2025届七台河市重点中学高考适应性考试英语试卷含解析

2025届七台河市重点中学高考适应性考试英语试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．Totellthetruth,Ididn’texpectthatthereweresomanypeople______theidea.A．supportedB．supportingC．tosupportD．havingsupported2．Howcomeeverykidtodayismeanttobeachampionforsomething_____weknoweverykidcan’tbeastar?A．incaseB．asifC．whenD．unless3．Thediningroomiscleanandtidy,withatablealready______forabigmeal． A.beinglaidB．laying C．tolay D．laid4．Thosesuccessfuldeafdancersthinkthatdancingisanactivity________sightmattersmorethanhearing.A．whenB．whoseC．whichD．where5．Asitseconomyismaturing，China’s_________agreaterroleincriticalissueslikeclimateanddevelopment.A．definingB．assumingC．guaranteeingD．assuring6．Amotherrecognizesthefeelofherchild’sskinwhenblindfolded._________,shecaninstantlyidentifyherbaby’scry.A．SimilarlyB．MeanwhileC．NeverthelessD．Accordingly7．—Iforgottoregisterforthecourses.I’monedaylateandmostoftheclassesarefull.WhatshallIdo?—________Youcan’tdoanythingaboutthat.A．Takeyourtime. B．Pooryou!C．Sowhat? D．Noway!8．Thatwasnotthefirsttimehe____us.Ithinkit'shightimewe____strongactionsagainsthim.A．betrayed,take B．hadbetrayed,tookC．hasbetrayed,took D．hasbetrayed,take9．Don'tgiveuphalfway,andyouwillfindthesceneryismorebeautifulwhenyoureachthedestinationthanwhenyou_______.A．startoff B．havestartedoffC．startedoff D．willstartoff10．—When______leaveforJapan?—When______leaveforJapaniskeptsecret.”A．theywill,willthey B．willthey,theywillC．theywill,theywill D．willthey,willthey11．Thenewmovie________tobeoneofthebiggestmoney-makersofalltime.A．pretends B．agrees C．promises D．declines12．_____annoystheteachermostisthatallthestudentsaretooquietinclass.A．WhatB．ThatC．WhenD．Who13．－Mike,ourteamwillplayagainsttheRocketsthisweekend.Iamsurewewillwin.－________!A．Congratulations B．CheersC．Bestwishes D．Goodluck14．—Hi,Tom!IgotachancetobeanexchangestudentinHarvardUniversity.—_________!Ihadbeenexpectingtostudythere.A．Luckyyou B．HavefunC．Takeiteasy D．Forgetit15．Theaimofthegovernmentistomakeeverycitizenbetteroff,____,tohelpthemliveahappylife．A．asaresult B．forastartC．foronething D．inotherwords16．Iappreciate______theopportunitytoworkinyourcompanytwoyearsago.A．giving B．togive C．beinggiven D．tobegiven17．It’s_______forpeopletoblametrafficjams,thecostofgasandthegreatspeedofmodernlife.A．reasonable B．availableC．accurate D．cautious18．Malenursesaredifficulttohireasmanymenrejectthis______outofthelong-existingdiscrimination．A．oncept B．responsibilityC．identity D．personality19．一"Peter,haveyougotyournewflatfurnished?—Yes.I______someusedfurnitureanditwasarealbargain.A．willbuyB．haveboughtC．boughtD．hadbought20．—Didyoucatchthefirstbusthismorning?—No.Ithadleftthestop_________Igotthere.A.inthetime B．atthetimeC．bythetime D．duringthetime第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）"Joe?Isthatyou?"Thewomanspeakingtomeatthebaseballgamelookedalittlefamiliar."Marci?"Iasked."ItISyou!"shecriedout,smilingbroadly."Gosh,it'sgoodtoseeyouagain!"ItwasgoodtoseeMarci,too.Offandonduringthepastfewdecades,I'vewonderedabouther.Ialmosttriedtosearchforherafewyearsagoaftertalkingtoafriendwhohadindicatedthatthe1990shadbeenprettyroughforMarci.Someetingheratthebaseballgamewasreallyoutofexpectation.Wespentafewminutestalkingaboutourlives—thegoodold,badolddays.ThenMarcigrewquietforamoment.“Youknow,Joe,”shesaid,“I’vealwayswantedtotellyou…how…howsorryIamforthewayItreatedyou.Youmusthavebeenhurtbothphysicallyandmentally.”Iwasalittleembarrassed.Iturnedandlookedather.“It’sOK,”Isaid,“Nobigdeal!”“ButIwassuchajerk.”shecontinued.Yesyouwere,Ithought.“Wewerebothprettyyoung,”Ismiled.“Iknow.”shesaid,“It’sjustalwaysbotheredme,rememberinghowmeanIwastoyou.AndI’vewantedtotellyouthatI’msorry.”Theexpressiononherfacewaswarmandsincere.Andtherewassomethinginhereyes—itlookedalotlikerelief.“OK,”Isaid."Apologyaccepted!”Overcomebythesweetnessofthemoment,Ireachedanarmaroundherandgaveheraquickhug.Justthen,thecrowderuptedwithahugecheer,andMarciandIbothreturnedourattentiontothegame.BythetimeIlookedovertowhereshehadbeen,shewasgone.Butthewarm,wonderfulfeelingofourbriefexchangewasstillthere,andcontinuestothisdaywheneverIthinkaboutit.Itisn'tenoughtojustsay“I’msorry”and"You'reforgiven."Butwhenthosewordsaretrulyfeltandsincerelyexpressed,theycanopenthedoortomiraclesoftheheart.Forgivenesscanbringpeacetoaninjuredsoul—evenyearsafterthefact.Evenatabaseballgame.1、WhatkindoflifedidMarciliveduringthelate20thcenturyaccordingtothepassage?A．Happy.B．Busy.C．Hard.D．Simple.2、Whatdoestheunderlinedword“jerk”inthethirdparagraphmean?A．Ahumorousperson.B．Acruelperson.C．Acarelessperson.D．Anhonestperson.3、WhydidMarcilookinreliefaftertalkingwiththeauthor?A．Becauseherfavoriteteamwonthegame.B．BecauseshelearnedJoewaslivingagoodlife.C．Becauseshemadeanapologytotheauthor.D．Becauseshefoundshewasnotmeananylonger.4、Whatmightbethebesttitleforthepassage?A．ExcitementofABaseballGameB．MentalBurdenofAWomanC．MiraclesofForgivenessD．ReliefofFindingAfriend22．（8分）EssentialsofNutrition---GoodnutritionVSmalnutrition(营养不良)Author:JoelBresslerPrice:$29.99EssentialsofNutritiontouchesimportanthealthtopicssuchas:thepositiveandnegativeaspectsofnutrition;theimportanceofexercise;thenecessityofvitamins,minerals,andwater.Italsoadviseshowdoctorsandeducatorswillimproveourhealthinthefuture.PreservetheBestandConservetheRest---Memoirs(回忆录)ofaUSForestServiceWildlifeBiologistAuthor:HadleyB．RobertsPrice:$19.99PreservetheBestandConservetheRestcoversUSForestServicewildlifebiologistHadleyB．Roberts’half-centurycareerinwildlifeandfishhabitatconservationandpreservation.Itincludeshisaccomplishment,motivesandinfluencesbehindhisactions.Poodle(贵宾犬)Mistress---TheAutobiographicalStoryofLifewithNineToyPoodleAuthor:SandiLatimerPrice:$22.99PoodleMistressisastoryofunconditionalloveanddevotionaboutninedogsthatchangedauthorSandiLatimer’slife.Hermemoir(回忆录)detailsatwenty-seven-yearjourneyassheandherhusbandcaredforandenjoyedthefunnybehaviorsoftheirtoypoodles.AProfessorandCEOTrueStory---AFascinatingJourneytoSuccessAuthor:RichardT.ChengPrice:$13.95InAProfessorandCEOTrueStory,RichardTChengshareshowheovercamegreatoddsandtransformedfromastrugglingimmigranttomillion-dollarCEOandesteemedprofessor.Thisisapowerfulandinspiringstoryofsuccessandsurvival.1、Whichbookisaboutwildlifeprotection?A．PreservetheBestandConservetheRest.B．EssentialsofNutrition.C．PoodleMistress.D．AProfessorandCEOTrueStory.2、WhoprobablyenjoysreadingPoodleMistress?A．Thosewhoarelookingforsuccess.B．Thosewhofightforanimalrights.C．Thosewhoareinterestedinnaturalworld.D．Thosewhoarepetlovers.3、Whatisthecheapestbookmainlyabout?A．Astoryoflifewithpoodles.B．Importanthealthtopics.C．Aninspiringjourneytosuccess.D．Memoirsofawildlifebiologist.23．（8分）Statistically,airtravelisbyfarthesafestwaytotravelandyoucanmakeflyingevensafer,justbyfollowingthesesimplerules．Asyourchancesofbeinginvolvedinanairaccidentarepracticallynil（零）,manyoftheserulesconcernwhatyoushouldandshouldn’tdotomakeyourjourneysaferwhenyouareintheair.●Flyonnon-stoproutesMostaccidentsoccurduringthetakeoff,climb,descentandlandingperiodofaflight,soflyingnon-stopreducesyourexposuretothesecomplicatedprocedures.●ChooselargeraircraftAlthoughsmallaircraftshaveverygoodsafetyrecords,thosewithmorethan30passengerseatsaredesignedtocomply（遵守）withmuchstricterregulationsandaretestedmoreregularlytomakesuretheystillcomply.Also,intheunlikelyeventofaseriousaccident,largeraircraftsprovideabetteropportunityforpassengersurvival.●Payattentiontothepre-flightsafetybriefing（简报）Theinformationmayseemtoberepeated,butit'sworthlisteningtotheflightattendants.Andevenifyouhaveflownbefore,itdoesn'tmeanyouknoweverythingabouttheaircraftyou'reon,suchasthelocationoftheclosestemergencyexit.●StorethingssafelyNeverputveryheavyarticlesintheoverheadstoragebins.Theymayfalloutwhensomeoneopensthebinandcauseinjury.Also,thebinmaynotbeabletoholdheavierobjectsduringtheviolentmovementsofaircausedbythewind.●KeepyourseatbeltfastenedwhileyouareseatedCabincrewalwaystellyouthis,butit'simportant.Youcouldbeseriouslyinjurediftheplanehitstheviolentmovementofairunexpectedly.Alwaysfastenyourseatbeltifyouaretoldto.Thegeneralruleofflyingisthis:Ifyouaretoldtodosomething,doitfirstandaskquestionslater.●LettheflightattendantpouryourhotdrinksFlightattendantsaretrainedtohandlehotdrinkslikecoffeeorteainacrowdedaisleonamovingaircraft,soallowthemtopourthedrinkandhandittoyou.Neverasktotakeacoffeepotfromoneofthem.1、Whatisthegeneralreasonfortheseairsafetyrules?A．Whattodointheeventofacrash.B．Howtoavoidsuddenchange.C．Howtoimprovesafetywhileyouareflying.D．Howtoavoidinjury.2、Theunderlinedphrase"Thegeneralrule"inthefifthrefersto.A．anythingtheflightstafftellyoutodoB．generalsafetyadviceC．walkingaroundtheplaneD．pouringhotdrinks3、WhichofthefollowingisNOTtrue?A．largerplaneshavemoresafetychecksandaresaferinanaccident.B．Take-offsaresaferonnon-stopflightsthanlanding.C．Everyaircraftisdifferent,sothesafetyproceduresmaybedifferent.D．Seatbeltsshouldbeworntoprotectagainstsuddenchange.4、Thebesttitleshouldbe.A．ThesafestwaytotravelB．AirsafetytipsC．Non-stopRoutesD．Howtotakeaplane24．（8分）Littleblacktaxis,oftenrun-downandfallingapartfromdecadesofuse,haveforalongtimebeenamainfeatureofCairo’schaoticurbanlandscape.Buttheirdaysmaybenumbered,thankstoanewtaxireplacementprogrammeaimedatknockingoutolder,potentiallyunsafevehicles.Thegovernment-sponsoredaction,launchedearlierthisyear,allowsdriversoftaxis20yearsorolder,mostlyFiatsandPeugeots,totradetheircarsforshinynewall-whiteonesatgenerousratesoffinancing.Driverscanchoosebetweenfivedifferentlocallymanufacturedcarmodels.Accordingtoofficials,morethan11,000brandnewtaxis,sportingtrademarkcheckedstripesonthesides,havealreadyhitthestreetsofthecapital,andthey’vebeenwelcomedenthusiasticallybypassengers.Manypeoplesaythatnotonlyarethenewtaxismorecomfortable,buttheyalsomakethestreetsofCairofarmorepresentable.Furthermore,taxifareshaveonlyincreasedbyasmallamount.Thepoorconditionofmostblackandwhitetaxisisalmostlegendary.Passengersoftenhavetodealwithwindowsanddoorsthatdonotopenandclose,andheavy,thickpetrolgases.Airconditioningisunheardof.Thenewall-whitetaxis,meanwhile,arecleaner,morefuel-efficientandprovideairconditioningonrequest.Furthermore,allthenewtaxiscomeequippedwithfunctioningfaremeters,whichavoidsargumentsandsometimesfightswithpassengers!Thegovernmenthopestoreplaceallofthecapital’s40,000elderlyblackcabssoon,butnoteveryoneinCairowillbehappytoseethemgo.HotelmanagerIbrahimAl-Toukhysaysthattheoldblackcabswereweakandrun-down,andmaybeevenalittledangerous,buttheywerepartofthecity,andpartofCairo’scharacter.1、Whichofthefollowingscanreplacetheunderlinedword“chaotic”inparagraph1?A．disorderly B．fantastic C．busy D．silent2、WhichofthefollowingstatementsisTRUEaboutthenewtaxis?A．Theyaremuchmorepresentable.B．Theirpassengershavetopaydramaticallymore.C．Theyaremuchmoreenergy-saving.D．Onlyfewofthemprovideairconditioning.3、Whatdoesthepassagemainlytalkabout?A．TheroadtrafficconditionofCairo.B．AtaxirenewalprogrammelaunchedinCairo.C．TheproblemswitholdblackCairotaxis.D．VariousviewsonthenewtaxireplacementinCairo.25．（10分）Englandcontinuestobeoneofthemostpopulartouristdestinationsintheworld.Londoninparticularisoneofthemostvisitedcitiesanddrawspeopleinwithitsappeal,history,andpubs.England’ssmallercities,likeBathandOxford,areequallyasattractivewithalotofcultureandfewercrowds.Liverpool,birthplaceofTheBeatles,hasarichmusicalhistory.Thecountrysidehaswonderfulnaturalbeauty.HerearesometipsontravelinginEngland.Freemuseums—PublicmuseumsofferfreeadmissionineverycitythroughoutEnglandandtheUK.It’sagreatwaytolearnaboutthecountry’smostinfluentialartistsandhistory,andspendarainydaywithoutpayingacent.Bookearly—Bookalltransportationwellinadvance,evenifyoudon’tplantouseit.Farescanbearound￡2withalittleplanning.TheMegabusnotonlyrunsbusesbutalsoprovidestrainsthroughoutEnglandandisthebestchoiceforcheaptravelthroughoutthecountry.Pubfood—EatinginEnglandcanbequiteexpensive,butforgoodcheapandfillingmeals,visitthelocalpubs,whereyoucangetagoodmealforlessthan￡10.Besides,thepubsareagreatwaytomeetpeople!GetaTasteofUKcard—TheTasteoftheUKcardoffersupto50%offatselectedrestaurants.Youdon’tneedtobeanEnglishtogetthecard,andyouneedn’tpaythefirstmonth’smembershipfee,whichisperfectformosttravelers.Takeafreewalkingtour—ManymajorcitiesinEnglandofferfreewalkingtours.Theyusuallylastafewhoursandareagreatwaytoseethecity.1、ComparedwithLondon,Oxfordis.A．moreappealingB．lesscrowdedC．largerinsizeD．richerinhistory2、Whyiseatinginlocalpubssuggested?A．Thepriceoffoodislowthere.B．Thechanceofmeetingstarsishighthere.C．Theserviceisexcellentthere.D．Thediningatmosphereisperfectthere.3、Whatcanbeknownfromthetext?A．AllmuseumsintheUKarefreeofcharge.B．ThebestwaytotravelaroundEnglandisbybus.C．FreewalkingtoursareavailableinonlysomecitiesinEngland.D．HoldersoftheTasteofUKcardcanenjoydiscountsatallrestaurants.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）ItwasaFridaymorningandtwoloversweregoingthroughaheart-searingbreakup.Ashewasbeing1awayfromhislover，hebangedonthefence2them.Shewas3desperate，andwithallher4squeezedthroughthefenceandrushedtohim.Asweetkissfollowed.No，thiswasnotapassionateRomeo-and-Julietlove5.Thecoupleisnot_6human．Heisaram，andsheadoe．TheyhavebeenlivingtogetherintheYunnanWildAnimalParkandhavebeeninlovesincelastyear．Inafencedareatheamorousram，7LongHair，hasfascinatedthedoe，Chunzi．LiuGencheng，hasbeen8thecoupleformorethanayear．“Thetwohave9alotoftimetogethersincetheywerelittle.”ThepairbecamefamousafterthelocalTVchannelreportedtheirrelationship．Thousands，10somecelebrities，lefttheir11．Manygavetheirblessingsbutsome，12animalexperts，leftdoubts．CaiYue，isoneofthefanaticwebfollowersoftheunusualloveaffair.“Ifirstthoughtthismightbeajoke，butwhenIsawthesephotos，theloveintheireyes13myheart.”Thezoomanagervowednottoseparatethem．ButafterLongHairfatheredababylambwiththeonlyfemalesheepinthezoolastmonth，themanager14.“Thebabysheepneedscarefrombothparents,”hesaid．“15thesheepandthedeerarenotabletohavekids，wedecidedtoseparatethem.”Thezoo’splanwastoforma“normalfamily”forLongHair，lettinghimlivewiththefemalesheepandhisbaby16stayingwithChunziallthetime.17，theseparation，waslikeadramaticscenefromalovestory.“LongHairevenhurthisbabyandthefemalesheepwithhishorns．It18us,“Lisaid．”AndChunzihasbeentryingtolickLongHair19thefence."Thezoopromisedtoletthem“livehappilyeverafter”．”We20doanythingtoseparatethem.”Lisaid．1、A．dragged B．pushed C．left D．brought2、A．surrounding B．separating C．dividing D．trapping3、A．disappointedly B．separately C．equally D．surprisingly4、A．strength B．efforts C．power D．energy5、A．stage B．scene C．spot D．place6、A．still B．yet C．ever D．even7、A．knownas B．consideredas C．lookedas D．takenas8、A．takencare B．takencareof C．takingcare D．takingcareof9、A．cost B．paid C．took D．spent10、A．contain B．include C．including D．containing11、A．comments B．praise C．criticize D．words12、A．inspecial B．inpractical C．inrather D．inespecial13、A．touch B．warm C．move D．leave14、A．kepthismind B．gavehismind C．madehismind D．changedhismind15、A．because B．for C．since D．becauseof16、A．otherthan B．instead C．insteadof D．orrather17、A．Still B．But C．However D．Though18、A．surprised B．afraid C．scared D．astonished19、A．pass B．across C．though D．past20、A．can’t B．don’t C．mustn’t D．won’t第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Chinaisthebirthplaceofsilk.Raisingsilkwormsforsilkproduction1．(have)ahistoryofover6,000years.LegendhasitthatthewifeoftheYellowEmperorwashavingteaunderamulberrytree（桑树）2．acocoon（蚕茧）fellintohercup.Asshewatched,thecocoonspunastrongwhitethread.Sheunwoundthestringontoherfinger,3．(realize)thatitcouldbeusedasweavingthread.Thusanindustrywasborn.Shetaughtherpeoplehowtoraisesilkworms,and4．(late)inventedtheloom(织布机).Silkproductionreached5．highlevelduringtheShangDynasty(1600BC—1046BC).Formorethantwothousandyears,theChinesekeptthesecretofsilkto6．(they).Itwasoneofthemostguarded7．(secret)inhistory.Anyonefoundguiltyoftakingsilkwormeggs,cocoons,ormulberryseedswasputtodeath.Silkclotheswerewornbyemperorsandrichpeopleandbecameasymbol8．wealth.Commonpeoplewereprohibitedfromwearingsilk.Withthecreasesoftravelsandtrading,sericulture9．(slow)reachedtheoutsideworldfromAsiatoEurope.Nowmostofsilk10．(produce)inthesouthoftheYangtzeRiverDelta,suchasSuzhou,Hangzhou,Nanjing,andShaoxing.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。删除：把多余的词用斜线(＼)划掉。修改：在错的词下画一横线，并在该词下面写出修改后的词。注意：1、每处错误及其修改均限一词；2、只允许修改10处，多者(从第11处起)不计分。WhenMolly’sfatherwasabouttowork,hisdaughterMolly,aged8,handhimabag、Thefatherwasinhurrysohedidn’tknowwhatwasinside、Whilehavinglunch,hetookoutthecontents:aplasticdinosaur,atinyseashellandthreesmallstone、Thebusyfathersmiled,finishedeating,andsweepingthedeskcleanintothedustbinincludeMolly’sjunk、Thisevening,Mollywantedherbagbackbecauseshehadnotmadeanoteintoit、Iloveyou,Daddy、Thefatherwenttohisofficehurried,carryingthejunkhome、HeaskedMollytotellheraboutthejunk、Itwasturnedoutthateverythinginthebaghadastory、ToMollytheywerenotjunkandtreasures!第二节书面表达（满分25分）29．（25分）假如你叫李平，你的美国笔友Tom来信询问你十一假期过的怎样。请根据表格中的信息给他回信，说明你在十一假期中的活动和理由。活动

理由

休息

学习紧张，缺少锻炼和休息

看望乡下的祖父母

帮助他们做点家务，并给他们谈了身边的新鲜事

和朋友进行短途旅游

欣赏大自然，呼吸新鲜空气

注意：词数100左右。

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、B2、C3、D4、D5、B6、A7、B8、B9、C10、B11、C12、A13、D14、A15、D16、C17、A18、C19、C20、C第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、1、C2、B3、C4、C22、1、A2、D3、C23、Spaceiswhereourfutureis—tripstotheMoon,Marsandbeyond.Mostpeoplewouldthinkthatasidefromcomets(彗星)andstars,thereislittleelseoutthere.But,sinceourspacejourneystartedwehaveleftsomuchtrash（垃圾）therethatscientistsarenowconcernedthatifwedon'tcleanitup,wemayallbeinmortal（致命的）danger.Thefirstpieceofspacejunkwascreatedin1964,whentheAmericansatelliteVanguardIstoppedoperatingandlostitsconnectionwiththegroundcenter.However,sinceitkeptorbitingaroundtheEarthwithoutanyconsequences,scientistsbecameincreasinglycomfortableabandoning（抛弃）thingsthatnolongerservedanyusefulpurposeinspace.Itisestimated（估计）thattherearenowover500,000piecesofman-madetrashorbitingtheEarthatspeedsofupto17,500milesperhour.Thejunkvariesfromtinypiecesofpaintchippedoffrocketstocameras,hugefueltanks,andevenodditemslikethemillion-dollartoolkitthatastronautHeidemarieStefanyshynPiperlostduringaspacewalk.Themajorproblem