定冠词的用法及练习

定冠词的用法：1.表示特指，既可特指上文提到过的人或事物，也可特指谈话双方都清楚的人或事物如：Where’stheteacher?ThereImetaforeignerandtheforeignerhelpedmealot.Themanageryouwanttoseewasherejustnow.2.表示世上独一无二的事物这里说的世上独一无二的事物主要指thesun,themoon,theearth,thesky,theuniverse,theworld,theatomosphere(大气层)等东西。如：Thesunrisesintheeastandsetsinthewest.若这类名词前有形容词修饰，表示具有某种特征，则也可能将定冠词改为不定冠词，如afullmoon(满月)，afriendlyworld(友好的世界)等。3.序数词和形容词最高级前通常要用定冠词，副词最高级前可用定冠词，也可不用。如：Itwasthebestresultthey’veeverhad.HewonthefirstgameandIwonthesecond,sowe’reeven.4.用于乐器名词前如：Shelikesplayingthepiano.Thegirlpracticestheviolineveryday.5.与某些形容词连用，表示一类人或一类事物。如：therich富人thepoor穷人theold老人theyoung年轻人6.用于姓氏的复数之前，表示全家人或全家中两个或两个以上的人。如：NoneofushereliketheSmiths.TheGreensweretoopoortosendtheirsontoschool.7.用于某些专有名词前如用于河流、海洋、山川、海岛、海峡、沙漠等专有名词前，以及用于由普通名词构成(或含有普通名词)的专有名词如国名、地名、团体、机构、党派、报纸、杂志、事件、建筑物等前。如：theYellowRiver黄河theRedSea红海theIndianOcean印度洋theUnitedStates美国theTimes泰晤士报theGreatWall长城拓展：不用冠词的情况1.专有名词、抽象名词、物质名词和不可数名词前。如：China,success,water2.名词前已有作定语用的this,that,my,your,some,any等代词。Comethisway,please.MayIaskyousomequestions?3.复数名词表示一类人或事物时。Dogsarefriendlytopeople.4.在星期、月份、季节、节日前。ItisSundaytoday.今天星期日。TodayisMother’sDay.今天是母亲节。5.在称呼或表示头衔的名词前。AfterlunchAuntHuangcamein.6.在三餐和球类运动的名称前。Hehurriedtoschoolwithoutbreakfastthismorning.7.当by与火车等交通工具连用，表示一种方式时，中间无冠词；bybus，bytrain8.在某些固定词组中。如：athome,bytrain,gotoschool,gotowork,gotobed,atbreakfast,ontime,intime,atnoon,indanger,introuble,infact,intown语法专练1.---Howabout______Christmaseveningparty?---Ishouldsayitwas______success.A.a;aB.the;aC.a;/D.the;/2.Haveyouheard______news?Thepriceof_____petrolisgoingupagain!A.the;theB./;theC.the;/D./;/3.Ilookedunder_____bedandfound______bookIlostlastweek.A.the;aB.the;theC./;theD.the;/4.---Haveyouseen____pen?Ileftitherethismorning.---Isit____blackone?IthinkIsawit.A.a;theB.the;theC.the;aD.a;a5.Mr.Smith,there’samanat____frontdoorwhosayshehas_____newsforyouofgreatimportance.A.the;/B.the;theC./;/D./;the6．---Hasthelittleboypassed_____P.E.test?---Hehastriedtwiceandtheteacherwillallowhimtohave_____thirdtry.A.the;/B.a;theC.the;aD.the;the7.Everyoneshouldlearnfrom______LeiFengandtrytobe_______LeiFeng.A./;aB./;/C.the;theD./;the8.Threeyearslater,Tomwaselected______monitorofourclass.A.aB.theC./D.an9.Aliceisfondofplaying______pianowhileMaryisinterestedinlisteningto____music.A./;theB.the;/C.the;theD./;/10.AlexanderGrahamBellinvented______telephonein1876A./B.theC.oneD.a11.---Doyoumeanyouknow______boy?---No.Iknow_______boywholookslikehimA.a;aB.the;theC.the;aD.a;the12.Let’sgoto_____cinema—that’lltakeyourmindofftheproblemfor______while.A.the;theB.the;aC.a;theD.a;a13.Thisareaexperienced_____heaviestrainfallin______monthofMay.A./;theB.a;theC.the;theD.the;a14.Wecanneverexpect______bluerskyunlesswecreate_____lesspollutedworld.A.a;aB.a;theC.the;aD.the;the15.Ileftmy____umbrellaintherestaurant.A./B.theC.anD.a16._____Greensareat______tablenow.A./,anB./,/C.The,/D.The,the17.Simonworksat_____.A.farawaytravelserviceB.FarawayTravelserviceC.FarawayTravelServiceD.Farawaytravelservice18.---_____appleadaykeepsthedoctoraway!---Whatdoyoumean?Ihaveneverheardof_____sayingbefore.A.An;aB.An;theC.A;theD.A;a