教学用 人教版选择性必修2 Unit1 Discover Useful Structures课件

Unit1ScienceandScientists

DiscoverusefulstructuresUnit1ScienceandScientists

LearningobjectivesIn

this

class,

you

will1.identifyandsummarizetheformofthepredicativeclause;2.gettoknowthemeaningofthepredicativeclause;3.usethepredicativeclausetotalkaboutscienceandscientists.LearningobjectivesInthisclReviewReviewReviewWhatkindofpersonisJohnSnow?JohnSnowissmart.JohnSnowisdetermined.JohnSnowiscommitted.…ReviewWhatkindofpersonisWarmup1.JohnSnowisdetermined.

2.Onetheorywasthatbadaircausedthedisease.

predicative(表语)

predicativeclause(表语从句)

SP主(系)表

SP主(系)表

Warmup1.JohnSnowisdetermFindandunderlinethepredicativeclauses.Itseemsthatscienceisallaroundus.Understandingscienceandpushingtheboundariesofscienceiswhatmakesmesatisfied.

FindandunderlinethepredicaSummary1

Linkingverbs状态类：be动词,seem,appear,keep,remain,stay…感官类：look,smell,taste,sound,feel…变化类：become,get,turn,grow,fall,come,go…

Summary1LinkingverbsActivity1:Underlineallthepredicativeclausesinthereadingpassage.Para.2Ingeneral,doctorsinthosedayshadtwocontradictorytheories…Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.………空气污染引发霍乱。……食物或饮用水中的细菌感染导致霍乱。Activity1:UnderlinealltheActivity1:Underlineallthepredicativeclausesinthereadingpassage.Para.3…Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemedthatthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.该女士似乎非常喜欢从水泵抽上来的水，每天都让人从那里打水运到家里来。Activity1:UnderlinealltheActivity1:Underlineallthepredicativeclausesinthereadingpassage.Para.4ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.Moreover,Snowwaslaterabletoshow

a

link

between

other

cases

of

cholera

and

the

differentwatercompaniesinLondon.………宽街水泵抽上来的水被废弃物污染了。Activity1:UnderlinealltheActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.ExampleWhatwasitthatJohnSnowshowedtotheworld?WhatJohnSnowshowedtotheworldwas__________________________.howcholeracouldbeovercomehow

意思为“如何”，在表语从句中充当状语Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.1.WhatwasSnow’sdiscoveryintwoparticularstreetsinLondon?Snow’sdiscoveryintwoparticularstreetsinLondonwas

_____________________________________________

_____________________________________________thatthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.that

无意义，在表语从句中不充当成分,起连接作用，不能省略Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.2.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?WhatSnowwasdeterminedtofindoutwas

____________________________________________

____________________________________________whytheoutbreakofcholerahadcausedover500deathswithintendays.why意思为“……的原因”，在表语从句中充当状语Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.3.WhatweretheexactplacesSnowmarkedonthemap?

TheexactplacesSnowmarkedonthemapwere

______________________________whereallthosewhodiedhadlived.where意思为“……的地点”，在表语从句中充当状语Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.4.WhatwasthefindingthatSnowannounced?

Snow’sfindingwas

____________________________________

thatthepumpwatercarriedcholeragerms.that

无意义，在表语从句中不充当成分,起连接作用，不能省略Activity2:AnswerthefollowiSummary21.WhatJohnSnowshowedtotheworldwashowcholeracouldbeovercome.2.TheexactplacesSnowmarkedonthemapwerewhereallthosewhodiedhadlived.3.Snow’sfindingwasthatthepumpwatercarriedcholeragerms.Summary2引导词在表语从句中充当的成分引导词备注主语who,what,which…根据句意选择宾语whom,who,what,which…表语whom,who,what,which定语whose,what,which状语when,where,why,how不充当成分that,whether,asif,asthough,because引导词在表语从句引导词备注主语who,what,whicActivity3:CompleteDavid’slines(A-E),usingthewordsinthebox.asifthatwhatwhowhenhowwhywhosewhichwhetherAAbsolutely.Youmaynotbelieveit,butthatwas_____happenedattheinitialstageofourgroup’sresearchondevelopingavaccineformalaria.whatActivity3:CompleteDavid’slBYes,itis.Anditseemed_____allthetheorieswereuseful,butthefactwas_____wecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.CExactly.Theproblemwasnotabout________allourtheorieswereequallygood,butindeciding________________theorytodependupon.asifthatwhetherwhich/what/whoseasifthatwhatwhowhenhowwhywhosewhichwhetherBYes,itis.Anditseemed_D

Werealisedthatwhatwecaredaboutwasnot_________aspectweneededtodevelopatheoryin,butrather_____wecanreducethecostofavaccinewithoutreducingitseffect!E

You’reright.Atlast,webecamefocusedonthekeyissue,whichwas_______wehadtocarryouttheresearchinthefirstplace.which/whathowwhyasifthatwhatwhowhenhowwhywhosewhichwhetherDWerealisedthatwhatwecaActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.David:________________________________________

A(Absolutely.Youmaynotbelieveit,butthatwaswhathappenedattheinitialstageofourgroup’sresearchondevelopingavaccineformalaria.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Withyourtheoreticalframework?David:________________________________________

C(Exactly.Theproblemwasnotaboutwhetherallourtheorieswereequallygood,butindecidingwhich/what/whosetheorytodependupon.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Decidingonatheoryisdefinitelyofcriticalimportance.David:________________________________________

B

(Yes,itis.Anditseemedasifallthetheorieswereuseful,butthefactwasthatwecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Thiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.David:________________________________________

E

(You’reright.Atlast,webecamefocusedonthekeyissue,whichwaswhywehadtocarryouttheresearchinthefirstplace.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Sowhathappenedintheend?David:________________________________________

D

(Werealisedthatwhatwecaredaboutwasnotwhich/whataspectweneededtodevelopatheoryin,butratherhowwecanreducethecostofavaccinewithoutreducingitseffect!)Activity3:PutDavid’slinesActivity4:Fillineachblankwithaword

orexpressionthatintroducesapredicativeclause.(page10)

Activity4:FillineachblanActivity4:Fillineachblankwithaword

orexpressionthatintroducesapredicativeclause.(page10)

Whatisthepassageabout?Itisaboutscienceandscientist.Activity4:FillineachblanScienceissimply_______youcando.Anddoingsciencemakesyouascientist!So,whatdoscientistsdo?Actually,whatmattersisnotonly_______theyobserveintheworldaroundthemandwhatquestionstheyask,butalso_______theyuseevidenceordatatoanswerthequestions.Theyidentifyusefuldataandtakenewmeasurements.Someofthekeyissuesthatscientistsfaceare_______calculationswhathowwhatwhatScienceissimply_______youtheydoand_______theyanalysetheirdatatodrawconclusionsaboutthequestionstheyask.Thefinalissue,whichmanybelievetobethemostimportant,is_______theyneedtocommunicatetheirresults.Thisis_______theywanteveryonetobenefitfromtheirwork!Itseems_______scienceisallaroundus.Yousee,bydoingscience,scientistsgetabetterunderstandingoftheworldaroundthemandsharethatunderstandingwiththewholeworld.howwhybecausethattheydoand_______theyanalyHomework1.FinishActivity1onpage62.2.FinishActivity2onpage62.Homework1.FinishActivity1oUnit1ScienceandScientists

DiscoverusefulstructuresUnit1ScienceandScientists

LearningobjectivesIn

this

class,

you

will1.identifyandsummarizetheformofthepredicativeclause;2.gettoknowthemeaningofthepredicativeclause;3.usethepredicativeclausetotalkaboutscienceandscientists.LearningobjectivesInthisclReviewReviewReviewWhatkindofpersonisJohnSnow?JohnSnowissmart.JohnSnowisdetermined.JohnSnowiscommitted.…ReviewWhatkindofpersonisWarmup1.JohnSnowisdetermined.

2.Onetheorywasthatbadaircausedthedisease.

predicative(表语)

predicativeclause(表语从句)

SP主(系)表

SP主(系)表

Warmup1.JohnSnowisdetermFindandunderlinethepredicativeclauses.Itseemsthatscienceisallaroundus.Understandingscienceandpushingtheboundariesofscienceiswhatmakesmesatisfied.

FindandunderlinethepredicaSummary1

Linkingverbs状态类：be动词,seem,appear,keep,remain,stay…感官类：look,smell,taste,sound,feel…变化类：become,get,turn,grow,fall,come,go…

Summary1LinkingverbsActivity1:Underlineallthepredicativeclausesinthereadingpassage.Para.2Ingeneral,doctorsinthosedayshadtwocontradictorytheories…Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.………空气污染引发霍乱。……食物或饮用水中的细菌感染导致霍乱。Activity1:UnderlinealltheActivity1:Underlineallthepredicativeclausesinthereadingpassage.Para.3…Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemedthatthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.该女士似乎非常喜欢从水泵抽上来的水，每天都让人从那里打水运到家里来。Activity1:UnderlinealltheActivity1:Underlineallthepredicativeclausesinthereadingpassage.Para.4ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.Moreover,Snowwaslaterabletoshow

a

link

between

other

cases

of

cholera

and

the

differentwatercompaniesinLondon.………宽街水泵抽上来的水被废弃物污染了。Activity1:UnderlinealltheActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.ExampleWhatwasitthatJohnSnowshowedtotheworld?WhatJohnSnowshowedtotheworldwas__________________________.howcholeracouldbeovercomehow

意思为“如何”，在表语从句中充当状语Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.1.WhatwasSnow’sdiscoveryintwoparticularstreetsinLondon?Snow’sdiscoveryintwoparticularstreetsinLondonwas

_____________________________________________

_____________________________________________thatthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.that

无意义，在表语从句中不充当成分,起连接作用，不能省略Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.2.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?WhatSnowwasdeterminedtofindoutwas

____________________________________________

____________________________________________whytheoutbreakofcholerahadcausedover500deathswithintendays.why意思为“……的原因”，在表语从句中充当状语Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.3.WhatweretheexactplacesSnowmarkedonthemap?

TheexactplacesSnowmarkedonthemapwere

______________________________whereallthosewhodiedhadlived.where意思为“……的地点”，在表语从句中充当状语Activity2:AnswerthefollowiActivity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.4.WhatwasthefindingthatSnowannounced?

Snow’sfindingwas

____________________________________

thatthepumpwatercarriedcholeragerms.that

无意义，在表语从句中不充当成分,起连接作用，不能省略Activity2:AnswerthefollowiSummary21.WhatJohnSnowshowedtotheworldwashowcholeracouldbeovercome.2.TheexactplacesSnowmarkedonthemapwerewhereallthosewhodiedhadlived.3.Snow’sfindingwasthatthepumpwatercarriedcholeragerms.Summary2引导词在表语从句中充当的成分引导词备注主语who,what,which…根据句意选择宾语whom,who,what,which…表语whom,who,what,which定语whose,what,which状语when,where,why,how不充当成分that,whether,asif,asthough,because引导词在表语从句引导词备注主语who,what,whicActivity3:CompleteDavid’slines(A-E),usingthewordsinthebox.asifthatwhatwhowhenhowwhywhosewhichwhetherAAbsolutely.Youmaynotbelieveit,butthatwas_____happenedattheinitialstageofourgroup’sresearchondevelopingavaccineformalaria.whatActivity3:CompleteDavid’slBYes,itis.Anditseemed_____allthetheorieswereuseful,butthefactwas_____wecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.CExactly.Theproblemwasnotabout________allourtheorieswereequallygood,butindeciding________________theorytodependupon.asifthatwhetherwhich/what/whoseasifthatwhatwhowhenhowwhywhosewhichwhetherBYes,itis.Anditseemed_D

Werealisedthatwhatwecaredaboutwasnot_________aspectweneededtodevelopatheoryin,butrather_____wecanreducethecostofavaccinewithoutreducingitseffect!E

You’reright.Atlast,webecamefocusedonthekeyissue,whichwas_______wehadtocarryouttheresearchinthefirstplace.which/whathowwhyasifthatwhatwhowhenhowwhywhosewhichwhetherDWerealisedthatwhatwecaActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.David:________________________________________

A(Absolutely.Youmaynotbelieveit,butthatwaswhathappenedattheinitialstageofourgroup’sresearchondevelopingavaccineformalaria.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Withyourtheoreticalframework?David:________________________________________

C(Exactly.Theproblemwasnotaboutwhetherallourtheorieswereequallygood,butindecidingwhich/what/whosetheorytodependupon.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Decidingonatheoryisdefinitelyofcriticalimportance.David:________________________________________

B

(Yes,itis.Anditseemedasifallthetheorieswereuseful,butthefactwasthatwecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.)Activity3:PutDavid’slinesActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Thiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.David:________________________________________

E

(