人教版高中英语必修第一册UNIT4 Section Ⅲ Discovering Useful Structures课件.ppt

SectionⅢDiscoveringUsefulStructures重点单词1.volcanon.火山?2.supplyn.供应(量);补给;[pl.]补给品vt.供应;供给?3.typhoonn.台风?4.hurricanen.(尤指西大西洋的)飓风?词汇拓展1.eruptvi.vt.(火山)爆发;(岩浆、烟等)喷出→eruptionn.爆发2.survivevi.生存;存活vt.幸存;艰难度过→survivaln.幸存;生存→survivorn.幸存者;生还者?重点短语1.usedtodo过去常常做?2.wakeup醒来;叫醒?3.intheopenair露天;在户外?定语从句(1)——关系代词探究发现1.Ateacherisapersonwho/thatpassesknowledgetostudents.2.Thewomanthat/whom/whoyoumetinthestreetisKate.3.Thisisthetownwhich/thatIvisitedlastyear.4.Theboywhosefatherworksabroadismydeskmate.5.Thisistheroominwhichhelivedbefore.6.TheteacherwithwhomIworkknowsFrench.7.Theplanelandedsafely,whichmadeusveryhappy.that指人或物,常作主语或宾语;which指物,作主语或宾语;who指人,作主语或宾语;whom指人,在句中作宾语;whose为所属关系词,作定语;关系代词which/whom在定语从句中作介词的宾语时,从句常由“介词+which/whom”引导,即把介词提到了关系代词之前;which引导非限制性定语从句,作主语或宾语,也可代替前面的整个句子。?【教材原文】It’slookingforthepeoplewhosurvivedtheearthquake.(page52)它正在寻找地震后的幸存者。考点survivevi.生存;存活vt.幸存;艰难度过语境领悟(1)Doctorssayitisamiraclethathehassurvived.医生说他能活下来是一个奇迹。(2)Thosecreaturesthataremostsuitedtotheenvironmentwillsurvive.那些最适应环境的生物将会存活下来。(3)Shewastheonlypersontosurvivetheaccident.她是这次事故中的唯一幸存者。(4)Manybirdsdidntsurvivethecoldwinter.许多鸟没能活过那个寒冬。(5)Theoldladysurvivedherhusbandbyfiveyears.这位老妇人在她的丈夫去世后又活了五年。学以致用单句语法填空(1)Ofthesixpeopleinjuredinthecarcrash,onlytwosurvived(survive).?(2)MrSmithsurvivedhissisterbyelevenyears.?(3)Thetravellerstrappedonthelonelyislandsurvivedonthefishcaughtinthesea.?(4)Thesoldiersbuiltsheltersforthesurvivors(survive)aroundtheclock.?(5)Expertssaidthechancesofthesurvival(survive)wereverysmallatthattime.?定语从句(1)——关系代词定语从句基本概述1.定义:在复合句中修饰主句中的某一名词或代词的从句,叫作定语从句。它所修饰的名词或代词叫作先行词。引导定语从句的词叫关系词。3.关系代词的用法(1)who指人,在定语从句中可以作主语或宾语。(2)whom指人,在定语从句中作宾语,可以省略,也可以用who或that代替。(3)which指物,在定语从句中可以作主