Unit 1 Growing Up 同步练习-2022-2023学年高中英语外研版2019选择性必修第二册

选择性必修第二册Unit1同步练习(限时：35分钟)Ⅰ.阅读理解ATheNewYorkBotanicalGardenisagoodplaceforcamps.Science­andnature­themedcampsforkidsinGradesK­8includeoutdoorexplorations,scienceinvestigations,andbehind­the­scenestoursintheGarden's250­acrescenery.EachweektakesfulladvantageoftheGarden'svastplantcollection,state­of­the­arttechnology,anduniquehabitats(栖息地)likethe50­acrenativeforest,wetlands,andNativePlantGarden.WinterBreakCampThescienceandnaturecampsforkidsinGradesK­5willrunconcurrent(并存的)sessionsbyagegroups.Withthehelpoftheinstructorsinseparatespaces,kidswilltakepartinsomeindooractivitiesbasedontheirageandlearninglevel,suchaslearningtomakehandicraftsandgrowplants.Time:February18－21,2021,9am－3pmFee:$240SpringBreakCampTheEverettChildren'sAdventureGardenisagoodplaceforkidsonSpringBreak.Chooseamongseveraldifferentdaycamps­offeringexcitingandeducationalopportunitiestochildrenenteringGradesK­5inSpring2021.Time:April13－17,2021,9am－3pmFee:$300Culinary(烹饪的)andArtCampsWeek­longcampswillteachkidshowtopaintandprepareameal,whichissuretohelpdevelopkids'confidence.Inordertoensureavailabilityforallcampfamilies,thiscampparticipationislimitedtothreeweekspercamper.Time:August3－21,2021，9am－3pmWeekly:$315SummerFieldScienceCampsDoyouhaveateenwholovesspendingtimeoutdoorsandworkinginteams?ChildrenwilllearnmoreabouttheplantsandanimalsintheGardenandgobehindthescenestofindoutaboutfieldresearchhappeningattheGarden.Signupforasingleweekoraseriesofweeks.Time:August3－21，2021，9am－4pmWeekly:$3503­WeekSummerSession:Save10%whenyouregisterforall3weeks.1．WhatcanwelearnabouttheWinterBreakCamp?A．Ithasonlyonesectionatatime.B．Thecampwilllastforawholeweek.C．Allthechildrenstudyatthesameplace.D．Activitieswillbedesignedbykids'grades.2．Whichofthefollowingcampslaststheshortesttime?A．WinterBreakCamp.B．SpringBreakCamp.C．CulinaryandArtCamps.D．SummerFieldScienceCamps.3．HowmuchwillachildpayforthecompletesessionofSummerFieldScienceCamps?A．315dollars. B．350dollars.C．945dollars. D．1，050dollars.BThousandsofsatelliteshavebeenlaunchedintospacebyhumanssincethefirstsatellitewaslaunchedin1957.Thesatellitesservemanyusefulpurposes.Someareanimportantpartofcommunicationsnetworks,likecellphones,TV,andtheInternet.Othersareusedtotrackweatherandclimateinformation,createmapsoftheearth,operatenavigation(导航)systemslikeGPS,andtakephotosoftheearth,thesun,otherplanetsanddeepspace.Rightnow,thereareabout1，000artificialsatellitesorbitingtheearth.TheInternationalSpaceStation(ISS)isalsoakindofsatellite,withroomforpeopletoliveonit.SpaceX,theAmericantechnologycompany,beganlaunchinggroupsofsatellitesin2019andlaunched60satellitesintospaceonJanuary29,2020.SpaceXplanstocreateanetworkof12，000satellitesfirst.Itsaysthatthenetwork,knownasStarlinkwillhelpprovidebetterInternetserviceforremotepartsoftheworld.However,astronomerssaythegrowingnumberofsatellitesorbitingtheearthiscausingaproblem.Satellitesaremadeofmetalthatreflectssunlight.Thismakesthemshowupinthenightskyasbright,slow­movingdots.TheStarlinksatellitestakethreetofiveminutestocrosstheviewingareaofatelescope.Duringthattime,theymaypassdirectlyinfrontoftheobjectanastronomeristryingtolookat,hidingitfromview.Besides,thelightfromthesatellitesissobrightthatitmakesitimpossibletoseetheweakerlightofdistantstarsandplanets.LargegroupsofsatellitesliketheStarlink­knownas“satelliteconstellations(卫星星座)”—giveoffradiosignalsoftheirownandreflectradiowavescomingfromtheearth.Theseextrasignalsinterferewithradiowavescomingfromplacesfurtherawayinthegalaxy.Whileitmightbepossibletobuildsatelliteswithsurfacesthatdon'treflectlight,makingsatellitesthatdon'tinterferewithradiowavesisadifferentstory.Therearenorulesaboutwhocanlaunchasatellite,orhowmanysatellitescanorbittheearthatonetime.TheInternationalAstronomicalUnion(IAU),agroupmadeupofprofessionalastronomersworldwide,wantstoworkwiththecompaniesthatdesignandlaunchsatellitesandthegovernmentsthatmakelawsandregulations.Theysayitisimportanttostudytheimpactofhavingsomanysatellitesandtomakerulestoprotectthenightsky.4．Whatdoesthefirstparagraphmainlytalkabout?A．Humans'ambitiontolaunchsatellites.B．Thevariousfunctionsofartificialsatellites.C．Humans'achievementsinspaceexploration.D．ThedifferencebetweensatellitesandtheISS.5．WhatistheproblemoftheStarlinksatellitesaccordingtotheastronomers?A．Givingofftoomuchlight.B．Movingtooslowlyinspace.C．Badlyaffectingthestudyofspace.D．Alwayshidingthemselvesfromview.6．Whatdoestheauthortrytoconveyinthelastparagraph?A．Thatpeopleshouldn'tabuseouterspace.B．ThattheIAUwillstoplaunchingsatellites.C．Thatastronomersaren'tinfavourofexploringspace.D．Thatthecompaniesshouldworkwiththegovernments.7．Whatisthestructureofthetext?A．①—②③④—⑤ B．①—②③—④—⑤C．①②—③④—⑤ D．①②—③④⑤CLotsofancienttreasureshavebeenuncoveredbyresearchersontheisland,Chrysi,whichwasdevotedtomakingapreciouspurpledye(染料)fromseasnailsthousandsofyearsago.TheresearchersfoundplentyofshellsofseasnailsinseveralsmallbuildingsinthesettlementofMinoans(属于米诺斯文化的克里特人)onChrysi—thoseseasnailsarecalledmurexes,whichhavethepurplesubstance(物质)intheirbodies.Inthelargebuilding,researchersfoundancientworkdesks,stoves,buckets,astonestaircaseandpreciousjewelsandmetals.Thesethingssuggestthatpeopleinthelargebuildingmanagedthesettlement'sproductionofthepurpledyeandthetradewithbuyerswhovisitedtheislandbyship.Thebuyerspaidforthegoodsusingpreciousmetalsandjewelry.ResearchershavestudiedtheMinoans'settlementonChrysisince2008,havingmanydiscoveries,includingtheremainsoflargecarvedstonetanksnearthewaterlineonthebeach.Basedontheirearlierwork,researcherssuspectthatthetankswereusedtofarmtheseasnails,murexes,toincreasetheirnumbersandreducetheworkofharvestingthemfromthesea.Whenmurexesgrewupinthetanks,theywereprobablyusedbytheMinoanstoproducethepurpledye.ResearcherssaytheMinoansonChrysimadethepurpledyefrommurexesabout4，000yearsago.Butsomepeopledon'tbelievethatthepurpledyewasmadefrommurexesonChrysiatthattime.Theystate,“Whydidn'tthoseancientpeopleusecheaperplantstoproducethepurpledye？”Deborahdidn'tthinkso.HetoldLiveScience,“Throughourstudy,cheaperplantsubstitutesdidnotcomearounduntiltheMiddleAges(5AD－15AD).AndthepurpledyeproducedbytheancientMinoanshadmanycharacteristicssimilartothepurplesubstanceinsidemurexes'bodies.”Murexescanmakeasmallamountofthepurplesubstanceinsidetheirbodies,usingitasapoisonousdefenseagainstothercreatures.Ittakesthousandsoftheseasnailstoproduceenoughpurpledyetocolorasingledress.It'sadifficultandsometimesdangeroustask.Therewasdangeranddiscomfortinvolvedinharvestingthesecreatures.Strengthwasrequiredtobreakopentheirshells,andthesmellwasterrible.8.ThediscoveriesinthelargebuildingshowthatChrysi________．A．wasthefirstislandtomakethepurpledyeB．produceddifferentdyesfromplantsC．mighthavearelativelydevelopedeconomyD．witnessedtheMinoans'fightagainstoutsiders9．StonetanksonChrysiwerelikelybuiltto________．A．collectdrinkingwaterB．makemurexesmoreavailableC．killmurexescaughtintheseaD．helpcolortheclothandotherobjects10．WhatdidDeborahtrytoexpressinherwords?A．Peoplecangainthepurpledyefromplants.B．TheMinoansfarmedmurexesmainlytoselltheirmeat.C．SomepeopledoubtthesourceoftheMinoans'purpledye.D．TheMinoansgainedthepurpledyemostpossiblyfrommurexes.11．WhatcanwelearnfromtheMinoans'processofgainingthepurpledye?A．TheMinoanswerenotencouragedtogotosea.B．ThepurpledyemadebyMinoansmightbevaluableatthattime.C．Thetaskofcatchingmurexesontheseacanbefun.D．ThepurpledyemightbeunpopularwithmanyMinoans.DMathanxietyisanannoyingfearofmath,anditaffectstheclassescollegestudentsselectandthecareerstheypursue.Asacognitive(认知的)scientist,IamconcernedthatitpreventsstudentswhootherwisehavetheabilitytosucceedinSTEM(Science,Technology,EngineeringandMathematics)fromdoingso.Mathanxietystartsatayoungageforbothsexes.Myresearchteamfoundthatasearlyasthefirstandsecondgrade,nearlyhalfofstudentsindicatetheyare“moderatelynervous”to“very,verynervous”aboutmath.Aquarterofstudentsattendingfour­yearcollegesexperiencemoderateorhighlevelsofmathanxiety.Andonestudyfoundthat,for11%ofAmericanuniversitystudents,theanxietyissoseverethattheyhavetoseekforcounsel.Sadly,theU．S.BureauofLaborStatisticsindicatesthatemploymentinmath­heavypositionswillescalateby28%by2026.Itismuchfasterthantheaverageforallcareers.However,myownresearchandotherstudiesshowthatwearenotdoingenoughtoaddressmathanxiety.HowdowesolvetheproblemandensureyoungAmericanspursueopportunitiesthatqualifythemforSTEMjobsofthefuture?Wecanworktobringmathtothosewhomightshyawayfromit.Requiringthatallstudentstakecoursesthatpushthemtothinkempirically(以经验为主地)withdata,regardlessofthemajor,isonesuchapproach.EmployersshouldencourageapplicationsfromcollegestudentswithdiverseeducationalinterestsintheirSTEM­relatedinternships(实习).Don'tonlyseekforthecomputersciencemajors.Thismeanspotentiallytakingastudentwhodoesn'tcomewithallthecomputationskillsinhandbutdoeshaveagoodattitudeandwillingnesstolearn.Thentheycanprovideadvancedmathandcomputationaltrainingforthosecollegestudentsaspartofcareerdevelopment.Moreover,weneedtorejectthesocialacceptabilityofbeingbadatmath.Youdohearmanypeopletalkingabout“notbeingamathperson”．Whenwerepeatnegativefeelingslikethattoourselvesandeachother,wefearmathmore.12．WhatmakestheauthorworriedaccordingtoParagraph1?A．ThattherearefewSTEM­relatedmajors.B．Thatthefearofmathwillleadtoseveremathanxiety.C．Thatcollegestudentsfailtoselectproperprofessions.D．Thatstudents'fearofmathpreventstheirsuccessinSTEM.13．Whatdidtheauthor'sresearchteamfind?A．Mathanxietyiscommonatallagelevels.B．Girlstendtoperformbetterinmaththanboys.C．Collegestudentscanovercometheirmathanxiety.D．Mathanxietycanbeclassifiedintodifferentdegrees.14．Whatdoestheunderlinedword“escalate”inParagraph3mean?A．Improve. B．Increase.C．Drop. D．Recover.15．Whatdoestheauthoradviseemployerstodo?A．OfferstudentsfreeSTEM­relatedinternshipsincolleges.B．Assistcollegesinimprovingstudents'computationskills.C．Welcomestudentswithdifferentmajorstoworkforthem.D．Providestudentswithchancestodeveloptheirinterests.Ⅱ.阅读七选五Formanypeople,thecostsassociatedwithadailycommute(通勤)toadistantworksitecanbeannoying.Ifchildrenareinvolved,thentherearetheaddedexpensesofprofessionalchildcarewhiletheparentsareatwork.__16__Someat­homejobsareextensionsofhouseholddutiesalreadybeingperformed,suchaslaundryservices,childcareandfoodpreparation.At­homeparentswithsuitableskillscanoperatetheirowndaycarecentersfortheworkingparents,forinstance.__17__Soitisanidealhome­basedbusinessforexperiencedparents.Someat­homejobscanbemorecreativeinnature,suchasthecreationofspecialty(特色)craftsorfoods.Somepeoplewhoprefertoworkoutoftheirhomeswillspendtheirtimecreatingmarketablecraftorfooditemsduringtheweekandeithersellthemdirectlyonweekendsorsendthemtoestablishedbusinessforretailsale.__18____19__Someworkerscanreceivehisorherassignmentsthroughemail,processthefilesanduploadthefinishedworkbacktothecompanythroughasecureInternetconnection.Telecommutingissometimesanidealsolutionforthosewhoprefertoworkinastandardofficeenvironment.__20__Theyconsiderdoingat­homejobsassatisfyingasmakingthelongdailycommutetotheoffice.A．Competitionforonlinejobscanbesevere.B．Theyoung,inparticular,prefertodojobsathome.C．Childcareservicesareofteningreatdemandthesedays.D．Onesolutiongrowinginpopularityistodojobsathome.E．However,therearepeoplewhoarewillingtodojobsathome.F．Otherat­homejobstodayaregenerallymoretechnicalinnature.G．Meanwhile,manypeoplechoosetomarkettheirhomemadeproductsonline.

选择性必修第二册Unit1同步练习(限时：35分钟)Ⅰ.阅读理解ATheNewYorkBotanicalGardenisagoodplaceforcamps.Science­andnature­themedcampsforkidsinGradesK­8includeoutdoorexplorations,scienceinvestigations,andbehind­the­scenestoursintheGarden's250­acrescenery.EachweektakesfulladvantageoftheGarden'svastplantcollection,state­of­the­arttechnology,anduniquehabitats(栖息地)likethe50­acrenativeforest,wetlands,andNativePlantGarden.WinterBreakCampThescienceandnaturecampsforkidsinGradesK­5willrunconcurrent(并存的)sessionsbyagegroups.Withthehelpoftheinstructorsinseparatespaces,kidswilltakepartinsomeindooractivitiesbasedontheirageandlearninglevel,suchaslearningtomakehandicraftsandgrowplants.Time:February18－21,2021,9am－3pmFee:$240SpringBreakCampTheEverettChildren'sAdventureGardenisagoodplaceforkidsonSpringBreak.Chooseamongseveraldifferentdaycamps­offeringexcitingandeducationalopportunitiestochildrenenteringGradesK­5inSpring2021.Time:April13－17,2021,9am－3pmFee:$300Culinary(烹饪的)andArtCampsWeek­longcampswillteachkidshowtopaintandprepareameal,whichissuretohelpdevelopkids'confidence.Inordertoensureavailabilityforallcampfamilies,thiscampparticipationislimitedtothreeweekspercamper.Time:August3－21,2021，9am－3pmWeekly:$315SummerFieldScienceCampsDoyouhaveateenwholovesspendingtimeoutdoorsandworkinginteams?ChildrenwilllearnmoreabouttheplantsandanimalsintheGardenandgobehindthescenestofindoutaboutfieldresearchhappeningattheGarden.Signupforasingleweekoraseriesofweeks.Time:August3－21，2021，9am－4pmWeekly:$3503­WeekSummerSession:Save10%whenyouregisterforall3weeks.语篇解读：本文是一篇应用文。文章主要介绍了适合孩子们的几个野营活动。1．WhatcanwelearnabouttheWinterBreakCamp?A．Ithasonlyonesectionatatime.B．Thecampwilllastforawholeweek.C．Allthechildrenstudyatthesameplace.D．Activitieswillbedesignedbykids'grades.解析：选D细节理解题。根据WinterBreakCamp中“kidswilltakepartinsomeindooractivitiesbasedontheirageandlearninglevel”可推知答案。2．Whichofthefollowingcampslaststheshortesttime?A．WinterBreakCamp.B．SpringBreakCamp.C．CulinaryandArtCamps.D．SummerFieldScienceCamps.解析：选A细节理解题。根据四个活动中的Time可知，WinterBreakCamp持续时间最短。3．HowmuchwillachildpayforthecompletesessionofSummerFieldScienceCamps?A．315dollars. B．350dollars.C．945dollars. D．1，050dollars.解析：选C数字计算题。根据SummerFieldScienceCamps中的Weekly：D|S350以及3­WeekSummerSession:“Save10%whenyouregisterforall3weeks.”可得出答案为D|S350×3×(1－10%)＝D|S945。BThousandsofsatelliteshavebeenlaunchedintospacebyhumanssincethefirstsatellitewaslaunchedin1957.Thesatellitesservemanyusefulpurposes.Someareanimportantpartofcommunicationsnetworks,likecellphones,TV,andtheInternet.Othersareusedtotrackweatherandclimateinformation,createmapsoftheearth,operatenavigation(导航)systemslikeGPS,andtakephotosoftheearth,thesun,otherplanetsanddeepspace.Rightnow,thereareabout1，000artificialsatellitesorbitingtheearth.TheInternationalSpaceStation(ISS)isalsoakindofsatellite,withroomforpeopletoliveonit.SpaceX,theAmericantechnologycompany,beganlaunchinggroupsofsatellitesin2019andlaunched60satellitesintospaceonJanuary29,2020.SpaceXplanstocreateanetworkof12，000satellitesfirst.Itsaysthatthenetwork,knownasStarlinkwillhelpprovidebetterInternetserviceforremotepartsoftheworld.However,astronomerssaythegrowingnumberofsatellitesorbitingtheearthiscausingaproblem.Satellitesaremadeofmetalthatreflectssunlight.Thismakesthemshowupinthenightskyasbright,slow­movingdots.TheStarlinksatellitestakethreetofiveminutestocrosstheviewingareaofatelescope.Duringthattime,theymaypassdirectlyinfrontoftheobjectanastronomeristryingtolookat,hidingitfromview.Besides,thelightfromthesatellitesissobrightthatitmakesitimpossibletoseetheweakerlightofdistantstarsandplanets.LargegroupsofsatellitesliketheStarlink­knownas“satelliteconstellations(卫星星座)”—giveoffradiosignalsoftheirownandreflectradiowavescomingfromtheearth.Theseextrasignalsinterferewithradiowavescomingfromplacesfurtherawayinthegalaxy.Whileitmightbepossibletobuildsatelliteswithsurfacesthatdon'treflectlight,makingsatellitesthatdon'tinterferewithradiowavesisadifferentstory.Therearenorulesaboutwhocanlaunchasatellite,orhowmanysatellitescanorbittheearthatonetime.TheInternationalAstronomicalUnion(IAU),agroupmadeupofprofessionalastronomersworldwide,wantstoworkwiththecompaniesthatdesignandlaunchsatellitesandthegovernmentsthatmakelawsandregulations.Theysayitisimportanttostudytheimpactofhavingsomanysatellitesandtomakerulestoprotectthenightsky.语篇解读：本文是一篇说明文。文章主要说明了SpaceX计划创造一个由数万颗地球卫星组成的网络，这个网络带来便利的同时也会导致严重的问题。4．Whatdoesthefirstparagraphmainlytalkabout?A．Humans'ambitiontolaunchsatellites.B．Thevariousfunctionsofartificialsatellites.C．Humans'achievementsinspaceexploration.D．ThedifferencebetweensatellitesandtheISS.解析：选B段落大意题。根据第一段“Thesatellitesservemanyusefulpurposes.Some...Others...”可知，本段主要介绍了人造卫星的各种功能。5．WhatistheproblemoftheStarlinksatellitesaccordingtotheastronomers?A．Givingofftoomuchlight.B．Movingtooslowlyinspace.C．Badlyaffectingthestudyofspace.D．Alwayshidingthemselvesfromview.解析：选C细节理解题。根据第三段内容可知，Starlinksatellites带来的问题是影响人类对太空的研究。6．Whatdoestheauthortrytoconveyinthelastparagraph?A．Thatpeopleshouldn'tabuseouterspace.B．ThattheIAUwillstoplaunchingsatellites.C．Thatastronomersaren'tinfavourofexploringspace.D．Thatthecompaniesshouldworkwiththegovernments.解析：选A写作意图题。根据最后一段“itisimportanttostudytheimpactofhavingsomanysatellitesandtomakerulestoprotectthenightsky”可知，人们应该保护太空，即不应该滥用它。7．Whatisthestructureofthetext?A．①—②③④—⑤ B．①—②③—④—⑤C．①②—③④—⑤ D．①②—③④⑤解析：选A篇章结构题。文章第一段讲述了人造卫星的分类和功能，第二至四段讲述了Starlink计划和面临的问题以及此类卫星星座的影响，第五段呼吁人类保护太空资源。CLotsofancienttreasureshavebeenuncoveredbyresearchersontheisland,Chrysi,whichwasdevotedtomakingapreciouspurpledye(染料)fromseasnailsthousandsofyearsago.TheresearchersfoundplentyofshellsofseasnailsinseveralsmallbuildingsinthesettlementofMinoans(属于米诺斯文化的克里特人)onChrysi—thoseseasnailsarecalledmurexes,whichhavethepurplesubstance(物质)intheirbodies.Inthelargebuilding,researchersfoundancientworkdesks,stoves,buckets,astonestaircaseandpreciousjewelsandmetals.Thesethingssuggestthatpeopleinthelargebuildingmanagedthesettlement'sproductionofthepurpledyeandthetradewithbuyerswhovisitedtheislandbyship.Thebuyerspaidforthegoodsusingpreciousmetalsandjewelry.ResearchershavestudiedtheMinoans'settlementonChrysisince2008,havingmanydiscoveries,includingtheremainsoflargecarvedstonetanksnearthewaterlineonthebeach.Basedontheirearlierwork,researcherssuspectthatthetankswereusedtofarmtheseasnails,murexes,toincreasetheirnumbersandreducetheworkofharvestingthemfromthesea.Whenmurexesgrewupinthetanks,theywereprobablyusedbytheMinoanstoproducethepurpledye.ResearcherssaytheMinoansonChrysimadethepurpledyefrommurexesabout4，000yearsago.Butsomepeopledon'tbelievethatthepurpledyewasmadefrommurexesonChrysiatthattime.Theystate,“Whydidn'tthoseancientpeopleusecheaperplantstoproducethepurpledye？”Deborahdidn'tthinkso.HetoldLiveScience,“Throughourstudy,cheaperplantsubstitutesdidnotcomearounduntiltheMiddleAges(5AD－15AD).AndthepurpledyeproducedbytheancientMinoanshadmanycharacteristicssimilartothepurplesubstanceinsidemurexes'bodies.”Murexescanmakeasmallamountofthepurplesubstanceinsidetheirbodies,usingitasapoisonousdefenseagainstothercreatures.Ittakesthousandsoftheseasnailstoproduceenoughpurpledyetocolorasingledress.It'sadifficultandsometimesdangeroustask.Therewasdangeranddiscomfortinvolvedinharvestingthesecreatures.Strengthwasrequiredtobreakopentheirshells,andthesmellwasterrible.语篇解读：本文是一篇说明文。考古学家在一个岛上发现了数千年前岛民们用一种海里的动物来制造紫色染料。8.ThediscoveriesinthelargebuildingshowthatChrysi________．A．wasthefirstislandtomakethepurpledyeB．produceddifferentdyesfromplantsC．mighthavearelativelydevelopedeconomyD．witnessedtheMinoans'fightagainstoutsiders解析：选C推理判断题。由第二段中的“Inthelargebuilding,researchersfoundancientworkdesks...preciousmetalsandjewelry.”可知，Chrysi岛上的经济可能比较繁荣。9．StonetanksonChrysiwerelikelybuiltto________．A．collectdrinkingwaterB．makemurexesmoreavailableC．killmurexescaughtintheseaD．helpcolortheclothandotherobjects解析：选B细节理解题。由第三段中的“thetankswereusedtofarmtheseasnails,murexes,...fromthesea”可知，那些石水箱是用来饲养seasnails和murexes的，目的是避免人们出海捕捞，以让它们更容易被获取。10．WhatdidDeborahtrytoexpressinherwords?A．Peoplecangainthepurpledyefromplants.B．TheMinoansfarmedmurexesmainlytoselltheirmeat.C．SomepeopledoubtthesourceoftheMinoans'purpledye.D．TheMinoansgainedthepurpledyemostpossiblyfrommurexes.解析：选D细节理解题。由第四段中的“Theystate,‘Whydidn'tthoseancientpeopleusecheaperplantstoproducethepurpledye？’”和Deborah的话语可知，Deborah想说的是Chrysi岛上的远古居民Minoans是从murexes中获取紫色染料的。11．WhatcanwelearnfromtheMinoans'processofgainingthepurpledye?A．TheMinoanswerenotencouragedtogotosea.B．ThepurpledyemadebyMinoansmightbevaluableatthattime.C．Thetaskofcatchingmurexesontheseacanbefun.D．ThepurpledyemightbeunpopularwithmanyMinoans.解析：选B推理判断题。由最后一段中的“Ittakesthousands...smellwasterrible.”可知，制作这种紫色染料非常困难，需要付出大量的人力、物力，故可推断，Minoans制作的这种染料在当时可能很珍贵。DMathanxietyisanannoyingfearofmath,anditaffectstheclassescollegestudentsselectandthecareerstheypursue.Asacognitive(认知的)scientist,IamconcernedthatitpreventsstudentswhootherwisehavetheabilitytosucceedinSTEM(Science,Technology,EngineeringandMathematics)fromdoingso.Mathanxietystartsatayoungageforbothsexes.Myresearchteamfoundthatasearlyasthefirstandsecondgrade,nearlyhalfofstudentsindicatetheyare“moderatelynervous”to“very,verynervous”aboutmath.Aquarterofstudentsattendingfour­yearcollegesexperiencemoderateorhighlevelsofmathanxiety.Andonestudyfoundthat,for11%ofAmericanuniversitystudents,theanxietyissoseverethattheyhavetoseekforcounsel.Sadly,theU．S.BureauofLaborStatisticsindicatesthatemploymentinmath­heavypositionswillescalateby28%by2026.Itismuchfasterthantheaverageforallcareers.However,myownresearchandotherstudiesshowthatwearenotdoingenoughtoaddressmathanxiety.HowdowesolvetheproblemandensureyoungAmericanspursueopportunitiesthatqualifythemforSTEMjobsofthefuture?Wecanworktobringmathtothosewhomightshyawayfromit.Requiringthatallstudentstakecoursesthatpushthemtothinkempirically(以经验为主地)withdata,regardlessofthemajor,isonesuchapproach.EmployersshouldencourageapplicationsfromcollegestudentswithdiverseeducationalinterestsintheirSTEM­relatedinternships(实习).Don'tonlyseekforthecomputersciencemajors.Thismeanspotentiallytakingastudentwhodoesn'tcomewithallthecomputationskillsinhandbutdoeshaveagoodattitudeandwillingnesstolearn.Thentheycanprovideadvancedmathandcomputationaltrainingforthosecollegestudentsaspartofcareerdevelopment.Moreover,weneedtorejectthesocialacceptabilityofbeingbadatmath.Youdohearmanypeopletalkingabout“notbeingamathperson”．Whenwerepeatnegativefeelingslikethattoourselvesandeachother,wefearmathmore.语篇解读：本文是一篇议论文。文章论述了美国学生的数学恐惧心理会影响他们以后职业的选择，并介绍了消除数学恐惧的方法。12．WhatmakestheauthorworriedaccordingtoParagraph1?A．ThattherearefewSTEM­relatedmajors.B．Thatthefearofmathwillleadtoseveremathanxiety.C．Thatcollegestudentsfailtoselectproperprofessions.D．Thatstudents'fearofmathpreventstheirsuccessinSTEM.解析：选D细节理解题。根据第一段的“...Iamconcernedthatitpreventsstudents...fromdoingso.”可知，数学恐惧心理会妨碍他们在STEM领域的成功。13．Whatdidtheauthor'sresearchteamfind?A．Mathanxietyiscommonatallagelevels.B．Girlstendtoperformbetterinmaththanboys.C．Collegestudentscanovercometheirmathanxiety.D．Mathanxietycanbeclassif