)成。被動語態(tài)ThefirstsectionofNewCollegeEnglishisdesignedforspeakingpracticeand

isbasedonpicturesandtopics.

Thesecomputers

weremade

inourowncountrylastyear.Shallwe

beasked

toattendtheopeningceremony?

①一般現(xiàn)在時的被動語態(tài)：am/is/are+過去分詞

②一般過去時的被動語態(tài)：was/were+過去分詞

③一般將來時的被動語態(tài)：will/shall+be+過去分詞

時態(tài)主動語態(tài)被動語態(tài)一般現(xiàn)在時do/doesam/is/are+done一般過去時didwas/were+done一般將來時will/begoingto+dowill/begoingto+be+done一般現(xiàn)在時、一般過去時和一般將來時的主動結(jié)構(gòu)和被動結(jié)構(gòu)(以動詞do為例)：Practice1.Itissaidthatthelongbridge_________intwomonths.2.Whichlanguage____themostwidely_______intheworld?3.Thelostboy_______________(notfind)sofar.4.Lastyearalargenumberoftrees__________(cut)down.5.Thestudents____often____(tell)totakecareoftheirdesksandchairs.用所給動詞的適當(dāng)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_________(數(shù)十億)dollarsinfuelseachyear.7.________(總共),98%ofallcomputerusersarenowonline.8.Theseacoversalmost