北师大版（2019） 必修第二册 Unit 6 The Admirable Lesson 1 A medical pioneer课件.pptxVIP

Unit6TheAdmirableGrammarRelativeclauses

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ReadingBasicinformationScientificworkAttitudesDateofbirth:_________________Birthplace:_________________Education:_________________Tasksanddifficulties:_________________Research:__________Discovery:_________________Towardsthehonor:_________________Towardsfutureresearch:_________________Dec30,1930ZhejiangProvinceStudiedmedicineatPKUFindacureformalariaLimitedresources,notenoughstaff,poorworkingconditionsArtemisinin1.Testedmorethan240,000chemicals2.Researchedhundredsoftraditionalrecipes3.TestedonherselfNotinterestedinfameFeelsit’sarecognitionandmotivationforallscientistsinChina

Grammar—Relativeclauses(III)定语从句“介词?+?which/whom”的用法一、先行词（短语）在定语从句中作时间、地点或原因状语时，“介词＋which”分别相当于where，when，why。如：Theearthonwhich/whereweliveisaplanet.I’llneverforgetthedayonwhich/whenIjoinedtheLeague.Isthereanyreasonforwhich/whyyoushouldhaveaholiday?二、当先行词在定语从句中充当介词宾语时，可使用“介词＋which/whom”的结构引导从句。指物时，只能用which；指人时，只能用whom。如：SheistheverygirlwithwhomIwenttotheconferencelastweek.Hemadeatelescopethroughwhichhecouldobservethestars.三、“of＋which”起形容词的作用，相当于whose（用来指物），其词序通常是“n.＋ofwhich”。Theyliveinahousewhosedooropenstothesouth.=Theyliveinahouse,thedoorofwhichopenstothesouth.He’swrittenabookwhosenameI’vecompletelyforgotten．=He’swrittenabook,thenameofwhichI’vecompletelyforgotten．

?way后常用that代替inwhich，也可省略that。如：Ireallydon’tlikethewaythathetalks.DoitthewayIshowedyou.?介词的选择1.同形的先行词，或定语从句中的动词，形容词表示不同的含义时，要根据其含义选用不同的介词。如：Ican’tremembertheageatwhichhewontheprize．age意为“年岁”，与at搭配Thatistheageinwhichpeopleliveinpeaceandhappiness．age意为“时期”，与in搭配。2.复杂介词须保持其完整形式，常见的复杂介词有onth