(2.5.4)李焕英语必修2第5单元第4课时。文档

Book2Unit2Period4:Grammar（第四课时）【情境创设】Thisisthelaptoponwhichshespent1000dollars.Thebaby,withwhomIwenttotheconcert,enjoyitverymuch.【语法探究】[导学探究]I.WarmingupUnderlinetheattributiveclausesinthetextthatcontainprep.+whom/which.1.Haveyoueverdreamedofplayinginfrontofthousandsofpeopleataconcert,atwhicheveryoneisclappingandappreciatingyourmusic?2.Theymaystartasagroupofhigh-schoolstudents,forwhompractisingtheirmusicinsomeone’shouseisthefirststeptofame.3.Latertheymaygiveperformancesinpubsorclubs,forwhichtheyarepaidincash.[规律归纳]要点1：紧跟介词的关系词，引导定语从句时,指事物用which,指人用whom。要点2：介词﹢关系代词引导的定语从句中,介词如何选择•1）、看定语从句中动词或者形容词与介词的习惯搭配；---Whatwerethethingsaboutwhichhewasnotsosure?•2）、根据先行词判断，所用的介词与先行词的习惯搭配；---Thespeedatwhichyoudriveyourcarmustn’tbetoohigh.•3）、可以通过句子的整体含义,结合生活实际来判断。---Chinahasmanyrivers,of/amongwhichtheYangtzeRiveristhelongest.定语从句的练习Fillineachblankwithaproperprep.+whom/which.1.Thisisthegun__________thehuntershottheantelope.2.Theathletes__________hewillcompetecomefromGreeceandCzechRepublic.3.He’llneverforgettheday__________hewasadmittedtotheOlympicGamesforthefirsttime.4.Agreatnumberofculturalrelicshavebeenfoundinavillage__________therearelotsofoldtemples.5.Theguitar__________Davecomposedourfirsthitisinamusicmuseum.6.Themusicians__________wehavegreatinteresttouredEuropewithus.Key:1.withwhich2.againstwhom3.onwhich4.inwhich5.withwhich6.inwhom[用法示例]1.Inthedarkstreettherewasn'tasingleperson_____shecouldturnforhelp.A.thatB.whoC.fromwhomD.towhom2.IntheofficeIneverseemtohavetimeuntilafter5:30p.m.，_______manypeoplehavegothome.A.whosetimeB.thatC.onwhichD.bywhich3.Hepaidtheboy＄10forwashingthewindows，mostof_____hadn'tbeencleanedforatleastayear.(MET1990)A.thoseB.theseC.thatD.which4.Thegentleman_____youtoldmeyesterdayprovedtobeathief.（上海2000春招）A.whoB.aboutwhomC.whomD.withwhom1：D.介词to和定语从句中的turn构成固定搭配turntosb.forhelp。意为“向某人求助”。2：答案为D。根据句意“到下午5：30时，许多人已经到家了”，且定语从句中又用了完成时，故应用介词by。3：答案为D；句中关系代词指代“窗子”，故用which4：答案为B句中关系代词指代人，故用whom，它又和后面的told构成固定搭配tellsb.aboutsb./sth.。【课堂小结】1.本节课学习了以下内容：（1）我们学习了介词﹢关系代词引导的定语从句.（2）完成workbookP71Exercise1,22.请预习课时详解第5课时回答下列问题1.)DidFreddyandhisbandgetagreatsuccessinBritain?【延伸阅读】Australianinventorhasdesignedandbuiltanenvironmentallyfriendlyferry（渡船）thatusessolarandwindpowertotransportpeoplearoundSydneyHarbor.RobertDaneandhisSolarSailorweregiventhetopprizeattheAustralianDesignAwardsrecently.TheSolarSailorhasbeeninuseforsixmonths.Itusesfoursourcesofenergyforitspower—solar,wind,batterypowerwithstoredsolarenergyandafuelgenerator（发电机）instoreallcontrolledbycomputers.Theferrycantravelupto7.5knotsonjustwindandsolarpower.It'ssolarwingsandfiberglasssolarpanels（太阳电池板）whichnotonlytakeinsunlightandstoreitinbatteries,butalsoactassails.Weangle（调整角度）oursolarpanelstothesunintwoplanes（面）,whichincreasestheamountofenergywegetfromthesunby40percent,Danesays.Andalsowecanusethatsamestructuretodoanotherjob,whichisalsothesail,andsothesewingsailsactuallypushtheferryforwardjustlikeasoftsaildoes.Computerscheckthesunandwindandanglethesolarwingstotakeinthemostsunlight.Ifthereisn'tmuchwindoritisacloudyday,energystoredinthebatteriesrunstheelectricmotorforuptofivehours.Ifthebatteriesaretoolow,thenthecomputerturnsthegeneratoronsotheboatisalwaysabletomeetacommercialschedule,orgetfrompointAtopointBnomatterwhat,Danexplains.DanegothisideafortheSolarSailorfromabookoninsects.Hewasamazedhowinsectsusetheirwingstocollectsolarenergytowarmthemselves.WhenIreadthat,Irealizedtherewasagoodexampleinnatureforwhatweweregoingtodo,whichwastouseasolarwingtocollectsolarenergyandalsotosail,hesays.Whatisthepurposeofwritingthisarticle?_________________________________________Key:Totellustolearnfromnature.[课时作业]教材作业workbookP71Exercise1Thereisagrammaticalerrorineachofthefollowingsentences.Pleasereadthemcarefullyandcorrectthemistake.1.SimonhelpedPeterrepairhisguitar,forthathewasverygrateful.2.Ilikesongstowhichthefeelingsofloveisexpressed.3.IenjoyedmyholidayonwhichIwenttoaconcertofpopmusic.4.IlikemymusicteacherforwhichIhavegreatrespect.5.Ihavemanyfriendsofwhichsomearemusicians.6.Peterwenttoaconcertatwhomhisfavouritebandplayedandsang.Key:1.SimonhelpedPeterrepairhisguitar,forwhichhewasverygrateful.2.Ilikesongsinwhichthefeelingsofloveisexpressed.3.IenjoyedmyholidayduringwhichIwenttoaconcertofpopmusic.4.IlikemymusicteacherforwhomIhavegreatrespect.5.Ihavemanyfriendsofwhomsomearemusicians.6.Peterwenttoaconcertatwhichhisfavouritebandplayedandsang.Exercise2Readthesesentencesandtrytosimplifythemchangingthemwherenecessary.Eample:Idon’tunderstandthewayinwhichyousolvedthisproblem.→Idon’tunderstandhowyousolvedthisproblem.1.Thisisthemonthduringwhichweliketogotooutdoorconcerts.Thisisthemonthwhenweliketogotooutdoorconcerts.2.Shegaveamusicalconcertinthehallinwhichweinterviewedafamousviolinistlastweek.Shegaveamusicalconcertinthehallwhereweinterviewedafamousviolinistlastweek.3.Lillianlivesinatowninwhichtherearemanyculturalevents.Lillianlivesinatownwheretherearemanyculturalevents.4.Aconcerthallisaplacetowhichyougotobuyticketsforashow.Aconcerthallisaplacewhereyougotobuyticketsforashow.5.Findingajoba