2、具有“一个…”的意思。如：Iateabanana.Itisacoldday.3:泛指，说明名词的种类，是一个整体的符号。如：Ahorserunsfasterthanasheep.Abananaisyellow.注：使用单数可数名词一定要加：1、a/an/the或2、this/that或3、his等物主代词。如：Idroveacar.Idrovethecar.Idrovethatcar.Idrovehiscar.定冠词the的用法：1、特指，具有“这”或“那”的意思。如：Thelunchwaswellcooked.当说话人与听者都知道所说的具体东西时。如：Thankyouforthebanana.2、表示动物的种类。Thewhaleisthelargestmammalonearth.3、独一无二的事物：如：thesun,themoon,theearth,theuniverse5、用于单数的发明物前。如：Whoinventedthewheel?…thetelephone,therefrigerator,theairplane6、用于序数词前。Inthetwentiethcentury7、用于表示计算单位的名词前。如：Hewaspaidbythehour.零冠词的用法。1、用于复数可数名词前，表示类别。如：Horsesareusefulanimals.Therearepencils,pensandbooksonthedesk.2、用于球类运动、棋类游戏前。如：playfootball,playchess,playbridge3、用于物质名词或抽象名词前。如：Canmanlivewithoutair?Ourcountryisveryrichinoil.Doesshelikemusic?Georgeisamanofgreatstrength.5、turn作系动词时，后面的名词前不用冠词。如：Hewasamedicalstudentbeforeheturnedwriter.6、地理名词前。如：NorthAmerica,HunanProvince7、专有名词＋普通名词前如：BeijingAirport,BuckinghamPalace,NanjingRoad,ZhongshanPark8、杂志、期刊前。ChinaPictorial,ChinaDaily,EnglishLanguageTeaching1.Ihave___idea.Let’sgoon___picniconSaturday.2.Didyouhavefunat___picnicyesterday?3.__beefisakindof___meat.4.___beefwehadfordinnerlastnightwasexcellent.5.Jackiswearing__strawhattoday.7.Beyond___stars,theastronautssawnothingbut__space.A.the;\B.\;theC.\;\D.the;the8.Afterwatching__TV,sheplayed___violinforanhour.A.\;\B.the;theC.the;\D.\;the9.AlexanderGrahamBellinvented___telephonein1876.A.\B.aC.theD.one10.__Where’sJack?__Ithinkhe’sstillin__bed,buthemightjustbein___bathroom.A.\;\B.the;theC.the;\D.\;the11.Manypeoplearestillin__habitofwritingsillythingsin___publicplaces.A.the;theB.\;\C.the;\D.\;the12.Sheis__newcomerto__chemistrybutshehasalreadymadesomeimportantdiscoveries.A.the;theB.the;\C.a;\D.a;the13.Wouldn’tit___wonderfulworldifallnationslivedin__peacewithoneanother?A.a;\B.the;\C.a;theD.the;the14.Manypeopleagreethat__knowledgeofEnglishisamustin___internationaltradetoday.A.a;\B.the;anC.the;theD.\;