外研版（2019）選擇性必修三Unit

4

A

glimpse

ofthe

futureUsinglanguageSubject-verbagreement(2)Lookatthesentencesfromthereadingpassageandanswerthequestions.a.…50percentofmytimewasspentresearchingnewrestaurants.b.Everyrecommendationshegivesmeisgreat...

c.…almost50percentofUSjobsareatriskfromautomationinthenext20years.d.…noneofusispreparedforthechallengesofAI.

1.Whyis50percentsingularinsentence(a)butpluralinsentence(c)?2.Whatarethesubjectsinsentences(b)and(d)?Aretheysingularorplural?Becauseinsentence(a),thepart“50percent”isfollowedbytheuncountablenoun“time”,whileinsentence(c),thepart“50percent”isfollowedbythecountablenoun“job”initspluralform.Insentence(b),thepart“Everyrecommendation”isthesubject.Insentence(d),thepart“noneofus”isthesubject.Botharesingular.Nowlookformoresentencesfollowingthisruleinthereadingpassage,

andsummarisetheuseofsubject-verbagreementinyourownwords.Nearlyeveryjobis

potentiallyatriskinthelongrun.Thetechnology

you’reusingandenjoyingtodayisabasicformofAI...Ibelievemostofthevalue

ofAIliesinitscapacitytoanalyseandinterpretvastamountsofdata...Grammar:Subject-verbagreement（主謂一致）Theboy_____diving.They_____diving.BothTomandTim_____diving.Allofthem_____diving.NeitherTomnorTim_____walking.isareareisareFinishthefollowingexercises:如果主語本身是可數(shù)名詞單數(shù)或者不可數(shù)名詞，則謂語動(dòng)詞要用單數(shù)形式；Around10percentoftheforestisdestroyedeachyear.每年大約有10%的森林被毀。如果主語是可數(shù)名詞復(fù)數(shù)，或主語加上修飾語后整體表達(dá)的是復(fù)數(shù)概念，那么謂語動(dòng)詞要用復(fù)數(shù)形式。Abouttwo-thirdsofthebooksinthelibraryaredonatedbystudentswhograduatedfromtheschool.圖書館里大約三分之二的書都是由這所學(xué)校的畢業(yè)生捐贈(zèng)的。

當(dāng)主語被分?jǐn)?shù)（百分?jǐn)?shù)）、表示量的詞匯等修飾時(shí)，謂語動(dòng)詞的形式要依據(jù)主語本身進(jìn)行判斷常用的表示“量”的短語后面接名詞的謂語情況anumberof/avarietyof/varietiesof+可數(shù)名詞復(fù)數(shù)作主語時(shí)，謂語動(dòng)詞用復(fù)數(shù)形式。alargeamountof+不可數(shù)名詞，謂語動(dòng)詞用單數(shù)；largeamountsof+不可數(shù)名詞，謂語動(dòng)詞用復(fù)數(shù)。Anumberofnewhouseshavebeenbuiltthere.Avarietyofproductsareonsalenow.Alargeamountofmoneywasspentonthebridge.Largeamountsofmoneywerespentonthebridge.當(dāng)主語被不定代詞修飾或主語本身是不定代詞時(shí)，謂語動(dòng)詞的形式需要根據(jù)主語加上修飾語后整體表達(dá)的意義來進(jìn)行判斷Everymeanshasbeentriedoutwithoutmuchresult.所有方法都試過了，卻沒有什么效果。Practice：1)Eachgirl______aprize.2)Manyofus_____gonethroughregulartraining.3)Everypossibleapproach______beentried,butinvain.4)Bothoftheinstruments_____notpreciseones.5)Something_____goingtohappen,andnobodycanstopitfromhappening.havehasaregetsisall作主語表示人時(shí)，謂語動(dòng)詞用復(fù)數(shù)；表示物時(shí)，謂語動(dòng)詞用單數(shù)Alliswellthatendswell.結(jié)果好一切都好。Allareeagertoreachanagreement.大家都急于達(dá)成一項(xiàng)協(xié)議。none作主語時(shí)，謂語動(dòng)詞既可用單數(shù)也可用復(fù)數(shù)，這要取決于說話人的看法Noneofthem

seemtohavethoughtofit.似乎他們?nèi)紱]有想到這一點(diǎn)。（此處強(qiáng)調(diào)全體，全部都沒有想到。）Noneofushasgotamobilephone.(none=notasingleone)我們都沒有手機(jī)。（此處強(qiáng)調(diào)每一個(gè)個(gè)體，沒有一個(gè)有照相機(jī)的。）當(dāng)主語被否定詞修飾或主語本身是否定詞時(shí)，謂語動(dòng)詞一般用單數(shù)形式Nothingelsematterstohimapartfromhisjob.

對他來說，除了工作以外，什么事都無關(guān)緊要。Nobodyknowswhatthefutureholdsforus.沒有人知道我們的未來會(huì)怎樣。Nobodyhasgotaticket.

誰都沒有票。Nothingwasavailable.

沒有可用的。Completethepassagebychoosingthesingularorpluralform.Nowadays,

somecompaniesoffergenetictestingforchildren’stalents.Alargenumberofclientshave/hasbeenattractedtoit.Theyareparents,

eagertoknowwhattalentstheirchildrenmayhaveinthefuture.Theprocessissimple.Everychildprovide/providesasmallsampleofbloodorbodytissue.Thisis/Theseareanalysed.Eachofthechildrenis/aregivenareportshowingtheirpossibletalents.Arecentexamplecitedonthewebsiteisthatoneofthetestingcompaniescompare/comparesthetalentsoftwinsBobbyandBenny.Bobbywasassessedandhistalentswas/wererevealed

tobemostlyscientific:

a66%chanceofsuccessinchemistryand54%inphysicswas/wereshown.Meanwhile,

Benny’shighestscorewas/wereshowntobeinanartssubject:

thetestgavehim68%forliterarystudies.Isgenetictestingreliable?Somescientistssaythatmoreevidenceis/areneeded.

Completethedescriptionaccordingtothecharts,payingattentiontosubject-verbagreement.FUTURELastweek,

weaskedyoutodesignyouridealplanetforpeopleonEarthtoliveoninthe22ndcentury.Wehavereceivedover500entriesandhavebeenamazedbyyourimaginations!Here’soneofthedesigns. Threequartersofthesurfaceismadeupofland,

whiletherestissea,

covering25%ofthesurface.Halfofthelandiscoveredwithtrees.Residentialareaandarablelandbothaccountforthesameproportion,

20%ofthetotalland.Therestisdesert,

covering10%ofthetotalland.Therearethreekindsofpeople.Fiftypercentofthepeopleareoriginalresidents,

30%arefromEarthand20%arefromotherplanets. Describeanotherplanetforthefuture,payingattentiontosubject-verbagreement.Thefollowingquestionsmaybeofhelptoyou:Istheresomewaterforitsresidentstouse?Isthetemperatureonthatplanetsuitableforpeopletolivein?Herearesomewordsforsomeplanets:Venus:金星Mercury:水星Mars:火星Jupiter:木星Saturn:土星鞏固練習(xí)(2023·全國甲卷)Intheevening,whenItakethewalkintheschoolgarden,thesingingofinsects________(become)moremeaningfultome.

(2023·全國甲卷)Uptonow,China

(establish)anumberofprotectedareaswithmangroves.

(2022·浙江1月卷)Travellingtoconferences,lectures,workshops,andthelikefrequentlybyplane

（view）asimportantforscientiststogettogetherandexchangeinformation.ButCobbandothers

（be）nowquestioningthatideapushingconferencestoprovidemorechancestoparticipateremotely,（2022·全國乙卷）Adoctortellsmepeoplewho________(live)thelongestaredancersandcyclists.

(2022·新高考I卷Theplanwillextendprotectiontoasignificantnumberofareasthat

(be)previouslyunprotected,bringingmanyoftheexistingprotectedareasforgiantpandasunderoneauthoritytoincreaseeffectivenessandreduceinconsistenciesinmanagement.)becomeshasestablishedisviewedarelivewere鞏固練習(xí)6.(2022·新高考I卷)TheGPNP

(design)toreflecttheguidingprincipleof“protectingtheauthenticityandintegrity(完整性)ofnaturalecosystems,preservingbiologicaldiversity,protectingec