高中英语人教版选修7测评Unit1LivingwellSectionⅢGrammar

SectionⅢ—Grammar课后篇巩固提升一、变式训练1.Itisimpossiblethatachildcanliftsuchaheavybox.=Itisimpossiblesuchaheavybox.

答案forachildtolift2.Ithappenedthatyouhadknowneachotherbefore.=Youhappenedeachotherbefore.

答案tohaveknown3.Itwassaidthathehadbeentoldaboutthenews.=Hewassaidaboutthenews.

答案tohavebeentold4.Theteachermadethestudentstandallthetime.=Thestudentallthetimebytheteacher.

答案wasmadetostand5.Theysawherentertheroom.=Sheentertheroombythem.

答案wasseento二、完成句子1.他太激动了,以至于说不出话来。Hewas.

答案tooexcitedtosayanyword2.我们知道她研究这个问题有好几年了。Sheisknownontheproblemformanyyears.

答案tohavebeenworking3.他好像正在吃什么东西。Heseemssomething.

答案tobeeating4.她觉得有必要重申她的立场。Shefoundreassertherposition.

答案itnecessaryto5.我从家里一路走到图书馆,不料图书馆已经关门了。Iwalkedallthewayfromhometothelibrary,itclosed.

答案onlytofind三、阅读理解AThefluseasonarrivessopredictably,andaffectssomanyofus,thatit’shardtobelievethatscientistshavehadverylittleideawhycoldweatherhelpsgermstospread.Worldwide,uptofivemillionpeoplecatchtheillnesseachfluseason,andaroundaquarterofamilliondiefromit.Partofitspoweresfromthefactthattheviruschangessoquicklythatthebodyishardlyprepared.“Theantibodieswe’vebuiltupnolongerrecognizethevirus—soweloseourimmunity,”saysJaneMetzattheUniversityofBristol.Italsomakesithardertodevelopeffectivevaccines,andevenifoneesout,governmentsoftenfailtopersuadeenoughpeopletotakeitup.Thehopeisthatbyunderstandingbetterwhyfluspreadsinwinter,butnaturallyfadesinsummer,doctorscouldfindsimplemeasurestostopitsspread.Previoustheorieshadcentredonourbehaviour.Wespendmoretimeindoorsinthewinter,meaningthatwe’reinclosercontactwithotherpeoplewhomaybecarryinggerms.Anotherpopularideaconcernedourphysiology(生理机制):thecoldweatherweakensourbodies’defensesagainstinfection.Inwinter,withoutmuchsunlight,wemayrunlowonVitaminD,whichhelpspowerthebody’simmunesystem.Moreover,whenwebreatheincoldair,thebloodvesselsinournoseshrink,whichaffectsthenormalfunctionofwhitebloodcells,allowingvirusestoslippastourdefensesunnoticed.Whilesuchfactorsbothplaysomerole,analysessuggestedanotherignoredcausemayhavebeenlyinginvisibleintheairthatwebreathe.Thankstothelawsofthermodynamics(空气热力学),coldaircancarrylesswatervaporbeforeitreachesthe“dewpoint”andfallsasrain.Sowhiletheweatheroutsidemayseemwetter,theairitselfisdrierasitlosesthemoisture.Andresearchesinthepastfewyearshasshownthatthesedryconditionsseemtooffertheperfectenvironmentforthefluvirustoflourish.Inwetterair,theepidemicstrugglestobuildstrength,whileindrierconditionsitspreadslikewildfire.Andparing30years’climaterecordswithhealthrecords,JeffreyShamanatColumbiaUniversityfoundthatfluepidemicsalmostalwaysfollowedadropinairhumidity.1.Whatcanweinferfromthesecondparagraph?A.Weloseimmunityduetotheabsenceofourantibodies.B.Theantibodiesfailtofunctionduetovariationofvirus.C.Governmentshouldeupwithbetterwaystopersuadepeople.D.Oneinfouroftheinfecteddiefromtheinfluenzaeachfluseason.答案B解析推理判断题。根据第二段可以看出,我们身体的抗体由于病毒的变化多样而无法发挥作用。故选B项。2.Whatisthepurposeofunderstandingbetterwhyfluspreadsinwinter?A.Tohelpdevelopeffectivevaccine.B.Toseekwaystotreatpeopleinfectedwithflu.C.Tofigureoutwaystocutoffitstransmission.D.Toexplorehowtodefendourimmunesystem.答案C解析细节理解题。根据第三段可知,更好地了解流感为什么在冬季流行的目的是为了抑制流感传播。故选C项。3.Inwhatweatherconditionafluepidemicismorelikelytooccur?A.Destroyingourbodies’immunesystem.B.Poweringourbodies’immunesystem.C.Killingnumerousvirusesthatwetakein.D.StoppingusacquiringenoughVitaminD.答案D解析推理判断题。根据第五段可知,阻止我们获得足够维生素D的天气更容易爆发流感。故选D项。4.Whatisthebesttitleofthepassage?A.WaystopreventinfectionoffluB.FluAdiseasenotsohardtopreventC.ApredictablefluseasonD.Whygermsspreadinwinter答案D解析主旨大意题。文章首段引出主题,整篇文章都是围绕着为什么细菌在冬天传播。所以短文的最佳标题为“为什么细菌在冬天传播”。故选D项。BSincethe1970s,scientistshavebeensearchingforwaystolinkthebrainwithputers.Brainputerinterface(界面)(BCI)technologycouldhelppeoplewithdisabilitiessendmandstomachines.Recently,tworesearchers,JoseMilanandMicheleTavellafromtheFederalPolytechnicschoolinLausanne,Switzerland,demonstrated(展示)asmallroboticwheelchairdirectedbyaperson’sthoughts.Inthelaboratory,Tavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrighthand.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts.“Ourbrainhasbillionsofnervecells.Thesesendsignalsthroughthespinalcord(脊髓)tothemusclestogiveustheabilitytomove.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles,”Tavellasays.“Oursystemallowsdisabledpeopletomunicatewiththeexternalworldandalsotocontroldevices.”Theresearchersdesignedaspecialcapfortheuser.Thisheadcoverpicksupthesignalsfromthescalp(头皮)andsendsthemtoaputer.Theputerinterpretsthesignalsandmandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelptheputerreacttomandsfromthebrain.Prof.Milan,theteamleader,saysscientistskeepimprovingtheputersoftwarethatinterpretsbrainsignalsandturnsthemintosimplemands.“ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:munication,andcontrollingdevices.Oneexampleisthiswheelchair.”Hesayshisteamhassettwogoals.Oneistestingwithrealpatients,soastoprovethatthisisatechnologytheycanbenefitfrom.Andtheotheristoguaranteethattheycanusethetechnologyoverlongperiodsoftime.5.BCIisatechnologythatcan.

A.helptoupdateputersystemsB.linkthehumanbrainwithputersC.helpthedisabledtorecoverD.controlaperson’sthoughts答案B解析细节理解题。根据第一段可知,自20世纪70年代以来,科学家一直寻找途径能将人脑与电脑相连。BCI技术能帮助残疾人向机器发送指令。故此处B项正确。而C项只是部分正确,虽然能帮助残疾人,但却不能帮他们康复。6.HowdidTavellaoperatethewheelchairinthelaboratory?A.Bycontrollinghismuscles.B.Bytalkingtothemachine.C.Bymovinghishand.D.Byusinghismind.答案D解析细节理解题。根据第三段可知Tavella只是思考动他的左右手就能操作这个轮椅。甚至当他观察这台机器时就能进行交流,也能用他的思想指导机器人工作。因此机器人是在人脑的思想支配下进行工作的。故D项正确。7.Theteamwilltestwithrealpatientsto.

A.makeprofitsfromthemB.provethetechnologyusefultothemC.makethemlivelongerD.learnabouttheirphysicalcondition答案B解析推理判断题。根据最后一段第二句“Oneistestingwithrealpatients,soastoprovethatthisisatechnologytheycanbenefitfrom.”可知,在患者身上进行实验是他们团队工作的一个目标,旨在证明这项技术对他们有益。故答案选B项。8.Whichofthefollowingwouldbethebesttitleforthetext?A.Switzerland,theBCIResearchCentreB.NewFindingsaboutHowtheHumanBrainWorksC.BCICouldMeanMoreFreedomfortheDisabledD.RoboticVehiclesCouldHelptoCureBrainInjuries答案C解析主旨大意题。本文为科技说明文,开篇点题。介绍科学家研究的这项新技术BCI,对残疾人大有裨益。故答案为C项。四、七选五阅读理解(2020·全国Ⅰ)AFewTipsforSelfAcceptanceWeallwantit...toacceptandloveourselves.Butattimesitseemstoodifficultandtoofaroutofreach.1Here’sahandfulofwaysthatwillsetyouintherightdirection.

●2Donotfollowthepeoplewhomakeyoufeelnotgoodenough.Whydoyoufollowthem?Areyouhopingthateventuallyyouwillfeelempoweredbecauseyourlifeisbetterthantheirs?Knowthatyourlifeisyourown;youaretheonlyyouinthisworld.

●Forgiveyourselfformistakesthatyouhavemade.Weareoftenashamedofourshortings,ourmistakesandourfailures.3Youwillmakemistakes,timeandtimeagain.Ratherthangettingcaughtupinhowyoucouldhavedonebetter,whynotofferyourselfapassionate(有同情心)response?“Thatdidn’tgoasplanned.But,Itriedmybest.”

●Recognizeallofyourstrengths.Writethemdowninajournal.Begintotrainyourbraintolookatstrengthbeforeweakness.Listallofyouracplishmentsandachievements.Youhaveajob,earnedyourdegree,andyougotoutofbedtoday.4

●Nowthatyou’velistedyourstrengths,listyourimperfections.Turnthepageinyourjournal.Putintowordswhyyoufeelunworthy,whyyoudon’tfeelgoodenough.Now,readthesewordsbacktoyourself.5Turntoapageinyourjournaltoyourlistofstrengthsandachievements.Seehowawesomeyouare?

A.Feelingupsetagain?B.Wheredoyoustart?C.Nothingistoosmalltocelebrate.D.Remember,youareonlyhuman.E.Setanintentionforselfacceptance.F.Stopparingyourselfwithothers.G.Whendoestheparisongamestart?答案1~5BFDCA五、短文改错DearEditor,I’maSenior3student.IoftenquarrelwithmymotheraboutifIcanwatchTVafterschool.MymotherinsiststhatSenior3studentsareheavyburdenedwithschoolworkandwatchTVwilldefinitelyaffectmystudy.ShealsothoughtitisbadformyeyesifIwatchTVtoooften.ButIreallydon’tagreeheropinion.Ithinkit’srelaxedtowatchTVafteradayofhardwork.Anditalsokeepsmeinformedofwhichishappe