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2018年中考英语专题练习《阅读理解》(3)
这也算得上是爱好吗
Theteacherthoughtthathobbieswereimportantforchildren.Sosheencouragedallher
studentstohaveone,andsometimessheairangedhobbyshowsfortheirparentstoseeasaresult.
Onemorningtheteachertoldtheclasstohaveaholidayandgettheirhobbythingstoschool
before5p.m.Ahobbyshowwouldbeheldthefollowingafternoon.Sointheafternoon,the
studentswithnothingtoshowdidtheirlessonsatschoolasusual,whiletheluckyoneshada
holidaytogohomefortheirhobbyworks.
①Whentheafternoonlessonsbegan,theteacherwassurprisedtoseethatTommywasnot
there.nIdon'tbelieveTommyhasahobby,"shethought.However,ataquartertofive,Tommy
arrivedwithabeautifulcollectionofbutterfliesinglasscases.Theteacherlikedthesamples(标
本)verymuchandputthemonadeskintheclassroom.But,tohersurprise,Tommypickedthem
upagainandbegantoleave.
"Whatareyoudoing,Tommy?”sheasked."Thosethingsmuststayhereuntiltomorrow
afternoon.That'swhentheparentsarecomingtoseethem.°
"Iknowthat,"answeredTommy,"andIwillbringthembacktomorrow,butmyelderbrother
doesn*twantthemtobeoutofourhouseatnight.M
"Butaren'tthebutterfliesyours?uaskedtheteacher.
"No,"answeredTommy."Theyaremybrother's.”
“ButTommy,youshouldshowyourownhobbyhere,notsomebodyelse's."
"1knowthat,'*answeredTommy.②Whatsurprisedhermostwastheanswer,nMyhobbyis
watchingmybrothercollectingbutterflies."
l.Whatdicetheteacherthinkofhobbiesforchildren?
A.Unwelcome.B.Hopeless.C.Harmful.D.Important.
2.WhattimedidTommygetbacktoschoolthatafternoon?
A©BOcQD。
3.WhatwouldNOThappenthefollowingafternoon?
A.Theparentswouldenjoytheshowintheclassroom.
B.Tommywouldbringthebutterfliesback.
C.Theteacherwouldencourageherstudentsforhobbies.
D.Thebutterflieswouldflyaway.
4.Whichwastheteacher'sgreatestsuiprise?
A.Tommywasnotatschoolasusual.
B.Tommypickedthebutterfliesupagainandbegantoleave.
C.Tommysaidhishobbywaswatchinghisbrothercollectingbutterflies.
D.Tommycamebacktoschoolbefore5thatafternoon.
5.What'sthebesttitleforthispassage?
A.ImportantHobbiesB.Tommy'sHobby
C.DifferentHobbiesD.CollectingButterflies
苹果公司创始人乔布斯的故事
ThedesigneroftheAppleComputer,SteveJobs,wasnotquitesuccessfulinhisearlyyears.
Hewasnotamongthebeststudentsatschool,andfromtimetotimehegotintotroublewitheither
hisschoolmatesorhisteachers.Buthewasfullofnewideas,whichfewpeoplesawthevalueof.
Thingsremainedthesamewhenhewentuptocollegeandhedroppedouthalfway.
SteveJobsworkedfirstasavideogamedesigneratAtari.Heworkedthereforonlyafew
monthsandthenhesetouttotourIndia.Hehopedthatthetripwouldgivehimmoreideasand
givehimachangeinlifeforthebetter.
AfterhereturnedfromIndia,hebegantoliveonafarminCalifornia.Andthen,in1975
SteveJobssetaboutmakinganewtypeofcomputer.AlongwithhisfriendStephenWozniak,he
designedtheAppleComputerinhisbedroomandbuiltitinhisgarage(车库).Hegavethename
“apple"becauseitremindedhimofahappysummerheoncespentonanorchard(果园)inOregon.
HisAppleComputerwassosuccessfulthatSteveJobssoonbecameworldwidefamous.But
unluckily,hediedofillnessin2011.
1.SteveJobswhenhewasinschool.
A.wasanoutstandingstudentB.didn'tdoverywell
C.wasalwayspraisedbyothersD.didn'tlearnanything
2.Theunderlinedword"value"means"M.
A.beautyB.chanceC.importanceD.hope
3.SteveJobs.
A.receivedanexcellentcollegeeducation
B.didn'tgotocollegeatall
C.studiedincollegefor4years
D.didn'tfinishhiscollegeeducation
4.Stevejobsnamedhiscomputercompany"Apple"because.
A.applewerehisfavoritefruit
B.hedesignedthecomputerunderanappletree
C.hewantedtorememberthehappytimeontheorchard
D.thecomputerwasdesignedontheorchard
5.Stevejobs*wouldbethemostimportantthingforhislifetimesuccess.
A."failure1,inschool
B.stayontheorchard
C.travelinIndia
D.newideas
纽约的唐人街
WhatisaChinatown?IsitatowninChina?Ofcoursenot!TheChinatownisapartofa
townareawithalargenumberofChineseresidents(居民),usuallyoutsideChina.Chinatownsare
throughouttheworld,includingthoseinEastAsia,SoutheastAsia,NorthAmerica,South
America,Australia,andEurope.ThebiggestoneisinNewYork.Itisagoodplacetogo.
Shopping
ShoppingintheChinatownisfun.Youcan
findlotsofthingsthere.Mostofthemaremade
inChina.®MottStreetisthebestplacetoshop
becausethingstherearenotveryexpensive.
Eating
TheChinatownhasmorethan200
restaurants.YoucanenjoytraditionalChinese
foodthere.NewSilverPalaceRestaurantisone1
ofthebestChineserestaurants.■
Living
LivingintheChinatowniscomfortable.
Youcanfindhospitals,banks,librariesand
supermarketsthere.Insomeschools,students
muststudyChinese.Manyoverseas(海外的)।
Chinesesendtheirchildrentotheseschools.@Theywlearnmoreabout
Chinaanditsculture.
l.TheChinatownisalivingarea.
A.inChinaB.inaforeigncountry
C.inthecountrysideD.inashoppingmall
2.NewYorkintheUnitedStateshasChinatownintheworld.
A.thesmallestB.thelargest
C.thefunniestD.themostboring
3.isthebestplacetoshopbecausethingstherearenotveryexpensive.
A.SouthAmericaB.Europe
C.EastAsiaD.MottStreet
4.InNewYork,youcangotoNewSilverPalaceRestaurantto.
A.eatChinese-stylefoodB.borrowmagazines
C.haveWesternfoodD.seeadoctor
5.ManyoverseasChinesewanttheirchildrento.
A.liveinaforeigncountry
B.knowsomethingaboutChinatowns
C.readbooksinChineselanguage
D.learnmoreaboutChinaanditsculture
态度决定一切
Whafsthemostimportantthingforyoutohaveinyourlife?Somebodymentionshard
work;otherssuggestknowledge,loveandluck.
Ifyouarrange(排列)the26Englishlettersin
orderandusenumberstorepresenteachofthem,for映
example,1fora,2forb,3forc...26forz,youcan
changeanEnglishwordintoanumber.Sohardwork
becomes8+1+18+4+23+15+18+11=98,meaning98
isitsmark;knowledge:11+14+15+23+12+5+4+7+5
=96;love:12+15+22+5=54,andluck:12+21+3+11=47,
asmallmark.Noneofthesewordscangiveoneafull
mark.Whataboutmoney?Itcan't,either.
Thenwhatelse?Don'tbeworried.Youcanalwaysfindananswertoaprobleminyourlife,
whenyouchangeyourwayoflookingatthingsordoingthings,oryourattitude.Yes,attitudeis
theword.Seeforyourself:attitude:1+20+20+9+20+21+4+5=100,afullmark.
Differentattitudesleadtodifferentcoursesoflife.Mosttimepeoplehopeforabetterlife.It
ispossiblethattheywillhaveabetterlifeiftheychangetheirattitudes.Whenyouchangeyour
mannerandbecamefriendlytowardothers,you'llmeetmoresmilingfacestowardyou.Inthe
sameway,ifyoutakeapositiveattitudetowardfailure,you'llfindit*salsorewarding(有益
的)thoughithascausedyoulosses(损失).
l.Thewriterthinksisthemostimportantthinginaperson'slife.
A.hardworkB.knowledge
C.moneyD.attitude
2.Whatisthemarkoftheword,"money"accordingtothepassage?
A.73.B.72.C.75.D.62.
3.Accordingtothepassage,ifyoumeetwithproblems,thebestwayisto.
A.askforhelpfromothersB.hopetobelucky
C.changeyourattitudeD.trymath-solvingways
4.Fromthepassagewecanlearnthat.
A.differentattitudescomefromdifferentcoursesoflife
B.sometimesfailurecanbringyougoodifyoutakeapositiveattitude
C.mathcansolveeveryproblemeasilyinourdailylife
D.noneoftheEnglishwordsexcept"attitude"is100ormore
为什么全世界的学生都要学数学
Askanystudentwhichsubjectheorshehatesmost,9outof10studentswillanswer"math".
Nomatterwhichcountryyouvisit,nomatterwhichgradeyouarein,youmaynotlearnart,
geography,chemistryorChinese,butyoualwayslearnmath.Whyisthisso?Howcomesomany
studentshatemath,andyetcannotavoidlearningitinschool?
JennySanders,ahighschoolstudentinCalifornia,asks,"Whatgooddowegetfromlearning
math?Wecanusecomputerstocomputenumbers,andwecanusecomputerstostoreinformation.
Ithinklearningmathatschoolisawasteoftime."
However,thereismuchmoretomaththanjustlearningtoaddandsubtract(减)numbers.①
Infact,mathisnotsomuchaboutcalculationasitisaboutlearningtothinklogicallyandsolving
problems.②Ofcourse,Jennywasrightthatwecouldusecomputerstodocalculations,buthow
wouldweevenknowhowtousethecomputerifwecouldn'tthinklogically?Inshort,computers
areonlytoolswhensolvingproblems.
Forexample,imagineyouareacookandmustservedinnerto100guests.Howshouldyou
divideyourresourcessothatyoucangetthejobdonemostefficiently(高效地)?Insituationslike
this,theabilitytothinklogicallywillgetyoutoareasonableanswerandsolveyourproblem.
1.Accordingtothepassage,whichsubjectdostudentsalwayslearnindifferentgradesatschool?
A.Chinese.B.Math.C.Geography.D.Art.
2.WhatdoesJennySandersthinkoflearningmath?
A.Interesting.B.Boring.C.Useless.D.Difficult.
3.WhichofthefollowingisTRUEaccordingtothepassage?
A.90%ofthestudentshatelearningmath.
B.Studentscanlearnmathwellwithcomputers.
C.Mathcandocalculationsandstoreinformation.
D.Mathhelpsstudentslearnalltheothersubjectswell.
A.Interesting.B.Boring.C.Useless.D.Difficult.
4.Whatdoesthewriterwanttotellus?
A.Mathisjustlearningtoaddandsubtractnumbers.
B.Mathcanbegoodforbothourbodyandourmind.
C.Mathhelpsusthinklogicallyandsolveproblems.
D.Mathcanhelpstudentsfindagoodjobinthefuture.
富有是一种心态
Twochildrenstoodoutsidethedoorwitholdcoats.
"Anyoldpapers,lady?"askedoneofthem.
Iwasbusy.①Iwantedtosayno,butIsawthat
theirshoeshadholesinthemandthattheywerewet.
nComeinandI'llmakeyouacupofhottea."They
camem,sayingnothing.Theirshoesleftprintsonthefloor.
Igavethemteaandbreadtoprotestthemfromthecoldoutside.ThenIwentbacktothe
kitchenandstartedmyhouseworkagain.
Thesilenceinthelivingroomsurprisedme.Ilookedin.
Thegirlheldtheemptycupinherhands,lookingatit.Theboyaskedmeinalowvoice,
"lady,areyourich?"
AmIrich?Oh,no!Ilookedattheoldthingsinmyroom.
Thegirlputhercupbackinitssaucer(茶碟)carefullyandsaid,"Yourcupsmatch(相配)your
saucers."
Thentheyleft,holdingtheirpapersagainstthewind.Theyhadn'tsaidthankyou.Theydidn't
needto.Theyhaddonemorethanthat.TheyhadremindedmethatIhadsomuchtothankfor.
Thebluecupsandsaucersweresimple,buttheymatched.Thepotatoesandmeatbeforeme,a
roofovermyhead,myhusbandwithajob-thesethingsmatched,too.
Imovedthechairsbackfromthefireandcleanedthelivingroom.Theprintsoftheirsmall
shoeswerestillwetonmyfloor.Iletthembe.②IwantedthemtheretoremindmehowrichI
was.
1.Thewriterletthetwochildreninto.
A.servethemteaandfood
B.sellthemsomeoldpapers
C.showthemhowrichshewas
D.offerthemsomewarmclothes
2.Whydidthechildrenthinkthewriterwasrich?
A.Helikedthesaucer.
B.Theroomwasquitelarge.
C.Thecupsmatchedthesaucers.
D.Shewaskindandreadytogive.
3.Wecanlearnfromthepassagethat.
A.thewriterfelteverythingmatched
B.thewriter'shusbandwasoutofwork
C.thechildrentalkedhappilyintheroom
D.thechildrenthankedalotbeforeleaving
4.Theunderlinedsentence"Iletthembe."means"
A.Ilovedthem.B.Ileftthemthere.
C.Ididn'tlikethem.D.Ididn'twanttoseethemagain.
5.Accordingtothepassage,whetheryouarerichdependson.
A.whatjobyouaredoing
B.whatyouhave
C.howmuchmoneyyouhave
D.howyoufeelaboutyourlife
同一家庭中的孩子性格会不同
Ifyouhaveabrotherorsister,youalreadyknowyouaredifferentfromeachother.Youlive
togetherinthesamehouseandwiththesameparents,butyouhavedifferentpersonalities.Whyis
this?Onepossiblereasonisthewayyourparentstreatyou.
First-bornchildrenreceivealltheattentionfromtheirparents.®Mostfamilieshavetwiceas
manyphotosofafirst-bornasanyotherchild.Parentsusuallygivefirst-bornsmore
responsibility(责任)anddependonthemtotakecareofyoungerbrothersandsisters.Asaresult,
first-bornsareoftenresponsible,hard-workingandserious.Theyoftenwanttodowellatschool
andwork.Therearemorefirst-bornAmericanpresidentsthansecondorlast-bomchildren-fbr
example,GeorgeW.Bush,GeorgeWashington,andLyndonBainesJohnson.
Whenasecondchildarrives,parentsarenotsoexcited.Thesecondchildhastocompete
withthefirst-bornfortheparents'attentionandlove.Thesechildrenoftenchoosedifferentsports
andhobbiestodowellatschoolandwork,buthavetobecreativetogettheirfamily'sattention.
Theyareoftenfriendlyandcool.Manyfamoustalk-showhostswerebornlast.
1.Thewriterthinksthatthesecondchildrenareoften.
A.outgoingandseriousB.coolandfriendly
C.hard-workingandseriousD.creativeandresponsible
2.Theunderlinedword"personalities"meansinthepassage.
A.友好B.冷静C.个性D.智商
3.isusuallythehappiestinthefamilyaccordingtothepassage.
A.TheeldestchildB.Thesecondchild
C.TheyoungestchildD.Thefather
4.Wecanlearnfromthepassagethat.
A.thesecondchildisverysimilartothefirst-bornchild
B.brothersandsistersusuallyhavethesamepersonalities
C.it'seasyforthesecondchildtogethisorherparents'attention
D.therearemorefirst-bornsuccessfulpeoplethansecondorlast-bornpeople
5.Thepassageismainlyabout.
A.birthorderandpersonalities
B.thepersonalitiesofthesecondchildinafamily
C.thepersonalitiesoftheeldestchildinafamily
D.thepersonalitiesoftheyoungestchildinafamily
学习不好的部分原因是睡眠不足
Upto65%ofchildrendon'tgetasmuchsleepastheyshoulddo,andthiscanmakethem
nervousandsloweratschool,scientistssay.
Sohowlongshouldyoungpeoplesleepeachnight?Theanswerisbetweeneightandten
hours.Ifyoudon'tgetenoughsleepatnight,you'llhavelessenergythenextday.
①Butthescientistssaymanychildrenhavemissedouton4,500hoursofsleepbythetime
theyaresevenyearsold.TheysaythatchildrenmisssleepbecausetheyhaveTVsandcomputers
intheirrooms,andbusyparentsdon*treadtotheiryoungerchildrenatnightanymore.The
traditional"bedtimestory"helpschildrentorelaxandfallasleeppeacefully.ChildrenwithTVs
andcomputersintheirbedroomsaremorelikelytosleepbadly,andtogetlessthaneighthours1
sleep.Evenlosingonehour'ssleepanightcanmeanthatchildrendolesswellatschool.
Germanscientiststhinkthatyourbrain(大脑)keepsworkingwhileyouareasleep.②Toshow
thattheywereright,theygavetwogroupsofpeopleaproblemtoworkout.Onegroupwentto
sleep,andtheothergroupstayedawake.Theresult?Thepeoplewhosleptworkedouttheanswer
morequickly.Thisshowedthattheirbrainshadbeentryingtofindtheanswerwhilethepeople
wereasleep.So,makesureyougetenoughsleeptonight,andyou'llbeatyourbesttonight,and
you'llbeatyourbesttomorrow!
1.Whatproblemdomorethanahalfofstudentshave?
A.Theydon'tgetonwellwiththeirstudies.
B.Theydon'thaveenoughsleepatnight.
C.Theydon'trelaxthemselvesatschool.
D.Theydon'tfollowtheirschoolrules
2.Accordingtothethirdparagraph,whatinfluencesmanychildren'ssleepworst?
A.Theirparents1noise.B.Bedtimestories.
C.Toomuchhomework.D.TVandcomputers.
3.TheGermanscientists*experimentshowedthat.
A.ourstudydependedonoursleep
B.oursleephelpedimproveourhealth
C.ourbrainworkedwhilewereasleep
D.ourbrainworkedfasterduringsleep
4.Thispassageinmainlywrittenfor.
A.parentsB.schoolteachers
C.scientistsD.youngstudents
未来的发明
What'sgoingtohappeninthefuture?Willrobotscontrolour
planet?Willcomputersbecomesmarterthanus?Notlikely.
Butherearesomethingsthatscientistssayaremostlikelyto
happenin10-30yearsfromnow,accordingtotheBBC.
Digitalmoney
Weusedtopaywithcash(金)foreverythingwebought.Nowwhenweuseacreditcard(信
卡)toshoponline,moneyisspentwithoutusseeingit.Thatmeanswearealreadyusingdigital
money.Usingacardismucheasierthansearchingourpocketsforchange.Itisalsosaferthancarr
-yingalotofcash.
WhenATMcardswerefirstintroduced,theywerenotacceptedeverywhere.Butnowit's
hardtolivewithoutthem.It'sreportedthatpeopleinSwedencompletelystoppedusingcashlast
year,andtheU.S.mightbethenext.
Bionic(仿生的)eye
They'renolongersomethingonlyinasciencefictionmovie.©Peoplewhoareblindmay
haveachancetogettheirsightback—bywearingbioniceyes.
Ablindeyecannolongersenselight,butabioniceyecanuseacamerato"see"the
environmentandsenddata(数据)tothemind.Nowthebioniceyeonlyallowspatientstosee
lightsandunclearshapes.Ahighresolution(高清的)imagecouldbejustafewyearsaway.
Self-drivingcars
Unlikeahumandriver,aself-drivingcarwon'tgetdistracted(分钟)byphonecall,theradio
orsomethingoutsidethewindow.②Sensors(探测器)andcamerasonthecarwouldallowitto
stickstrictlytotherulesoftheroadandkeepasafedistancefromothercars.Thiswouldgreatly
reducethenumberofroadaccidents.Youcouldeventakeanapwhilethecardriveritself.Inthe
future,driverlesscarswouldbewidelyaccepted.
1.hasstoppedusingcashcompletely.
A.SwedenB.ATMC.BBCD.America
2.Whatdoesthewritermainlytellusaboutdigitalmoney?
A.Weusedigitalmoneytoshoponlinewithoutpayingmoney.
B.Digitalmoneyismostlikelytobeusedinsteadofcash.
C.Usingacreditcardiseasierandsaferthanusingcash.
D.ATMcardsarealwayspopular.
3.WhichofthefollowingstatementsisTRUE?
A.Bioniceyesonlyappearinthesciencefictionfilm.
B.Humandriverswon*tgetdistractedbysomethingoutside.
C.Theblindwearingbioniceyesmayseeclearlyinthefuture.
D.Therewillbenoroadaccidentsatallifself-drivingcarsareused.
4.Fromthereport,wecanlearnsomeinformationabout・
A.cultureandart
B.industryandfarming
C.scienceandtechnology
D.trafficandjourney
5.Whichofthefollowingcanbepredicted(预测)fromthepassage?
A.Therewouldbeanumberofself-drivingcarsontheroad.
B.Theblindcouldusecamerastoseethingsaround.
C.Wewouldliveahardlifewithdigitalmoney.
D.Robotswouldcontroltheworld.
工作有益于健康和快乐
Scientistsfindthathardworkingpeoplelivelongerthanothers.Career(职业)womenare
healthierthanhousewives.Factsshowthatthejoblessareinpoorerhealththanthejobholders.
Whyisworkgoodforhealth?①It'sbecauseworkcankeeppeoplebusy,awayfrom
lonelinessorsolitude.Studiesshowthatpeoplefeelunhappy,worriedandlonelywhentheyhave
nothingtodo.Instead,thehappiestpeoplearethosewhoarebusy.②Manysuccessfulpeople
wholovetheirworkfeelthatthey'rethehappiestwhenthey'reworkinghard.Byworkingtogether,
peoplecanoftenmeetothersandfindfriendshipandwarmth.Thisishelpfultohealth.
Workcangiveoneasenseoffulfillment(满足).Workmakesonefeelhisvalueinsociety.
Whenawriterfinisheshiswriting,hefeelsveryhappy.
Fromtheabovewecanlearnthatthemoreyouwork,thehappierandhealthieryouwillbe.
Letusworkhardandstudywellandliveahappyandhealthylife.
1.Theunderlinedword"solitude**inthepassagemeans""inChinese.
A.担心B.孤独C.幸福D.充实
2.Whyisworkhelpfultohealth?
A.peoplecanfindfriendshipandwarmthbyworkingwithothers.
B.peoplefeelhappywhentheyarebusywiththeirhousework.
C.themoreworkpeopledo,themoremoneytheywillmake.
D.workmakespeoplefeeltheirvalueathome.
3.Thewritertellsusthat.
A.lifeistooshorttoworryaboutothers
B.thelossofworkmeansthelossofability
C.peopleshouldmakegooduseofeveryminuteoftheirlives
D.workingcangivepeopleahappyandhealthylife
4.Thelossofworkmeanspeoplemay.
A.becomepoorerandpoorer
B.losetheirvalueathome
C.feelunhappy,worriedandlonely
D.diesoon
5.What'sthebesttitleforthispassage?
A.WorkMakesManbusy
B.HardWorkMakeManRich
C.WorkIsGoodforYourHealth
D.JoblessMeansHappy
鹰的再生,启迪人生
Theeaglehasthelongestlifeofitsgroup.Itcanreach/
upto70years.Buttoreachthisage,theeaglemustmakea
hardandpainfuldecision.
Whenaneaglereachesnear40,itsshortsharpbeak(鸟
喙)becomesbent(弯曲的).Itslongandonceflexible(灵活的)talons(爪)cannolongercatch
animalsorbirdsforfood.Anditsoldandheavywingswiththickfeathersonitsbodymakeit
difficulttofly.Then,theeaglehasonlytwochoices:todieortogothroughapainfultimeof
changewhichneedsfivemonths.
Whentheeaglefeelsweakandisabouttodie,itgoestoaplacefarawayonthetopofa
mountainandsitsonanest.Foranewlife,theeagleknocksitsbeakagainstarockuntilitpullsits
beakout.Afterpullingitout,theeaglewaitsforanewbeaktogrow.Andthenitpullsoutits
talonsandoldfeathers.①Ittakestheeaglefivemonthstocompleteitschangeandgetanewlife.
Wecancallititsrebirth.Soitcanlivefor30moreyears.
Liketheeagle,wehumanbeingssometimesneedtomakesomechangetogetoutofour
difficulty.Inmiserablecondition,wehavetochangeourwaysoflife.Thechangingmaybevery
painful.Butsometimeswehavetothrowoffouroldhabits,memoriesandtraditions.Wecan'tgo
onwithallourpastburdens(重负).
1.WhichofthefollowingisTRUEaccordingtothepassage
A.Whenaneaglereachesnear40,itsshortsharpbeakisstillstraight.
B.Foranewlife,theeagleknocksitstalonsagainstarock.
C.Iftheeagledoesn'tchangeitself,itwillhaveanewlife.
D.Thewriter'sideaisthatwecan'tgoonwithallourpastburdens.
2.Theunderlinedword"miserable“hereprobablymeans'1
A.terribleB.goodC.lonelyD.lucky
3.Thebesttitleforthepassagecanbe"
A.TheDeathoftheeagle
B.TheLivingPeriodoftheEagle
C.AGoodandEasyDecision
D.RebirthoftheEagle
防冻剂
Antifreezeisaliquidthatisaddedtowatertokeepit
fromfreezing.Whenwaterfreezesandturnstoice,it
expands(膨胀).Theforceofwaterexpandingissogreatthat
itwillbreakthehardestmetal.@Waterisusedincarengines
tokeepthemcoolwhiletheyrun,andifthiswaterisallowed
tofreezeinwinter,itcanbreaktheironblockoftheengine.
Thatiswhyantifreezeisnecessary.
Waterfreezesat0℃;theusualkindofantifreezewillnotfreezeuntilthetemperatureis一
40℃.Amixture(混合物)offivepartsofwaterandfourpartsofantifreezewillprevent
freezingat-18℃;fourpartsofwaterandfivepartsofantifreezereducethisto-22℃.
②Alcoholisakindofgoodantifreeze,butwhenthecarisrunning,itbecomeshotandthe
alcoholboilsaway,soitmustbechangedveryoften.Mostpeopleuseantifreezethatdoesnotboil
awaywhentheengineisrunning.Thereareseveralchemicalsthatdothis.Oneofthemost
populariscalledethyleneglycol.
1.peopleusetokeepcarenginescool.
A.antifreezeB.water
C.alcoholD.ethyleneglycol.
2.Theusualkindofantifreezefreezesat.
A.0℃B.-18℃C.-22℃D.-40℃
3.Weuseantifreezeinorderto.
A.keepalcoholinwater
B.stopicefrombecomingwater
C.makethefreezingpointofwaterlower
D.raisethefreezingpointofwater
4.Besidesalcohol,isanotherkindofpopularantifreeze.
A.waterB.ethyleneglycol
C.anychemicalD.anymixture
5.Thetextiswrittento.
A.t
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