2019年中考英语阅读理解专项练习（带答案）

2019年中考英语阅读理解专项练习

（名师精选试题+专项练习，值得下载打印练习）

第一节阅读理解。

根据短文内容，从每题所给的A、B、C、D四个选项中选出最佳答案。

A

Artificialintelligence（AI,人工智能）canhelpusmakephonecalls.Itcanguideustowherewewantto

go.Itcanplaygames.Andnow,AIcandoevenmorethings.

ResearchersfromMicrosofthavecreatedthefirstmachinetranslationsystemthatcantranslatenews

articlesfromChinesetoEnglish.

Theresearcherstestedthesystembyaskingittotranslatehundredsofsentencestakenfromnewsstories.

Then,languageexpertscomparedtheresultstothetranslationthatweredonebyhumans.Theexpertssaid

thatthesystem'stranslationswereasgoodasthehumantranslations.

Expertsusedseveralmethodstoimprovethesystem'stranslationabilities."Muchofourresearchis

reallylearnedfromhowwehumansdothings,“leadresearcherLiuTieyansaid.

Onemethodiscalledduallearning（对彳禺学习）.Inthismethod,thesystemtranslateseverysentence

fromChinesetoEnglish,aswellastranslatesthesentencesbackfromEnglishintoChinese.Thisway,the

systemcanimproveitselfandlearnfromitsownmistakes.Thisissimilartowhathumansdotomakesure

theirtranslationsareexact.

Anothermethodmakesuseofdeliberationnetworks（推高支网络）.Theresearcherstaughtthesystemto

repeattheprocessoftranslatingthesamesentenceoverandover.Gradually,thesystemcanimprovethe

qualityofitstranslations.Thisissimilartohowpeoplecorrecttheirownwritingbygoingthroughitagain

andagain.

（）1.Microsoftcreatedasystemthatcan.

A.makephonecalls

B.givepeopledirections

C.playgameswithpeople

D.translatenewsarticles

（）2.Whatdidtheexpertssayaboutthesystem'stranslations?

A.Theywerenotexact.

B.Theywereasgoodashumantranslations.

C.Theywerebetterthanhumantranslations.

D.It'shardtotellwhetherthetranslationswerecorrect.

)3.Duallearningtrainsthesystemtotranslate.

A.morequickly

B.differentsentences

C.moreexactly

D.thesamesentencerepeatedly

)4.Theunderlinedword"it"inthelastparagraphrefersto.

A.duallearning

B.theprocess

C.thesystem

D.people'sownwriting

)5.Thepassagewantstotellus.

A.whatartificialintelligencecandoforus

B.howsentencesaretranslatedfromChinesetoEnglish

C.howthemachinetranslationsystemwasdeveloped

D.whyMicrosoftcreatedamachinetranslationsystem

Teenagersareknownforbeingcreativeandfullofnewideas.Let'shavealookattheseteenageinventions

thatmightchangetheworld.

Bananaleavesusuallygobadintwoorthreedays.TenthHadith,ateenagerfrom

India,usedUVtomaketheleavesstayfreshforayear.Tenththinksthatoneday

theleaveswillbeusedformakingplates,cupsandotherthings.

DavidCohen,anAmericanteenager,builtanearthworm(虫k蚓)robot.Itisabletogo

intothesmallestplaces,wherehumansordogscan'tgo.Itwillbeusedforfinding

peopleinafireoranearthquake.

RemyaJose,a14-year-oldfromIndia,foundittiringandboringtohandwash

clothesinthenearbyriver.Shereusedsomebicyclepartsandcreatedawashing

machinethatsavestime,energyandkeepspeoplefitatthesametime.

KennethShinozuku,a15-year-oldfromNewYork,noticedthathisgrandfatherwhogot

Alzheimer7sdisease(老年痴呆)wouldoftenleavehomeandgetlost.Soheinventedthesenson

wearablesensors(感应器)tohelppeoplefindtheirfamilymemberslikehisgrandfather.

()1.Whatisthepassagemainlyabout?

A.Popularads

B.Usefulmachines

C.Strangepictures.

D.Teenageinventions

()2.TheearthwormrobotbyDavidCohencan.

A.makethingsstayfresh

B.helppeoplewashclothes

C.gointothesmallestplaces

D.takecareoftheoldpeople

()3.WhichofthefollowingisTRUE

A.Platesandcupsaremadeoffreshbananaleaves.

B.Remya'swashingmachinecanalsokeeppeoplefit.

C.DavidCohenisamiddleschoolstudentfromIndia.

D.Kenneth*swearablesensorswillkeepoldpeopleathome.

C

Technologyiseverywhere.Weseeitanyplacewegoand,infact,almostallofuscarrysomepieceof

technologywithuseverytimeweleavethehouse.WhatIalwaysforget,though,isjusthowusefuland

powerfultechnologycanbewhenwewanttohelpothers

Thereisnotasingleroominmyhousethatdoesnothavesomeelectronicdevices(设备)lyingaroundinit.

WheneverIamathome,Iamalmostalwaysusingatleastoneelectronicdevice.Ifyouwalkedintomy

livingroomonanygivenday,youwouldfindthat,first,Ihavethetelevisionon.Atthesametime,

Iusuallyhavemylaptoprestingonmyknee,orIwillbeusingmymobilephone,Evenwheni'mnot

athomeIamalwaysusingmyphone,andatworkorincafes,Isitdownandconnecttothelocal

wirelessnetworkonmyopic.

ImustsaythatIwastealotoftimeonthecomputerandthetimeIspendonitcouldbemuchbetterspentifI

weretotakeupalittleonlinevolunteering

Thetechnologywecarryabouteverywherecanhaveagreatpowertodogoodfortheworldandtohelp

othersandrecentlyIdiscoveredjusthowmuchonlinevolunteeringthereistodointheworld.Fromusing

yourlanguageskillstodotranslations,todevelopingandmanagingprojectsandhelpingwithITwork,

thereissomuchthatsomanypeoplecandotohelppeopleintheirowncountriesandacrosstheworld.The

UnitedNations,infact,hasahugepagewith”VolunteersRecruited”onitswebsite.

Thisworkcansupportthepoorandhelpcharitieswhocannotpayforstaff.Manyorganizationsonlyrequire

youtoworkanhouraweek-someevenless.Andthesupportprovidedbyonlinevolunteerscanreallyhelp

makeadifferencetothoseinneed.

()1.FromParagraph2,wecanknowthatthewriter

A.usestechnologyalotB.worksinacafe

C.isacomputerengineerD.likesmodernmusic

()2.TheunderlinedwordRecruitedHinParagraph4means"____2

A.OrderedB.WantedC.VisitedD.Warned

()3.Inthewritersopinion,peopleshouldspendmoretimewithtechnology.

A.workingoncomputerprogramsB.keepingtheInternetsafe

C.inventingelectronicproductsD.helpingpeopleinneed

()4.Whatcanbethebesttitleforthepassage?

A.WebsiteDesignB.InternetOrganizations

C.OnlineVolunteeringD.OnlineTranslation

D

Doyoufinditdifficulttoputdownyourmobilephone?

Ifyes,you'renotalone.Thesedays,manypeoplearefacingthestressintheuseofmobilephones.They

reachfortheirmobilephoneswhentheywakeupinthemorning,andkeepcheckingtheirsocialmediaapps

togetthelatestupdates(更新).

AreportfromGoogleshowsthat70percentofpeopledon'twanttospendmuchtimeontheirphones.

ThisiswhyGoogleintroducedanappcalledDashboardforthenewAndroidoperatingsystem(安卓操作系

统).Thisnewappincludesfunctions(功能)thathelpusersmanagethetime.Forexample,userscanseehow

manytimesthey'veunlockedtheirphone,howmanytimesthey'vecheckedtheirsocialmediaapps,andhow

muchtimetheyspendoneachappeveryday.

Oncetheusersseethisinformation,theyllbeabletomakesomechanges.WiththeAppTimer(计时)

function,userscansetatimelimitfbrhowlongtheycanuseeachappforeveryday.Afterthey'vehitthe

limit,theywon'tbeabletousetheappuntilthenextday.Andwithanotherfunction,theappgetsincoming

callssilentwhentheuserputsthephonefacedown.

Ifpeopletrulywanttomakefulluseoftheirfreetimeinsteadoflosinghoursontheirphones,thesenew

functionsarejustonewayofdoingthat.

Afterall,whoneedstouseanapptostopyoufromusingotherapps?Theeasiestanswerwouldbejust

touseyourwillpower.

()1.Wheredoestheusers*stresscomefrom?

A.Toomanyupdatesoftheapps.

B.Toomanyfunctionsoftheapps.

C.Toomuchinformationtheyreceive.

D.Toomuchtimetheyspendonthephone.

()2.WhichofthefollowingsisNOTincludedinDashboard'sfunctions?

A.Itstopstheusersfromusingtheirwillpower.

B.Itcheckshowmuchtimetheusersspendonapps.

C.Itlistshowmanytimestheusershaveunlockedthephone.

D.Itshowshowmanytimestheusershavecheckedsocialmediaapps.

()3.Whatdoestheunderlinedword“limit”inParagraph4mean?

A.目的B.标准

C.许可D.限制

()4.WhatdoesthewriterthinkofDashboard?

A.Itsdesignisperfect.

B.Itmaybehelpfultosomepeople.

C.Itneedsmorefunctions.

D.Ithastoomanyfunctions.

E

Shynesscanbeanunhappyfeeling.Butthegoodnewsis,you'renotalone.Scientistssaythatmorethan40

percentofteenagersandadultsconsiderthemselvesshy.Shynessisfeelingalittlenervousorasifyouwant

tohidewhenyou'rearoundotherpeopleorinanewsituation.

___Scientistssaysuchthingsasgenetics(遗传基因)，lifeexperiences,andenvironmentcaninfluence

whetherapersonisshy.Forexample,insomefamilies,everybodyseemstobeshy.

Whathappensifyouareshy?Well,beingshymaycauseyoutoavoidormissopportunitiesyouwould

enjoy.

Howdopeopleovercome(克月艮)shyness?ThisiswhatGilberttellsus."WhenIstartedofftryingtogetover

beingshy,Idecidedtodolittlestepsatatime,includingpracticingsmilingandsayinghitopeople.Andit

workedfbrme.”

Butshynessisnotthekindofthingthatmostpeoplecangetoverovernight.Overcomingshynesstaketime

andneedspractice.

Herearesometipsgivenbyscientists.

Thinkofwhattotalkaboutbeforeyouleavehome.Preparethingstotalkaboutbeforeyou'reinasocial

situation.Forexample,ifyouknowyourclassmatesareinterestedinanupcomingevent,learnaboutitso

youcanjoinintheconversations.

Letpeopleknowyou'reshy.Ifyou'reshy,justshowit.Insteadoflettingpeopleguess,tellthemthetruth.

Explainthatyouareshyandfeelnervousbutenjoytalkingtopeople.

Makethingseasyfbrtheotherperson.Remember,you'renottheonlyshypersonaround.Dowhatyouthink

mighthelpothersfeelgood-forexample,sayhelloorsmile.

Pickonesocialskilltopracticeatatime.Startsimply.Forexample,smileorbethefirstpersontosayhi.

Chooseskillsyoufeelcomfortableenoughwithtopracticeforaday,aweek,amonth,orevenayear.

()1.WhichofthefollowingcanbeputintheblankinParagraph2?

A.Whatisshyness?

B.Whatmakespeopleshy?

C.Canshynessbegoodforus?

D.Canweovercomeshyness?

()2.TheexampleofGilbertinParagraph4isgivento.

A.showhowpeopleovercomeshyness

B.introduceashygirlcalledGilbert

C.telltherighttimetopracticesmiling

D.explainthestepsofovercomingshyness

()3.Whatdoestheunderlinedword"overnight"inParagraph5mostprobablymean?

A.Correctly.

B.Suddenly.

C.Slowly.

D.Finally.

()4.Whichofthefollowingistherightwaytoovercomeshyness?

A.Don'tletothersknowthatyouareshy.

B.Waitforotherstosayhellotoyoufirst.

C.Chooseseveralskillstopracticeatatime.

D.Getreadybeforeyoujoininasocialsituation.

PossibleEarth-LikePlanetNextDoor

Scientistssaytheydiscoveredanearth-likeplanetoutsideoursolarsystem(太阳系).Itisaplanetthat

couldsupportlife.

Thisplanetisjust4.2lightyearsawayfromus.Itissoclosethatspacescientistshaveconsidereditasa

nextdoorneighbor.Theysayitcouldbereachedbyanunmannedspaceshipbeforetheendofthe

century—intimefbrpeoplealivetodaytoseeit.

Aninternationalteamofscientistsfoundtheplanetmovingaroundthestarcalled"ProximaCentauri”.

TheresultcameoutlastmonthfromthescientificmagazineNature.

Scientistshavelongthoughtthataplanetwithwaterisimportantforlife.Andithastobeneithertoohot

nortoocold.Thenewly-discoveredplanetisalittlelargerthanearth.ScientistshavenameditProximaB.It

movesarounditssun,ProximalCentralonceevery11days.

Americanscientistshavebeenusinginstrumentsfbryearstolookforearth-likeplanets.In2013,

scientists*bestguesswasthatthereareaboutonebillion(l,000million)€tearths^^inspace.

AlanBossisthechairmanofagroupfbrouterspaceresearch.HesaidthatProximaBnotonly

conArms(确认)thediscoveryofaplanet,butalsoincreasesthenumberofotherpossible“earths“greatly.

Bosssaiditispossible,evenlikely,thatmoststarshaveatleastoneearth-likeplanet,whichhe

considerssurprising.

Sofromtheearlynumberofabillion,thisnewresearchsuggeststheremaybeasmanypossible

earth-likeplanetsastherearestarsintheGalaxy(银河系).Thatis,anywherefrom250billionto500

billion"earths”.

Thismakesthepossibilityoflivingthingsincreasinglylikely.Bosssaidhebelieveshumanbeingswill

beabletoshowthatthereislifeinplacesbesidesearthinhislifetime.UIam65,“hesaid,“butIexpectto

stillbealivewhenithappens.^^

()1.WhenwillitbepossibleforanunmannedspaceshiptoreachProximalB?

A.Inabouteightyyears.

B.Inabout4.2years.

C.Inaboutelevenday.

D.Inaboutonebillionyears.

()2.Inthefourthparagraph,thewriterthinksthatisnecessaryforlife.

A.waterB.light

C.airD.wind

（）3.Whatdoestheunderlinedword"This"standforinthelastparagraph?

A.Scientistshavediscoveredanearth-likeplanetlastmonth.

B.Therearefarmoreearth-likeplanetsthanpeoplethought.

C.ProximalBisnotfarfromearthandisjustlikeourneighbor.

D.TheGalaxywillbetheonlyplaceforlivingthingstolivein.

（）4.WhatdoesAlanBossmeanbysaying“butIexpecttostillbealivewhenithappens”?

A.Hishealthisingoodstateandhe'ssurehewilllivealonglife.

B.Scienceisdevelopingmuchfasterthaneverinrecentyears.

C.Scientistsmaysoonfindfactthatthere'slifeonotherplanets.

D.Americaisfaraheadofothercountriesinspaceresearch.

G

Beautysleepisarealthing,researcheshaveshownthatpeoplewhohaveenoughsleeplookmoreattractive

（有魅力的）toothers.

Afewbadnightsisenoughtomakeapersonlook"especially"moreugly,theirsleepexperiments

show.

Theresearchersasked25universitystudentstojoinintheirsleepexperiment.Theywereaskedtogeta

goodnight'ssleepfortwonights.

Aweeklater,theywereaskedtosleepforonlyfourhourseverynightfortwonightsinarow.

Theresearcherstookmake-upfree（素颜）photosofthevolunteersafterboththegoodandthebadsleep.

Next,theyasked122strangerstohavealookatthephotosandjudge（评价）themonattractiveness,

health,andsleepiness,aswellasaskingthem:"Howmuchwouldyouliketomakefriendswiththispersonin

thepicture?"

Thestrangersweregoodatjudgingifthepersontheywerelookingatwastired,and,iftheyweresleepy,

theirattractivenessscorewaslow.

Thestrangersalsosaidtheywouldn'twanttosocializewiththetiredstudents.Theresearcherssaythisis

naturalforpeople.Anunhealthy-lookingfacemakespeoplerunaway.Inotherwords,peopledon'twantto

hangaroundwithpeoplewhomightbeill.

Dr.Brewer,anexpertattheUniversityofLiverpoolsaid'Judgementofattractivenessisoften

unconscious（无意识的），hutwealldoit,andweareabletojudgeonevensomethingsmalllikewhether

someonelookstiredorunhealthy.Thisstudyisagoodreminderofhowimportantsleepistous.”

()1.Whendidtheresearcherstakemake-upfreephotos?

A.Aftertwonightsgoodsleep.

B.Aftertwonightsbadsleep.

C.Beforetheexperiment.

D.Afterbothtwonightsgoodsleepandtwonights1hadsleep.

()2.Theresearchersaskedthestrangerstodothefollowingexcept.

A.tellingwholookedhealthier

B.tellingwhodidn'thavemanyfriends

C.tellingwhomissedalotofsleep

D.tellingwhowasattractive

()3.Whatkindoffriendsdidthestrangersliketomake?

A.Thepeoplewhoweretired.

B.Thepeoplewhoweresleepy.

C.Thepeoplewhowereunhealthy.

D.Thepeoplewhowereattractiveandenergetic.

()4.Whatdoestheunderlinedword"socialize"meaninChinese?

A.合伙

B.玩耍

C.交往

D.共事

()5.Accordingtothepassage,whichofthefollowingisthebesttitle?

A.Beautysleep,Moreattractive

B.Moresleep,MoreFriends

C.Lesssleep,Fewerfriends

D.Noattractiveness,Nofriends

H

Imaginehavingasimpleapp(应用程序)thatworkslikethis:Whenyouneedhelp,justopentheapp,

touchthe“notOK“buttonandatextmessagewillbesenttofivepreselected(预先选定的)people,along

withalocation(位置)toshowwhereyouare.Themessagereads,“Hey,PmnotOK.Pleasecallme,

textme,orcometofindme.”

USteenagersHannahLucas,15,andherbrotherCharlie,13,havecreatedanappcallednotOK.People

justneedtopay$1.99(12.5yuan)eachmonthtouseit.

Hannahwasinspired(启发)tocreatetheappduringadarktimeinherlifelastyear.Shesufferedfroma

diseasethatcausedhertopassoutatschool.Otherkidssometimesbullied(欺凌)heraboutthis.Shefeltsad

andwantedtofindanappthatwouldallowhertogethelpwhenshewasn*tfeelingOK.

SheaskedherbrotherCharlie,whosenicknameis"TechSupport”,tofindsuchanapp.Whenthey

couldn'tfindone,theydecidedtocreateonethemselves.

Theycameupwithsomedesignsfortheappfirst.Chariletookaprogrammingclasslastsummerand

builtawebsitefortheapp.Hannahalsosharedherideainhersummerbusinessclass.Someappdevelopers

showedinterestanddecidedtohelpher.Atlast,theappcameoutintheUSandCanadaonJanuary31.

Hannahishappythatherappishelpingothers.ctItmakeseverythingIwentthroughlastyearworthit,“

shesaid.

()1.Whowillknowyou'reintroublewhenyoutouchthe"notOK“button?

A.Fivepreselectedpeople.

B.Fivefamilymembers.

C.Fiveappdevelopers.

D.Fiveclosefriends.

()2.Whatdotheunderlinedwords“textme“inParagraphOneprobablymean?

A.Sendmeareport.

B.Sendmeanemail.

C.Sendmeamessage.

D.Sendmeanexam.

()3.Themainpurposeofinventingtheappistoallowpeople.

A.tobuildawebsite

B.totakeclasses

C.toearnmoney

D.toaskforhelp

()4.Therightorderofthefollowingstatementsabouttheinventionoftheappis.

a.Hannahsufferedfromadiseaselastyear.

b.Charlietookaprogrammingclasslastsummer.

c.TheappcameoutintheUSandCanadainJanuary.

d.HannahandCharliefailedtofindsuchausefulapp.

A.c,d,a,bB.c,d,b,a

C.a,d,b,cD.a,d,c,b

()5.Thebestwordstodescribetheappare.

A.simpleandhelpful

B.pleasantanddangerous

C.expensiveandcreative

D.interestingandpreselected

I

Isthereanimportantexamrightaroundthecomer?Youmightbestartingtofear,thinkingthatthere1s

nowayforyoutogetagoodgradebecauseofthelittletimelefttostudy.Thisissomethingallstudentsmay

worryabout.Butyoushouldacceptthefactthatyouhavetotakethe

examnomatterhowmuchyouwanttoavoidit.

Thankfully,thereareseveralwaystohelpyougetatleastapassinggrade.Youmayhaveatry.

Getyourselftogether.

Thismightsoundlikesillyadvice,butit'sactuallythemostimportant.Whenyoufear,youmaylose

controloveryourthoughtsandactionsEvenifyoutrytostudy,perhapsyouwon'tgetanythinginyourhead.

Enjoyenoughsleep.

Itsunbelievablemanystudentshavelittlesleepeachnight.That'snotsomethingtobeproudespecially

ifyou'resleepingsolittleandstillfailingtodoallthethingsSleepisn'tfortheweak,butforthewise.Your

brainneedsenoughrest.Afteragoodnight'ssleep,you'llperformmuchbetterinthemorning.

Don'tfear.

Oncethetestpaperisinfrontofyoudon'tbeafraid.Takeadeepbreathandstarttheexamwith

confidence(信心).Justlikewhenyouwerereviewing,putawaytheproblemsyou'rehavingdifficultyinand

comebacktothemlater.Ifyouhavetimeleft,goovereverythingtomakesureyouhaven'tmadeany

carelessmistakes.

()1.Inthewritersopinion,wheneverthere'sanimportantexam,.

A.studentsmightexperienceaperiodoffear

B.studentswillhavelittletimetoworry

C.studentsshouldtryeverythingpossibletoavoidit

D.studentshavetoaskteachersfbrmorehelp

()2.Thewriterdescribes"getyourselftogether"assillyadvicebecause.

A.itwon'tinfluenceyourthoughts

B.itisoneofthecommonsenses

C.itisnotthemostimportantsuggestion

D.itwon'thelpyougetanythinginyourhead

()3.Enoughsleepbeforeanimportantexamis.

A.theprideoftheweak

B.notsomethingtobeproudof

C.notnecessaryforthewise

D.awaytoavoidfailinginexams

()4.Whenyoumeetwithdifficultproblemsintheexam,youcan.

A.givethemupandtakeadeepbreath

B.thinkhardandreviewthemonceagain

C.putthemawayfirstandcomebacklater

D.justtrustyourselfandlookthroughthepaper

()5.Accordingtothepassage,youmaygetatleastthepassinggradeif.

A.youfearnothing

B.youfollowthewriter'sadvice

C.theproblemsarenotdifficult

D.thepreparationtimelastslonger

J

TodayisDecember15,2030.InfluencedbythelaunchofthefirstmannedmissiontoMarsnextmonth,

youwillmostlikelygetagiftcardforaspacetrip.

Theinterestintrips,100kmabovethesurfaceoftheEarth,hasgrownsteadilysincesuchatripbegan.

However,themarkethasgrownmuchlargerthisyearsincetheofficialannouncementoftheMarsmission.

Morelow-costspace-lineshaveenteredthemarketandyoucannowfindflightsforsuchatripforaslowas

$3,495.Itsveryreasonable.

Spacetourism(方正游业；观光业)isoneofthemarketsthathavedevelopedfastduringthelastdecade,

withtheopeningoftheStarbrightHotelonthemoonaswellastheloworbitalhotelsthatstartedaccepting

guests.However,accommodationinspaceisstillexpensivefortheaveragehousehold,sothesuborbital(亚

轨道的)flightswiththirty-minuteweightlessnessduringthethree-hourflightwillforsometimebethemost

populartrip.

However,thespace-linesmightinthefuturefacefiercecompetitionbetweenspaceelevators(太空升降

舱)，liketheonethatisprojectedtostartconstructionwithintwoyears.Onceitisfullyfunctional,itwillstart

toshipcargotospace.Butitwillacceptpassengersassoonaspossibletogetbackthelargeinvestment.

Eveniftheelevatorbecomessuccessful,itwilltakeseveralyearsbeforetherearemoreelevatorsinthe

worldtogetinthecompetitionforspacetrafficwiththespace-lines.

Thosewhoarelookingforalittlebitofadventureandhaveextramoneytospendmaywanttoconsider

asuborbitalflightinspace.Whileasuborbitalflightmaynotbethespacemissionthatyouhavealways

dreamedof,itwillgiveyoutherareopportunitytoseewhatourplanetlookslikeinahigh-altitudeflight

outsideouratmosphere.Sobeforeyouenjoyatripbyelevatortospace,enjoyasuborbitalflightfirst.

()1.FromParagraph1,whatwillhappeninJanuary,2031?

A.AgiftcardwillbetakentoMars.

B.Marswillbeexploredforthefirsttime.

C.ManwillgotoMarsforthefirsttime.

D.Anaffordablespacetripwillcometrue.

()2.Theunderlined“average“canmostprobablybereplacedby""inthispassage.

A.commonB.high-income

C.low-costD.low-income

()3.Whatisthespaceelevator'spurposeinacceptingpassengersassoonaspossible?

A.Toshipcargotospace.

B.Togetinthecompetitionbetweenspace-lines.

C.Tostarttheconstructionofmorespaceelevators.

D.Togetbackthelargeinvestment.

()4.WhichofthefollowingisNOTTRUEaccordingtothepassage?

A.Spacetourismhasdevelopedfastduringthelasttenyears.

B.Asuborbitalfightmaybethespacemissionthatyouhavedreamedof.

C.Thesuborbitalflightswillbethemostpopulartripfbrsometime.

D.Eventhoughtheelevatorbecomessuccessful,westillwaitforafewyearstoseemoreelevators

comeout.

()5.Wecanknowfromthepassagethat.

A.theloworbitalhotelshaveopenedsinceaspacetripbegan

B.withintwoyears,spaceelevatorswillbegintoshipcargoandpeopletospace

C.duringthesuborbitalfights,youwillexperience30minutesweightlessness

D.ifyouwanttomeetyourcuriosity,youmaytryasuborbitalfight

There'smuchtoseeunderthesea,butyouneedtorememberthatlightbehavesdifferentlyinwaterthan

inair.Theobjectsappearclosertoyouthantheyexactlyare.Youmightfindyourselfreachingoutoftotouch

somethingandcompletelymissingit.

Objectsunderwaterwillappearlargerthantheywouldonthesurface,too.Becarefulnottotellany

storiesaboutthebigfishthatgotaway.Thatfishmightnotbesobigafterall!Ifsjustbecausesometimes

thingscanseemtobeasmuchasabout33percentbiggerinwater!

What'smore,indeeperwater,colorsjustdon'tseemasbright.Infact,itlooksasifsomecolorsare

missing.Rememberthecolorofanobjectresultsfromthewavelengths(波长)oflightthatarereflected(反射)

fromitssurface.Andlightistakeninasitmovesdownthroughthewater.

Swimmerswearwetsuitstokeepwarmunderwater.Let'stakeabrightred,yellow,andbluewetsuitas

anexample.Thesecolorsarehardtomissonthesurfaceofwater.Watchcarefullythechangesincoloras

youdescendinthewater.Theredpartnowlooksalmostblackbecausetheredlightwavelengths,thelongest

amongthesethreecolors,aremissing.Asyougodowndeeper,thesame