2023-2024學(xué)年度人教版選擇性必修二 Unit1 Science and Scientists Discover Useful Structures-課件（31張）

2023-2024學(xué)年度人教版選擇性必修二Unit1ScienceandScientistsDiscoverUsefulStructuresLearningobjectivesIn

this

class,

you

will1.identifyandsummarizetheformofthepredicativeclause;2.gettoknowthemeaningofthepredicativeclause;3.usethepredicativeclausetotalkaboutscienceandscientists.ReviewReviewWhatkindofpersonisJohnSnow?JohnSnowissmart.JohnSnowisdetermined.JohnSnowiscommitted.…Warmup1.JohnSnowisdetermined.

2.Onetheorywasthatbadaircausedthedisease.

predicative(表語(yǔ))

predicativeclause(表語(yǔ)從句)

SP主(系)表

SP主(系)表

Findandunderlinethepredicativeclauses.Itseemsthatscienceisallaroundus.Understandingscienceandpushingtheboundariesofscienceiswhatmakesmesatisfied.

Summary1

Linkingverbs狀態(tài)類：be動(dòng)詞,seem,appear,keep,remain,stay…感官類：look,smell,taste,sound,feel…變化類：become,get,turn,grow,fall,come,go…

Activity1:Underlineallthepredicativeclausesinthereadingpassage.Para.2Ingeneral,doctorsinthosedayshadtwocontradictorytheories…Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.………空氣污染引發(fā)霍亂。……食物或飲用水中的細(xì)菌感染導(dǎo)致霍亂。Activity1:Underlineallthepredicativeclausesinthereadingpassage.Para.3…Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemedthatthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.該女士似乎非常喜歡從水泵抽上來(lái)的水，每天都讓人從那里打水運(yùn)到家里來(lái)。Activity1:Underlineallthepredicativeclausesinthereadingpassage.Para.4ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.Moreover,Snowwaslaterabletoshow

a

link

between

other

cases

of

cholera

and

the

differentwatercompaniesinLondon.………寬街水泵抽上來(lái)的水被廢棄物污染了。Activity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.ExampleWhatwasitthatJohnSnowshowedtotheworld?WhatJohnSnowshowedtotheworldwas__________________________.howcholeracouldbeovercomehow

意思為“如何”，在表語(yǔ)從句中充當(dāng)狀語(yǔ)Activity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.1.WhatwasSnow’sdiscoveryintwoparticularstreetsinLondon?Snow’sdiscoveryintwoparticularstreetsinLondonwas

_____________________________________________

_____________________________________________thatthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.that

無(wú)意義，在表語(yǔ)從句中不充當(dāng)成分,起連接作用，不能省略Activity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.2.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?WhatSnowwasdeterminedtofindoutwas

____________________________________________

____________________________________________whytheoutbreakofcholerahadcausedover500deathswithintendays.why意思為“……的原因”，在表語(yǔ)從句中充當(dāng)狀語(yǔ)Activity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.3.WhatweretheexactplacesSnowmarkedonthemap?

TheexactplacesSnowmarkedonthemapwere

______________________________whereallthosewhodiedhadlived.where意思為“……的地點(diǎn)”，在表語(yǔ)從句中充當(dāng)狀語(yǔ)Activity2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.4.WhatwasthefindingthatSnowannounced?

Snow’sfindingwas

____________________________________

thatthepumpwatercarriedcholeragerms.that

無(wú)意義，在表語(yǔ)從句中不充當(dāng)成分,起連接作用，不能省略Summary21.WhatJohnSnowshowedtotheworldwashowcholeracouldbeovercome.2.TheexactplacesSnowmarkedonthemapwerewhereallthosewhodiedhadlived.3.Snow’sfindingwasthatthepumpwatercarriedcholeragerms.引導(dǎo)詞在表語(yǔ)從句中充當(dāng)?shù)某煞忠龑?dǎo)詞備注主語(yǔ)who,what,which…根據(jù)句意選擇賓語(yǔ)whom,who,what,which…表語(yǔ)whom,who,what,which定語(yǔ)whose,what,which狀語(yǔ)when,where,why,how不充當(dāng)成分that,whether,asif,asthough,becauseActivity3:CompleteDavid’slines(A-E),usingthewordsinthebox.asifthatwhatwhowhenhowwhywhosewhichwhetherAAbsolutely.Youmaynotbelieveit,butthatwas_____happenedattheinitialstageofourgroup’sresearchondevelopingavaccineformalaria.whatBYes,itis.Anditseemed_____allthetheorieswereuseful,butthefactwas_____wecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.CExactly.Theproblemwasnotabout________allourtheorieswereequallygood,butindeciding________________theorytodependupon.asifthatwhetherwhich/what/whoseasifthatwhatwhowhenhowwhywhosewhichwhetherD

Werealisedthatwhatwecaredaboutwasnot_________aspectweneededtodevelopatheoryin,butrather_____wecanreducethecostofavaccinewithoutreducingitseffect!E

You’reright.Atlast,webecamefocusedonthekeyissue,whichwas_______wehadtocarryouttheresearchinthefirstplace.which/whathowwhyasifthatwhatwhowhenhowwhywhosewhichwhetherActivity3:PutDavid’slinesinthecorrectorderandpractisetheconversation.

Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.David:________________________________________

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

Maria:Withyourtheoreticalframework?David:________________________________________

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

Maria:Decidingonatheoryisdefinitelyofcriticalimportance.David:________________________________________

B

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

Maria:Thiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.David:________________________________________

E

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

Maria:Sowhathappenedintheend?David:________________________________________

D

(Werealisedthatwhatwecaredaboutwasnotwhich/whataspectweneededtodevelopatheoryin,butratherhowwecanreducethecostofavaccinewithoutreducingitseffect!)Activity4:Fillineachblankwithaword

orexpressionthatintroducesapredicativeclause.(page10)

Activity4:Fillineachblankwithaword

orexpressionthatintroducesapredicativeclause.(page10)

Whatisthepassageabout?Itisaboutscienceandscientist.Scienceissimply_______youcando.Anddoingsciencemakesyouascientist!So