高二 英语 必修二第一单元《Lesson 3 Discover Useful Structures-Using Structures》课件

高二—人教版—英语—选择性必修二第一单元

Unit1

SCIENCEANDSCIENTISTS

Lesson3:DiscoverUsefulStructures&UsingStructuresLearningObjectives（学习目标）Bytheendofthelesson,youwillbeableto：1.understandthebasicformofpredicativeclauses(表语从句).

2.mastertheusagesofdifferentsubordinatingconjunctions(从属连词)thatleadpredicativeclauses.3.understandthemeaningsandfunctionsofpredicativeclauses.4.usepredicativeclausescorrectlyandproperlyincontext(语境中).

RevisionQ1.InPara.2,whatwerethetwocontradictorytheoriesdoctorshadinthosedays?Q2.InPara.3,whydidthewomenandherdaughterdieofcholeraaftermovingawayfromBroadStreet?Q3.Whatwas“thetruth”mentionedinPara.4?Q1.

InPara.2,whatwerethecontradictorytheoriesdoctorshadinthosedays?Q2.

InPara.3,whydidthewomenandherdaughterdieofcholeraaftermovingawayfromBroadStreet?Q3.

Whatwas“thetruth”mentionedinPara.4?Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodandwater.

Itseemed

thatthewomenlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.ThetruthwasthatwaterfromtheBroadStreetpumphadbeeninfectedbywaste.RevisionExplore:Observeandfind1.Onetheory

was

thatbadaircausedthedisease.2.Another

was

thatcholerawascausedbyaninfectionfromgermsinfood

andwater.3.It

seemed

thatthewomenlikedthewaterfromthepumpsomuchthatshe

haditdeliveredtoherhouseeveryday.4.Thetruth

was

thatwaterfromtheBroadStreetpumphadbeeninfected

bywaste.SubjectSubjectSubjectSubjectLinkingverbLinkingverbLinkingverbLinkingverbDependentclause(从句)Dependentclause(从句)Dependentclause(从句)Dependentclause(从句)ThebasicformofPredicativeClause:Subject+Linkingverbs+[subordinatingconjunction+otherelements]PCthat,whether,how,where,what,asif...be,seem,appear,look,sound...1.Understandingscienceandpushingtheboundariesofscienceiswhatmakesmeimmenselysatisfied.—BillGates2.Thenextmajorexplosionisgoingtobewhengeneticsandcomputerscometogether.—AlvinToffler3.Thedoctorhasbeentaughttobeinterestednotinhealthbutindisease.Whatthepublicistaughtisthathealthisthecurefordisease.—AshleyMontagu4.ResearchiswhatI’mdoingwhenIdon’tknowwhatI’mdoing.

—WernhervonBraunPractice:Findoutpredicativeclausesineachsentence.1.Understandingscienceandpushingtheboundariesofscienceis

whatmakesmeimmenselysatisfied.—BillGates2.Thenextmajorexplosionisgoingtobe

whengeneticsandcomputerscometogether.—AlvinToffler3.Thedoctorhasbeentaughttobeinterestednotinhealthbutindisease.Whatthepublicistaughtis

thathealthisthecurefordisease.

—AshleyMontagu4.Researchis

whatI’mdoingwhenIdon’tknowwhatI’mdoing.

—WernhervonBraunPractice:Findoutpredicativeclausesineachsentence.Whatsubordinatingconjunctions(从属连词)canleadapredicativeclause?1.Understandingscienceandpushingtheboundariesofscienceis

whatmakesmeimmenselysatisfied.—BillGates2.Thenextmajorexplosionisgoingtobe

whengeneticsandcomputerscometogether.—AlvinToffler3.Thedoctorhasbeentaughttobeinterestednotinhealthbutindisease.Whatthepublicistaughtis

thathealthisthecurefordisease.

—AshleyMontagu4.Researchis

whatI’mdoingwhenIdon’tknowwhatI’mdoing.

—WernhervonBraunPractice:Findoutpredicativeclausesineachsentence.Howaretheseconjunctionsusedinapredicativeclause?Tip1:Usagesofdifferentsubordinatingconjunctionsthatcanleadapredicativeclause引导词用法连词that在从句中不充当成分，无意义whether在从句中不充当成分，意为“是否”连接代词what(ever),which(ever),who(ever),whom(ever),whose在从句中充当主语，宾语，定语连接副词how,when,where,why在从句中充当状语其它连词because,asif,asthough在从句中不充当成分，意为“因为，好像，似乎”1.Onetheory

was

______badaircausedthedisease.2.Whatpeoplereallydoubt

is__________thedoctorwilldefeattheseriousillness.3.It

seemed_______theworldwerecomingtoanend.4.Thisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappiness.That

is________wehavenotyetlearntomakesensibleuseofit.

that（在从句中不充当成分）whether（在从句中不充当成分,意为“是否”,表语从句中不能使用“if”）

asif（在从句中不充当成分,意为“好像”）表语从句中SVO成分完整连词：在从句中不充当成分表语从句中SVO成分完整表语从句中SVO成分完整

because（在从句中不充当成分,意为“因为”）表语从句中SP成分完整Tip1:Usagesofdifferentsubordinatingconjunctionsthatcanleadapredicativeclause引导词用法连词that在从句中不充当成分，无意义whether在从句中不充当成分，意为“是否”连接代词what(ever),which(ever),who(ever),whom(ever),whose在从句中充当主语，宾语，定语连接副词how,when,where,why在从句中充当状语其它连词because,asif,asthough在从句中不充当成分，意为“因为，好像，似乎”5.Understandingscienceandpushingtheboundariesofscience

is

______

makesmeimmenselysatisfied.

6.Thatis_______manyexpertsareworryingabout.

7.TherearedozensofbooksaboutZoologyinlibrary.However,whatreallymakeshimconfused

is_______isthemostsuitableoneforhisresearchpaper.what（在从句中充当主语，意为“...的事情”）which（在从句中充当主语,意为“哪一（本）...”）连接代词：在从句中充当主语、宾语、定语表语从句中缺少主语

what（在从句中充当宾语，意为“...的事情”）表语从句中缺少宾语表语从句中缺少主语8.Theproblem

is__________couldfindoutacureforthedisease.9.WhatIhavenotdecided

is________Iamgoingtovisit.10.Bothmyparentshavegivenmesomeadviceonhowtosavemoney.Butthequestion

is

______adviceIshouldtake.

whose（在从句中充当定语，意为“谁的...”）连接代词：在从句中充当成分主语、宾语、定语表语从句中缺少定语表语从句中缺少主语whom（在从句中充当宾语,意为“谁”）表语从句中缺少宾语who（在从句中充当主语,意为“谁”）Tip1:Usagesofdifferentsubordinatingconjunctionsthatcanleadapredicativeclause引导词用法连词that在从句中不充当成分，无意义whether在从句中不充当成分，意为“是否”连接代词what(ever),which(ever),who(ever),whom(ever),whose在从句中充当主语，宾语，定语连接副词how,when,where,why在从句中充当状语其它连词because,asif,asthough在从句中不充当成分，意为“因为，好像，似乎”11.WhatJohnSnowshowedtotheworld

was

______choleracouldbeovercome.12.TheexactplacesSnowmarkedonthemapwere

_______allthosewhodiedhadlived.13.WhatSnowwasdeterminedtofindout

was

________

morethan500peoplediedintendays.14.Thenextmajorexplosionisgoingtobe

________

geneticsandcomputerscometogether.

how

where

when表语从句中SVA成分完整,缺少原因状语：“为什么...”连接副词：在从句中充当方式、地点、原因、时间状语表语从句中SV成分完整，缺少方式状语：“如何”表语从句中SV成分完整,缺少时间状语：“...的时候”why表语从句中SV成分完整，缺少地点状语：“...的地方”Explore：Observeandthink1.Onetheory

was

thatbadaircausedthedisease.2.Another

was

that

cholerawascausedbyaninfectionfromgermsinfoodandwater.3.It

seemed

thatthewomenlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.4.Thetruth

was

thatwaterfromtheBroadStreetpumphadbeeninfectedbywaste.Whatmeaningsandfunctionsdothesepredicativeclausescommunicateineachsentence?Explore：Observeandthink1.Onetheory

was

thatbadaircausedthedisease.2.Another

was

that

cholerawascausedbyaninfectionfromgermsinfoodandwater.3.It

seemed

thatthewomenlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.4.Thetruth

was

thatwaterfromtheBroadStreetpumphadbeeninfectedbywaste.PredicativeClausesareoftenused:1.todirectlyexplainoremphasizewhattheSubjectisingreaterdetail.2.functionasaComplement

(补语)totheSubject.

Practice:Completethefollowingquestionsbyusingpredicativeclausesandfigureoutwhatmeaningsandfunctionstheycommunicate.

EXAMPLE

WhatwasitthatJohnSnowshowedtotheworld?

WhatJohnSnowshowedtotheworldwashowcholeracouldbeovercome.1.WhatwasSnow’sdiscoveryintwoparticularstreetsinLondon?

Snow’sdiscoveryintwoparticularstreetsin

Londonwasthat_________________________.2.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?

WhatSnowwasdeterminedtofindoutwaswhy______________________________________________.3.WhatweretheexactplacesSnowmarkedonthemap?

TheexactplacesSnowmarkedonthemapwerewhere__________________________.4.WhatwasthefindingthatSnowannounced?

Snow’sfindingwasthat__________________________________.Practice:Completethefollowingquestionsbyusingpredicativeclausesandfigureoutwhatmeaningsandfunctionstheycommunicate.

thecholeraoutbreakwassoseverethatmorethan500peoplediedintendaysthecholeraoutbreakhadcausedmorethan500peoplediedintendaysallthosewhodiedhadlivedthepumpwatercarriedcholeragermsApply：UsethetargetstructureincontextDavidistalkingtoMariaabouttheirscientificresearchproject.First,completeDavid’slines(A-E),usingthewordsinthebox;A:Absolutely!Youmaynotbelieveit,butthatwas___________happenedattheinitial(初始的)stageofourgroup'sresearchondevelopingavaccineformalaria.B:Yes,itis.Anditseemed___________allthetheorieswereuseful,butthefactwas______wecouldn'tpersuadeoneanotherthatonetheorywasbetterthananother.C:Exactly.Theproblemwasnotabout___________allourtheorieswereequallygood,butindeciding__________________theorytodependupon.D:Werealizedthatwhatwecaredaboutwasnot___________aspectweneededtodevelopatheoryin,butrather________wecanreducethecostofavaccinewithoutreducingitseffect!E:You'reright.Atlast,webecamefocusedonthekeyissue,whichwas___________wehadtocarryouttheresearchinthefirstplace.asifthatwhatwhowhenhowwhywhosewhichwhetherA:Absolutely!Youmaynotbelieveit,butthatwas___________happenedattheinitial(初始的)stageofourgroup'sresearchondevelopingavaccineformalaria.B:Yes,itis.Anditseemed___________allthetheorieswereuseful,butthefactwas______wecouldn'tpersuadeoneanotherthatonetheorywasbetterthananother.C:Exactly!Theproblemwasnotabout___________allourtheorieswereequallygood,butindeciding__________________theorytodependupon.D:Werealizedthatwhatwecaredaboutwasnot___________aspectweneededtodevelopatheoryin,butrather________wecanreducethecostofavaccinewithoutreducingitseffect!E:You'reright.Atlast,webecamefocusedonthekeyissue,whichwas___________wehadtocarryouttheresearchinthefirstplace.asifthatwhatwhowhenhowwhywhosewhichwhetherwhatasifthatwhetherwhich/whatwhat/whichhowwhyFirst,completeDavid’slines(A-E),usingthewordsinthebox;ThenputDavid'slinesinthecorrectorder.A:Absolutely!Youmaynotbelieveit,butthatwaswhathappenedattheinitial(初始的)stageofourgroup'sresearchondevelopingavaccineformalaria.B:Yes,itis.Anditseemedasifallthetheorieswereuseful,butthefactwasthatwecouldn'tpersuadeoneanotherthatonetheorywasbetterthananother.C:Exactly.Theproblemwasnotaboutwhetherallourtheorieswereequallygood,butindecidingwhat/whichtheorytodependupon.D:Werealizedthatwhatwecaredaboutwasnotwhat/whichaspectweneededtodevelopatheoryin,butratherhowwecanreducethecostofavaccinewithoutreducingitseffect!E:You'reright.Atlast,webecamefocusedonthekeyissue,whichwaswhywehadtocarryouttheresearchinthefirstplace.Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.David:__________________Maria:Withyourtheoreticalframework?David:__________________Maria:Decidingonatheoryisdefinitelyofcriticalimportance.David:_________________Maria:Thiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.David:_________________Maria:Sowhathappenedintheend?David:__________________ThenputDavid'slinesinthecorrectorder.A:Absolutely!Youmaynotbelieveit,butthatwaswhathappenedattheinitial(初始的)stageofourgroup'sresearchondevelopingavaccineformalaria.B:Yes,itis.Anditseemedasifallthetheorieswereuseful,butthefactwasthatwecouldn'tpersuadeoneanotherthatonetheorywasbetterthananother.C:Exactly!Theproblemwasnotaboutwhetherallourtheorieswereequallygood,butindecidingwhat/whichtheorytodependupon.D:Werealizedthatwhatwecaredaboutwasnotwhat/whichaspectweneededtodevelopatheoryin,butratherhowwecanreducethecostofavaccinewithoutreducingitseffect!E:You'reright.Atlast,webecamefocusedonthekeyissue,whichwaswhywehadtocarryouttheresearchinthefirstplace.Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.David:__________________Maria:Withyourtheoreticalframework?David:__________________Maria:Decidingonatheoryisdefinitelyofcriticalimportance.David:_________________Maria:Thiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.David:_________________Maria:Sowhathappenedintheend?David:__________________A：“initialstage”(logicalconnector)C：“decidingwhattheorytodependupon”-“Decidingonatheory”(lexicalconnectors)B：“couldn'tpersuadeoneanother”-“this”(grammaticalconnector)E：“Atlast”-“intheend”(logicalconnectors)D：apossibleanswertotheWh-question(grammaticalconnector)Answerthecomprehensionquestionsbyusingpredicativeclauses.Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.David:Absolutely!Youmaynotbelieveit,butthatwaswhathappenedattheinitialstageofourgroup'sresearchondevelopingavaccineformalaria.Maria:Withyourtheoreticalframework?David:ExactlyTheproblemwasnotaboutwhetherallourtheorieswereequallygood,butindecidingwhat/whichtheorytodependupon.Maria:Decidingonatheoryisdefinitelyofcriticalimportance.David:Yes,itis.Anditseemedasifallthetheorieswereuseful,butthefactwasthatwecouldn'tpersuadeoneanotherthatonetheorywasbetterthananother.Maria:Thiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.David:You'reright.Atlast,webecamefocusedonthekeyissue,whichwas

whywehadtocarryouttheresearchinthefirstplace.Maria:Sowhathappenedintheend?David:Werealizedthatwhatwecaredaboutwasnotwhat/whichaspectweneededtodevelopatheoryin,butratherhowwecanreducethecostofavaccinewithoutreducingitseffect!Q1:WhatwasDavid’sgroup’sresearch?Q2:Whatwastheproblem?Q3:Whatwasthekeyissue?Q4:Whatdidtheycareabout?A:David’sgroup’sresearchwas

that

theywantedtodevelopavaccineformalaria.A:Theproblemwas

thattheyhadtodecidewhich/whattheorytodependupon.A:Thekeyissuewas

whytheyhadtocarryouttheresearchinthefirstplace.A:Whattheycaredaboutwas

howtheycanreducethecostofavaccinewithoutreducingitseffect.ArecapofpredicativeclausesForm:Subject+Linkingverbs+[subordinatingconjunction+otherelements]Functions:PredicativeClausesareoftenusedtodirectlyexplainoremphasizewhattheSubjectisingreaterdetailandfunctionasaComplement(补语)totheSubject.Usages:CompleteExercise2inAssessingYourProgressonP10.Assignment2.CompleteExercise2ofUsingStructuresin

WorkbookonP62.THANKYOU!高二—人教版—英语—选择性必修二第一单元

Unit1

SCIENCEANDSCIENTISTS

Lesson3:DiscoverUsefulStructures&UsingStructures答疑1.Complete

Exercise2

inAssessingYourProgressonP10.Assignment2.CompleteExercise2ofUsingStructuresinWorkbookonP62.1.CompleteExercise2

inAssessingYourProgresson

P10.Science

issimply_________youcando.Anddoingsciencemakesyouascientist!So,whatdoscientistsdo?Actually,whatmatters

isnotonly_________theyobserveintheworldaroundthemandwhatquestionstheyask,butalso

_________

theyuseevidenceordatatoanswerthequestions.Theyidentifyusefuldataandtakenewmeasurements.

Someofthekeyissuesthatscientistsfaceare_________

calculationstheydoand_________

theyanalysetheirdatatodrawconclusionsaboutthequestionstheyask.

Thefinalissue,whichmanybelievetobethemostimportant,is_________theyneedtocommunicatetheirresults.This

is_________

theywanteveryonetobenefitfromtheirwork!It

seems_________

scienceisall

aroundus.Yousee,bydoingscience,scientists

getabetterunderstandingoftheworldaroundthemandsharethatunderstandingwiththewholeworld.whatwhathowwhathowthat/asifwhybecause1A:Papermaking,printing,gunpowder,andthecompassarethefourgreatinventionsofancientChina.TheyaresignificantcontributionsoftheChinesenationtotheworld.B:Sure,theyare.WhatIwanttoknowthough

is____________________________________________________________________2A:Th