高中英语阅读理解汇编之说明文.docx
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高中英语阅读理解汇编之说明文
阅读理解专练 说明文8篇
Passage1(2017北京,C)
Measles(麻疹),whichoncekilled450childreneachyearanddisabledevenmore,wasnearlywipedoutintheUnitedStates14yearsagobytheuniversaluseoftheMMRvaccine(疫苗).Butthediseaseismakingacomeback,causedbyagrowinganti-vaccinemovementandmisinformationthatisspreadingquickly.Alreadythisyear,115measlescaseshavebeenreportedintheUSA,comparedwith189foralloflastyear.
Thenumbersmightsoundsmall,buttheyaretheleadingedgeofadangeroustrend.Whenvaccinationratesareveryhigh,astheystillareinthenationasawhole,everyoneisprotected.Thisiscalled“herdimmunity”,whichprotectsthepeoplewhogethurteasily,includingthosewhocan’tbevaccinatedformedicalreasons,babiestooyoungtogetvaccinatedandpeopleonwhomthevaccinedoesn’twork.
Butherdimmunityworksonlywhennearlythewholeherdjoinsin.Whensomerefusevaccinationandseekafreeride,immunitybreaksdownandeveryoneisinevenbiggerdanger.
That’sexactlywhatishappeninginsmallneighborhoodsaroundthecountryfromOrangeCounty,California,where22measlescaseswerereportedthismonth,toBrooklyn,N.Y.,wherea17-year-oldcausedanoutbreaklastyear.
Theresistancetovaccinehascontinuedfordecades,anditisdrivenbyarealbutverysmallrisk.Thosewhorefusetotakethatriskselfishlymakeotherssuffer.
Makingthingsworsearestatelawsthatmakeittooeasytooptout(决定不参加)ofwhataresupposedtoberequiredvaccinesforallchildrenenteringkindergarten.Seventeenstatesallowparentstogetanexemption(豁免),sometimesjustbysigningapapersayingtheypersonallyobjecttoavaccine.
Now,severalstatesaremovingtotightenlawsbyaddingnewregulationsforoptingout.Butnoonedoesenoughtolimitexemptions.
Parentsoughttobeabletooptoutonlyforlimitedmedicalorreligiousreasons.Butpersonalopinions?
Notgoodenough.Everyoneenjoysthelife-savingbenefitsvaccinesprovide,butthey’llexistonlyaslongaseveryonesharesintherisks.
1.Thefirsttwoparagraphssuggestthat .
A.asmallnumberofmeaslescasescanstartadangeroustrend
B.theoutbreakofmeaslesattractsthepublicattention
C.anti-vaccinemovementhasitsmedicalreasons
D.informationaboutmeaslesspreadsquickly
2.Herdimmunityworkswellwhen .
A.exemptionsareallowed
B.severalvaccinesareusedtogether
C.thewholeneighborhoodisinvolvedin
D.newregulationsareaddedtothestatelaws
3.Whatisthemainreasonforthecomebackofmeasles?
A.Theoveruseofvaccine.
B.Thelackofmedicalcare.
C.Thefeaturesofmeaslesitself.
D.Thevaccineopt-outsofsomepeople.
4.Whatisthepurposeofthepassage?
A.Tointroducetheideaofexemption.
B.Todiscussmethodstocuremeasles.
C.Tostresstheimportanceofvaccination.
D.Toappealforequalrightsinmedicaltreatment.
Passage2(2017天津,A)
Supposeyou’reinarush,feelingtired,notpayingattentiontoyourscreen,andyousendanemailthatcouldgetyouintrouble.
Realisationwillprobablysetinsecondsafteryou’veclicked“send”.Youfreezeinhorrorandburnwithshame.
Whattodo?
Herearefourcommonemailaccidents,andhowtorecover.
Clicking“send”toosoon
Don’twasteyourtimetryingtofindoutifthereceiverhasreadityet.Writeanotheremailasswiftlyasyoucanandsenditwithabrieftitleexplainingthatthisisthecorrectversionandthepreviousversionshouldbeignored.
Writingthewrongname
Thesooneryounotice,thebetter.Respondquicklyandbriefly,apologisingforyourmistake.Keepthetonemeasured:
don’thandleittoolightly,aspeoplecanbeoffended,especiallyifyourerrorsuggestsamisunderstandingoftheirculture(i.e.incorrectorderingofChinesenames).
Clicking“replyall”unintentionally
Youaccidentallyreveal(透露)totheentirecompanywhatmenuchoicesyouwouldpreferatthestaffChristmasdinner,orwhatholidayyou’dliketotake.Inthisinstance,thebestsolutionistosendaquick,light-heartedapologytoexplainyourawkwardness.Butitcanquicklyrisetosomethingworse,wheneveryonestartshitting“replyall”tojoininalongandunpleasantconversation.Inthisinstance,stepawayfromyourkeyboardtoalloweveryonetocalmdown.
Sendinganoffensivemessagetoitssubject
Themostawkwardemailmistakeisusuallycommittedinanger.Youwriteanunkindmessageaboutsomeone,intendingtosendittoafriend,butaccidentallysendittothepersonyou’rediscussing.Inthatcase,asktospeakinpersonassoonaspossibleandsaysorry.Explainyourfrustrationscalmlyandsensibly—seeitasanopportunitytoclearupanydifficultiesyoumayhavewiththisperson.
1.Afterrealisinganemailaccident,youarelikelytofeel .
A.curious B.tired C.awful D.funny
2.Ifyouhavewrittenthewrongnameinanemail,itisbestto .
A.apologiseinaseriousmanner
B.tellthereceivertoignoretheerror
C.learntowritethenamecorrectly
D.sendashortnoticetoeveryone
3.Whatshouldyoudowhenanunpleasantconversationisstartedbyyour“replyall”email?
A.Tryofferingotherchoices. B.Avoidfurtherinvolvement.
C.Meetotherstaffmembers. D.Makealight-heartedapology.
4.Howshouldyoudealwiththeproblemcausedbyanoffensiveemail?
A.Bypromisingnottooffendthereceiveragain.
B.Byseekingsupportfromthereceiver’sfriends.
C.Byaskingthereceivertocontrolhisanger.
D.Bytalkingtothereceiverfacetoface.
5.Whatisthepassagemainlyabout?
A.Definingemailerrors. B.Reducingemailmistakes.
C.Handlingemailaccidents. D.Improvingemailwriting.
Passage3(2017天津,D)
Ireadsomewherethatwespendafullthirdofourliveswaiting.Butwherearewedoingallofthiswaiting,andwhatdoesitmeantoanimpatientsocietylikeours?
Tounderstandtheissue,let’stakealookatthreetypesof“waits”.
TheverypurestformofwaitingistheWatched-PotWait.Itiswithoutdoubtthemostannoyingofall.Takefillingupthekitchensink(洗碗池)asanexample.Thereisabsolutelynothingyoucandowhilethisisgoingonbutkeepbotheyesfixedonthesinkuntilit’sfull.Duringthesewaits,thebrainslipsawayfromthebodyandwandersaboutuntilthewaterrunsovertheedgeofthecounterandontoyoursocks.Thiskindofwaitmakesthewaiterhelplessandmindless.
AcousintotheWatched-PotWaitistheForcedWait.Thisonerequiresabitofdiscipline.ProperlypreparingpackagednoodlesouprequiresaForcedWait.Directionsareveryspecific.“Bringthreecupsofwatertoboil,addmix,simmerthreeminutes,removefromheat,letstandfiveminutes.”Ihavemydoubtsthatanyonehasactuallyfollowedtheproceduresstrictly.Afterall,ForcedWaitingrequirespatience.
PerhapsthemostpowerfultypeofwaitingistheLucky-BreakWait.Thistypeofwaitisunusualinthatitisforthemostpartvoluntary.UnliketheForcedWait,whichisalsovoluntary,waitingforyourluckybreakdoesnotnecessarilymeanthatitwillhappen.
Turningone’slifeintoawaitinggamerequiresfaithandhope,andisstrictlyfortheoptimistsamongus.Onthesurfaceitseemsasridiculousasfollowingthedirectionsonsoupmixes,buttheLucky-BreakWaitwellservesthosewhoarewillingtodoit.Aslongasonedoesn’tcometorelyonit,wishingforafewgoodthingstohappenneverhurtsanybody.
Wecertainlydospendagooddealofourtimewaiting.Thenexttimeyou’restandingatthesinkwaitingforittofillwhilecookingnoodlesoupthatyou’llhavetoeatuntilalargebagofcashfallsoutofthesky,don’tbedesperate.You’reprobablyjustasbusyasthenextguy.
1.WhiledoingaWatched-PotWait,wetendto .
A.keepourselvesbusy B.getabsent-minded
C.growanxious D.stayfocused
2.WhatisthedifferencebetweentheForcedWaitandtheWatched-PotWait?
A.TheForcedWaitrequiressomeself-control.
B.TheForcedWaitmakespeoplepassive.
C.TheWatched-PotWaitneedsdirections.
D.TheWatched-PotWaitengagesbodyandbrain.
3.WhatcanwelearnabouttheLucky-BreakWait?
A.ItislessvoluntarythantheForcedWait.
B.Itdoesn’talwaysbringthedesiredresult.
C.ItismorefruitfulthantheForcedWait.
D.Itdoesn’tgivepeoplefaithandhope.
4.Whatdoestheauthoradviseustodothenexttimewearewaiting?
A.Takeitseriously. B.Don’trelyonothers.
C.Dosomethingelse. D.Don’tloseheart.
5.Theauthorsupportshisviewby .
A.exploringvariouscausesof“waits”
B.describingdetailedprocessesof“waits”
C.analyzingdifferentcategoriesof“waits”
D.revealingfrustratingconsequencesof“waits”
Passage4(2017浙江,B)
GettinglesssleephasbecomeabadhabitformostAmericankids.Accordingtoanewsurvey(调查)bytheNationalSleepFoundation,51%ofkidsaged10to18gotobedat10pmorlateronschoolnights,eventhoughtheyhavetogetupearly.LastyeartheFoundationreportedthatnearly60%of7-to12-year-oldssaidtheyfelttiredduringtheday,and15%saidtheyhadfallenasleepatschool.
Howmuchsleepyouneeddependsalotonyourage.Babiesneedalotofrest:
mostofthemsleepabout18hoursaday!
Adultsneedabouteighthours.Formostschool-agechildren,tenhoursisideal(理想的).ButthenewNationalSleepFoundationsurveyfoundthat35%of10-to12-year-oldsgetonlysevenoreighthours.Andguesswhatalmosthalfofthesurveyedkidssaidtheydobeforebedtime?
WatchTV.
“MorechildrenaregoingtobedwithTVson,andtherearemoreopportunities(机会)tostayawake,withmorehomework,theInternetandthephone,”saysDr.MaryCarskadon,asleepresearcheratBrownUniversityMedicalSchool.Shesaystheseactivitiesatbedtimecangetkidsallexcitedandmakeithardforthemtocalmdow