定语从句的特点：1.具有形容词性质2.从句前一定要有先行词修饰主语、宾语、表语的句子就叫做定语从句。引导定从句的关联词有：考点：一：关系词的选择二：As引导定语从句三：that和which四：关系代词前介词的确定五：关系副词where的正确运用关系词的选择：!定语从句的位置考点：that和which1)介词＋关系代词关系代词前介词的确定：whom指人,在从句中作宾语,可省略。which指物,在句中作主语或宾语,作宾语时可以省略。appleIhavereadthenewspaper.that指人或物，在从句中做主语或宾语,作宾语时可以省略。ItwaswrittenbyLaoshe.*先行词前有下列词语修饰时,定语从句必须用that引导。eg.Hetalkedaboutthethingsandpersonshehadvisitedinthecity.*先行词在从句中作表语时,限制性定语从句通常用that引导。(常可省略)*whose指人或物，在从句中作定语。Thatisthenewmachine.Thepartsofitaretoosmalltosee.巩固练习4.Thesungivesusheatandlight,_______________wecan’tlive.关系代词前介词的确定关系代词前的介词的确定关系副词where的正确运用：注意先行词是抽象名词时(point,case,situation,system,stage,culture..)：Aco-housingcomplexisaplacewhereresidentsshop,cook,andeattogether.Iremembersittingatthefamilydinnertablewhereeveryonehadgatheredexceptmysister.Thus,misunderstandingsarisebetweenpeoplefromcultureswheretimeistreateddifferently.Doyoustillrememberthechickenfarm_________wevisitedthreemonthsago?Hismoviewonseveralawardsatthefilmfestival,______wasbeyondhiswildestdream.Women_______drinkmorethantwocupsofcoffeeadayhaveagreaterchanceofhavingheartdiseasethanthose________don't.(2006北京)A.who;不填B.不填;whoC.who;whoD.不填;不填4.Lookout!Don'tgettooclosetothehouse_______roofisunderrepair.(2006福建)5.Wearelivinginanage______manythingsaredoneoncomputer.(03北京)6.Ifashophaschairs________womencanparktheirmen,womenwillspendmoretimeintheshop.(05上海)I’llneverforgetthedays_____Istudiedinthisuniversity.I’llneverforgetthedays_____wespenttogether.1.Thisisall____Iknowaboutthematter.A.thatB.whatC.whoD.whether2.Isthereanythingelse_____youwant?A.whichB.thatC.whoD.what3.Thelastplace_____wevisitedwastheGreatWall.A.whichB.thatC.whereD.itThisisthehouse___________helivedlastyear.Thisisthehouse___________hevisitedlastyear.4.Pleasetakethesecondchair_______isoverthere.A.whereB.whichC.whoD.that7.Alloftheflowersnowraisedherehavedevelopedfromthose____intheforest.A.oncethegrewB.theygrewonceC.thatoncegrewD.oncegrew.8.Idon’tlike____youspeaktoher.A.thewayB.thewayinth