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1、Unit7TheSea(3)Lesson1TheSpiritofExplorersGrammar：定语从句寄语：Agoodmedicinetastesbitter.良药苦口。Learningaims:1.关系副词where/when/why引导的定语从句2.介词+which/whom引导的定语从句Learningdifficultpoint:关系词在定语从句中所做成分的判断LearningSteps:Step1合并下列句子为含定语从句的复合句（B级）1.Themanisapoliceman.Heisshakinghandswithmyfather.2.T
2、heprofessorhasgonetoShanghai.Youwishtoseetheprofessor.3.Chinaisacountry.Chinahasalonghistory.4.Iliveinaroom.Itswindowsfacethesouth.Step2知识回忆（B级）你能回忆起所学定语从句的知识么？1.概念：2.定语从句由引导，修饰前面的词，并在句中做语。我们上学期学习了关系代词_______________________________________引导的定语从句。3.划出以下句子的定语从句，关系词，先行词，并且在句中所做的成分
3、。Theytalkedaboutthemenandthethingsthattheysaw.Step3定语从句（1）（B级）这一课时我们将学习关系副词when,where,why引导的定语从句：1.when在定语从句中表时间，作状语，其先行词往往是表示时间的名词，如：time,day,season,age,occasion等。Ican’tforgetthenightwhenIcametothefarm.翻译：1.where在定语从句中表示地点，作状语，其先行词通常是表示地点的名词。如place,situation,city,town,factory,ca
4、se,等。Thefactorywherehisfatherworksisinthewestofthecity.翻译：WewenttovisittheplacewhereLincolnonceworked.翻译：1.why在定语从句中表示原因，作状语，先行词一般是reason。ThatisthereasonwhyIdidso.翻译：Idon’tknowthereasonwhyhedidn’tcometoschoolyesterday.翻译：【练习】请完成英语课本第九页第十题。Step4定语从句（2）（B级）1.介词+关系代词（which,whom）引导的定
5、语从句介词+which在定语从句中充当时间，地点，原因状语，相当于when,where,why.其介词可根据先行词和定语从句中的谓语动词来判断。A.when相当于at/in/on/during等+which.ThedateonwhichhejoinedthePartywasJuly1，1984.翻译：B.where相当于at/in/on/等+which。Thehouseinwhichhelivedisalibrarynow.翻译：C.why相当于for+which.Isthatthereasonforwhichhewasabsentfromclass?翻
6、译：2.介词+which/whom,关系代词作介词的宾语，这是我们学习定语从句的重点，也是高考的常考点。which指物，whom指人。在这种结构中，介词的选择非常关键,可根据定语从句所修饰的名词或代词来选择介词。也可根据从句的相关动词来选用。ThisistheprofessorfromwhomIhavelearntalot.翻译：HaveyouseethepenwithwhichIwritemyhomework.翻译：Inthedarkstreet,therewasn’tasinglepersontowhomshecouldturnforhelp.翻译：
7、【注意】在日常英语中通常把介词放在从句的句末，省略关系词which/whom。Thisistheprofessor(whom/that)Ihavelearnedalotfrom.Thisisthecamera(which/that)heoftentakesphotoswith.【小试身手】I单项选择（C级）1.Thatisthewriter____alotofbookswerewritten. A.bywhom B.who C.whose D.whom2.Thisistheplace____hestayedlastyear. A.which B.
8、inwhere C.inwhich D.inthat3.Theexhibiti
