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河南省驻马店市2024年初中学业质量监测试题（二）英语试卷答案

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M:Thankyou.I'mverypleasedtobehere.W:Didyoualwayswanttobeanastronaut?M:Notexactly.Myfatherlikesreadingsciencemagazines.WhenIwasyoung,heusedtotakemetoairshows,whichIreallyloved.Ithinkmyinterestinflyingcamefromthat.W:Didyoudoanyotherjobs?M:Istudiedengineeringatcollege,thenIworkedasapilotformanyyears.Itraveledallovertheworld.Ilovedmyjob,butasIgotolder,Iwantedanewchallenge.That'swhenIdecidedtobecomeanastronaut.(Text8)W:Myguesttodayisabouttomakeaspecialtrip.He'llbespendingtendaysonaspacestationasitorbitstheEarth.Grant,welcome.M:Hi.W:Whatareyoumostlookingforwardtoabouttheflight?M:It'skindofhardtosay.ButIguesstheansweristhelaunch.ThefirstexperienceofweightlessnessandseeingtheEarthfromoutsidetheatmospherearegoingtobegreattoo.W:Don'tyoufeelscaredatall?M:IwouldbelyingifIsaidthatI'mnotscaredatall.ButI'vedonemonthsoftrainingwithrealastronautssoIhopeI'muptothechallenge.W:Andwasthetrainingdifficult?M:Yes,especiallythesurvivaltraining.Itwasphysicallychallengingwhenwehadtoprepareforanunexpectedlandingintheseaorinanextremewinterclimate.Muchworsethanthetrainingforweightlessness,althoughthatwasprettytoughtoo.(Text9)W:Hi,Albert.Iknowyouspentseveralmonthslivingontheinternationalspacestationrecently.Whatdoyouthinkwasthemostdifficultpartofyourtrip?M:Actually,nothingwasreallydifficultbecausewedidlotsoftraining.Iknewwe'dbelivinginasmallarea,veryclosetoeachother,andeverybodykneweverythingaboutyou,sothatwasn'taproblem.IsupposesometimesIgotabittiredofhavingtospendtwohoursworkingouteveryday,butthat'sjustsomethingyou'vegottodo.W:Tostopyourmusclesandbonesfromgettingtooweak?M:That'sright.Andyouhavetobecarefulaboutwhatyoueat.Weallchoseourownfoodbeforegoinguptothespacestation,soeachofushadapersonalsupply.Therewasasurprisinglywiderangeoffoodthatyoucouldhaveupthere.Anditdidn'ttakeallthatlongtogetamealready,whichwasgood.W:Didyoueverfeellonelywhenyouwereupthere?M:Lonely?Notatall.Therewerethreeofusplusthehugeteamdownontheground.Wecouldturntothematanytime.(Text10)(M)WelcometotheScienceShow.I'myourhost,David.It'safullmoontonight,soit'sagoodtimetotalkaboutthemoon.Todaywe'regoingtotalkaboutthemoon'sinfluenceonthebehavior-2

分析根据分段函数的表达式进行求解即可判断即可．

解答解：由分段函数的表达式得，f（2）=2×2-1=4-1=3，
f（-2）=（-2）²=4，
故选：D．

点评本题主要考查函数值的计算，根据分段函数的表达式利用直接法是解决本题的关键．

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