2018中考專(zhuān)題復(fù)習(xí)補(bǔ)全短文(六選五)(有答案)

中考補(bǔ)全短文（六選五）復(fù)習(xí)專(zhuān)練WhatisthemoststressfulthinginschoolItisprobablyexams.Examscanputusunderalotofpressure.Butsomestudentsdowellunderpressure,whileothersfeelterrible.1.Itallcomesdowntodopamine（多巴胺）.Ithasmanyimportantroles:influencingmemory,attentionandhowwelearn.Ourbrainsworkbestwhenthereisanevenbalance（平衡）ofdopamine—nottoomuchortoolittle.Thebraincontrolsdopamineintwoways.Iteithertakesoutdopaminequickly,orgradually.Examsuccesscanberelatedtohowfastdopaminegoesbacktoanevenbalance.Ifyoubecomestressed,yourbrainwillstarttooverload（超負(fù)荷）ondopamine.Thequickeryouareabletogobacktoanevenbalanceofdopamine,thequickeryoucanfixyourselfperformbetteronatest.Scientistsfoundthat,duringatest,peoplewhoslowlygotbacktoanevenbalanceofdopaminescored8percent

lower.don'tfear,thereissomegoodnews.Thestudyalsofoundthatthemorepracticeyouget,thelessstressedyou'llbe.So,itturnsoutthatpracticereallydoesmakeperfect.WhathappenswhenwesitforanexamItislikeacupoverflowing（溢出）withwater.So,whydosomestudentsperformbetterunderstressThat'sthediffereneebetweenagoodmarkandabadmarkDopamineisachemicalinourbrainthatsendsinformationtoourbody.Isthereanythingthatcanhelpchangethespeedofdopaminegettingintoourbody.5.Whenwetravelaroundtheworld,wemayseemanybuildingsofspecialshapesintheworld.example,whenyouseeapictureofsportsstadiumthatremindsyouofabird'snest,youprobablyknowitistheOlympicStadiuminBeijing.Greatbuildingsalwayshavespecialshapes.Forexample,inZhengzhou,peoplecanvisitHenanArtCenter,builtintheshapeofgoldeggs.Theshapeofitisspecial.“Fivegoldeggs”iscollectedinacenter.ItmeansZhengzhouliesinthecentreoftheCentralPlain.VisitorswhoareinterestedinguitarsmightwanttovisittheGuitarMuseumintheUSA.Thebuildingisshapedlikeaguitar.Inside,visitorscanseeallkindsofmusicinstruments.Oneofthenewestfunnyshapedmuseumsisapottery（陶瓷）museuminKorea.Thismuseum,builtin2011,isshapedjustlikeatraditionalKoreanpot.Visitorscanseeexamplesofpotsandtoolsusedformakingpotsinthemuseum.oneday,oneofthemwillbecomeapotteryartist.It'soneofthemodernistbuildingsinChina.Theycanalsotrytomaketheirownpotsthere.Everyonecanrecognizethemwiththeirimaginations.OnecoolApril22morning,peoplestartedthedayasusualYetitwasnotanormalday.What'ssospecialaboutApril22TheanswerisbecauseitisEarthDay.Peopleallovertheworldcelebratethisimportantday.TheideaofhavingaspecialdaytocelebratetheEarthbeganin1960s.Lifewasverydifferentthen.Mostpeoplehadnoideahowdirtyourairandwaterwere.OnApril22,1970,twentymillionAmericansjoinedthefirstEarthDayactivities.Thisshowedthatpeoplereallywanttodosomethingfortheenvironment.Sincethenlawshavebeenpassedtoprotecttheair,water,land,andanimalsThevehicles（汽車(chē)）suchascarsandbusesyourideinmustpassteststomakesuretheydon'tcausetoomuchpollution.Thankstoit,carstodaygiveoutabouthalfasmanybadchemicalsastheydidinthepast.It'sagoodthingbecausetheyhavegotalotofhelp.TheCuyahogaRiverinOhiowassopollutedthatrubbishandoilontheriverevencaughtfire!Today,theriveriscleaner.Itnolongerburns.Nowthecelebrationhasspreadtoothercountries.Morethan175countriestakeparteachyear.In2007,peopleinChinapaidmuchattentiontothisbigproblem.Peoplewerethrowingawayonemillionplasticbags（塑料袋）aday!Peoplehad"Bye-ByeThrowawayCultureWeek."Theywantedeveryonetoseehowpolluteditwastothrowawaysomanyplasticbags.In2008,Chinapassednewlawsagainstthem.EveryApril22,millionsofpeoplegettogethertocleanandprotecttheEarth.Ourjobistoputthisknowledgetowork.Youcanhelpkeepourplanethealthy,too!Theyalsocelebratehowfarwehavecome.It'shealthyenoughforbirds,fish,andotheranimals.Asaresult,theairwebreatheiscleanerthanitoncewas.Fewpeopletalkedoreventhoughtabouttheenvironmentandlakesarealsocleanertodaythantheywerebefore.F.Manyanimalsnearandintherivercomebackagainaftethat.四、WorldSleepDay,on21stMarch,wascreatedtobringattentiontothegrowingnumberofsleepingproblems.Sleepisanaturalpartofhumanlife,butmanypeopleinthemodernworlddon'trealizeit'simportance.In2012,scientistsattheUniversityofAthensinGreecedidasurveyofover35,000peoplein10countriesaroundtheworld,includingChina,BelgiumandSouthAfrica.Amongthepeople,24percentsaidthattheydidnotsleepwell,percentwerediagnosed（診斷）withinsomnia（失眠）.Inaddition,percentofthemhavevisiteddoctorsforhelpwithsleepproblemsandpercentsaidthattheyfeltverysleepyduringtheday.Thesurveyfoundthatmanypeopleareexperiencingtheeffectsofpoorqualitysleep.Theycan'tfallasleepandoftenwakeupinthemiddleofthenight.Besides,noisepollutionandlightpollutionalsoaffectsleepandcausepoorqualitysleep.Thesurveyalsofoundthatlargenumbersofpeoplefindithardtosleepatnight.Ifthishappensforalongtime,theriskofputtingonweightandhavingaheartproblemmayincrease.First,youshouldhavegoodsleepinghabits.Trytogotobedandwakeuparoundthesametimeeachday.Youalsoneedtomakeyourbedroomacool,dark,quietplacetosleepsothatheat,lightandnoisedonotdisturb（打擾）you.Atnight,youshouldalsoavoidthingsthathascaffeine,suchaschocolate,coffee,teaandmanysoftdrinks,ascaffeinemaykeepyoufromsleeping.Gettingagoodnight'ssleepisimportantforeveryoneAsaresult,sleepproblemsarequitecommon.B.Andthen,theymaystayawaketillthenextmorning.B.C.Theshort-termeffectsofthisaretirednessandtroubleconcentrating（集中精力）.Therearemanythingsyoucandotoimprovethequalityofyoursleep.Byfollowingtheseadvice,youcanrestbetteratnightandworkbetterduringtheday.Themainreasonsoftheproblemsarepressurefromschoolorworkandafastpace（節(jié)奏）oflife.五、Myhusband,ouryoungerdaughterandIweretravelinghomefromNewYorkoneevening.Weweredrivingnorthwhenmyhusbandsaid,“Lookatthoselights（光）intheeasternsky（天空）.”11Ouryoungerdaughterwassittinginthebackseatandsaid,“Whatisit”Itriedtostopthecarbesidetheroad,butmyhusband

saidhecouldn'tseeitthen.12ThenhesaidLook,theretheyareagain!”Ithenstoppedthecar,gotoutandlooked.Itwasaround,brightthingwithorangelights13saidhecouldn'tseeitthen.12ThenhesaidLook,theretheyareagain!”Ithenstopped