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【2022年】湖南省怀化市大学英语6级大
学英语六级预测试题(含答案)
学校:班级:姓名:考号:
一、l.Writing(10题)
1.Directions:Forthispart,youareallowed30minutestowriteacomposition
onthetopicMobilePhoneUsesshouldBeLimitedinLibrary.Youshould
writeatleast150wordsfollowingtheoutlinegivenbelowinChinese:
1.图书馆的阅览区内滥用手机的现象很普遍
2.分析此现象造成影响
3.你的建议
MobilePhoneUsesshouldBeLimitedinLibrary
2.Directions:Forthispart,youareallowed30minutestowriteashortessay
entitledSchoolbags:TooHeavyforSchoolbags.Youshouldwriteatleast150
wordsfollowingtheoutlinegivenbelow:
1.学生的书包越来越重
2.造成这情况的原因
3.如何减轻学生的负担
3.1.现代生活充满压力
2.压力的种种迹象
3.如何减轻压力
HowtoReduceStressandTension
4.Directions:Forthispart,youareallowed30minutestowriteashortessay
entitledMyViewon''Moon-lite*'.Youshouldwriteatleast150words
followingtheoutlinegivenbelow:
1.如今的年轻人中流行“月光族:就是每个月都反自己赚的钱花光,没
有任何积蓄的人群
2.有人认为这是时尚的体现,但这样做存在着种种问题
3.我的看法
MyViewon"Moonlite"
5.Direction:Forthispartyouareallowed30minutestowriteacomposition
onthetopicOnStress.Youshouldwritenolessthan150wordsandbaseyour
compositionontheonlinebelow.
1.有的人害怕压力。
2.有的人认为压力并不是一件坏事。
3.我的看法。
6.Directions:Forthispart,youareallowed30minutestowriteashortessay
entitledTheMarvelsofMedicineintheTwentiethCentury.Youshouldwrite
atleast150wordsfollowingtheoutlinegivenbelow:
1.Introduction:Advancesinmedicalscience-themostimportantachieve
mentsmadeinthetwentiethcentury
1.Developmentofvaccinesandantibiotics
2.Discoveriesofnewdiagnosismethods
3.Adventofgeneticengineering,anewbranchofbiology
Concludingremarks:Evengreaterwonderstobewroughtinthe21stcentury
7.Forthispart,youareallowed30minutestowriteacompositiononthe
topicHowtoKeepPsychologicallyHealthy?Youshouldwriteatleast150
words,andbaseyourcompositionontheoutlinegivenbelowinChinese:
1.心理健康问题往往是导致疾病的原因
2.分析人们产生心理健康问题的原因(可从失业、压力过重、缺少支持、
缺乏人际交往能力等方面加以分析)
3.你认为人们应如何保持心理健康
HowtoKeepPsychologicallyHealthy?
8.Directions:Forthispart,youareallowed30minutestowriteashortessay
entitledMyViewonChangesofNationalPublicHoliday.Youshouldwrite
atleast150wordsfollowingtheoutlinegivenbelow:
1.在中国实行已久的五一黄金周在2008年被缩短,但是新添了几个较
短的法定假日
2.这种变化带来的影响
3.你如何看待这种变化
MyViewonChangesofNationalPublicHoliday
9.Directions:Forthispart,youareallowed30minutestowriteashortessay
entitledHowtoCultivateTeamSpirit?Youshouldwriteatleast150
words.followingtheoutlinegivenbelow.
1.闭队精神对人的成长至又重要
2.但现在许多人缺乏闭队精神
3.在我看来……
HowtoCultivateTeamSpirit?
10.Directions:Forthispart,youareallowed30minutestowriteapassageof
atleast150wordsinthetitleofWhoShouldbeResponsibleforOurOld
People.Pleasefollowtheoutlinegivenbelow.
1.列举我国老年人生活存在的问题。
2.你认为应如何解决这些问题。
二、2.ReadingComprehension(SkimmingandScanning/10题)
11.Madagascar
Thereareatleast8millionuniquespeciesoflifeontheplanet,ifnetfarmore,
andyoucouldbeforgivenforbelievingthatallofthemcanbefoundin
Andasibe.WalkingthroughthisrainforestinMadagascarislikesteppinginto
thelibraryoflife.SunlightseepsthroughthesilkyfringesoftheRavenea
louvelii,anendangeredpalm(棕桐树)found,likesomuchelseonthis
Africanisland,nowhereelse.
MadagascarwhichseparatedfromIndia80millionto100millionyearsago
beforeeventuallysettlingoffthesoutheasterncoastofAfrica,isinmanyways
anEarthapart.AllthattimeingeographicisolationmadeMadagascara
Darwinianplayground,itsanimalsandplantsevolvingintoformsutterly
original.Some90%oftheisland'splantsandabout70%ofitsanimalsarc
endemic,meaningthattheyarcfoundonlyinMadagascar.Butwhatmakes
lifeontheislanduniquealsomakesituniquelyvuhnerable,whichmeansif
welosetheseanimalsonMadagascar,they'regoneforever.
Thatlossseemslikelierthaneverbecausetheanimalsareunderthreatas
neverbefore.Oncelushlyforested,Madagascarhasseenmorethan80%of
itsoriginalvegetationcutdownorburnedsincehumansarrivedatleast1500
yearsago,fragmentinghabitatsandleavinganimalseffectivelyhomeless.
Uncheckedhuntingwipedoutanumberoflargespecies,andtodaymining,
loggingandenergyexplorationthreatenthosethatremain.Ithasanareathe
sizeofNewJerseyinMadagascarthatisstillunderforest,andallthis
incrediblediversityiscrammedintoit.
Madagascarisaconservationhotspotatermfbraregionthatisvery
biodiverseandparticularlythreatened—andwhilethatmakestheisland
special,itishardlyalone.Conservationistsestimatethatextinctions
worldwideareoccurringatapacethatisupto1000timesasgreatashistory's
backgroundratebeforehumanbeingsbeganscattering.Worse,thatdie-off
couldbeaccelerating.
PriceofExtinction
Therehavebeenfiveextinctionwavesintheplanet'shistory—includingthe
Permian(二叠名己的)extinction250millionyearsago,whenanestimated70%
ofallterrestrialanimalsand96%ofallmarinecreaturesvanished,and,most
recently,theCretaceous(白垩2己的)event65million),earsago,whichended
thereignofthedinosaurs.Thoughscientistshavedirectlyassessedthe
viabilityoffewerthan3%oftheworld'sdescribedspecies,thesamplepolling
ofanimalpopulationssofarsuggeststhatwemayhaveenteredwhatwillbe
theplanet'ssixthgreatextinctionwave.Andthistimethecauseisn'tan
unsteadyplanetorvolcanoes.It'sus.
Throughourgrowingnumbers,ourthirstfbrnaturalresourcesand,mostof
all,climatechange-which,byonereckoning,couldhelpcarryoff20%to
30%ofallspeciesbeforetheendofthecentury—we'reshapinganEarththat
willbebiologicallyexhausted.A2008assessmentbythe:InternationalUnion
forConservationofNaturefoundthatnearly1in4mammalsworldwidewere
atriskforextinction,includingendangeredspecies.Overfishingand
acidificationoftheoceansarethreateningmarinespeciesasdiverseasthe
corals.
Scaryforconservationists,yes.butthequestionarises:Whyshoulditmatter
totherestofus?Afterall,nearlyallthespeciesthatwereeveraliveinthe
pastaregonetoday.Evolutiondemandsextinction.Whenwe'reusingtheterm
extinctiontotalkaboutthefateoftheUSautoindustry,doesitreallymatter
ifwelosespeciesliketheYangtzeRiverdolphinandthegoldentoad,allof
whichhaveeffectivelydisappearedinrecentyears?Whatdocsthelossofa
fewspeciesamongmillionsmatter?
Foronething,we'reanimalstoo,dependentonthisplanetlikeeveryother
form,oflife.Themorespecieslivinginanecosystem,thehealthierandmore
productiveitis,whichmattersforus—arecentstudybytheWorldWildlife
Fund(WWF)e
A.Atleast8millionuniquespeciesoflife.
B.Morethan8millionuniquespeciesoflife.
C.Alibraiyoflifeontheplanet.
D.Akindofpalmwhichcanbefoundnowhere.
12.
AsinthestoryofMickey,AmyandJoey,agossipmaycausetothe
gossiped.
13.
Ifonehasthedesiretoimprovehisreadingspeed,themotivationtopractice
and,hemayimprovehisreadingspeed.
14.
OneofthepurposesthatIndiansswingthehammockisto.
15.
Thereare7,000glaciersthatcover.
16.
Whatdolocalresidentsclaimfor?
A.Theyaresickbecauseofyearsofpollution.
B.Theyaresickbecauseofindustriesontheirdoorsteps.
C.Theyaresickbecauseofpesticidesfromagriculture.
D.Theyaresickbecauseofairpollution.
17.ContrarytotheopeningupofFacebook,theThunderbirdcanmakeusers
minimize.
18.
Collegeinstructorsdon'tlikethosestudentswhoonlyrepeat.
19.
Waterclocksweremostlyusedtodetermine.
20.
antisocialbehavior.
三、3.ListeningComprehension(10IS)
21.[Bl]
22.(22)
A.Exchangethecomputerforthewoman.
B.Refundthewoman'smoney.
C.Givethewomananythingshelikesinthestore.
D.Givethewomanastorecreditwithwhichshecanbuyanythinginthestore.
23.(34)
A.TheywereimportedfromEuropeancountries.
B.Theymigratedfromdistantcolonies.
C.Theyweredomesticatedfromlocalwildbreeds.
D.Theyweretheresultofacarefulbreedingprogram.
24.SectionA
Directions:Inthissection,youwillhear8shortconversationsand2long
conversations.Attheendofeachconversation,oneormorequestionswillbe
askedaboutwhatwassaid.Boththeconversationandthequestionswillbe
spokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,
youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichis
thebestanswer.
(12)
A.She'snotsureshe'llbeseeingJulia.
B.ShellphoneJuliaseveraldaystater.
C.Shedoesn'tthinkJuliaknowsaboutregistration.
D.She'ssureJuliawillhelptheprofessorwithcourseregistration.
25.(18)
A.Themanalsowantstogetaticketforthestateballet.
B.Themanissellingtheticketforthestateballet.
C.Theman'ssisterwillgotoseethestateballet.
D.Theman'ssisterwillgivethetickettothewoman.
26.(36)
A.Becausethemountainisover12,000feethigh.
B.Becausehehadnoexperiencesinceheleftcollege.
C.Becausehiswifewasn'tgoodatmountainclimbing.
0.Becausehischildrenweretooyoung.
27.(35)
A.FromtheASPCA.
B.Fromthelibrary.
C.Bybuyingadogfromastore.
D.Byreadingbooksaboutclogsincludingpuppytraining.
28.
[B8]
29.
[B3]
30.[B2]
四、4.ReadingComprehension(ReadinginDepth)(3题)
31.
By2030thegovernmentsindevelopedcountriesmayputanendtofixed
retirementages.
A.tosavethecurrentpensionsystem
B.toensurethebenefitsforhealthypensioners
C.torealizefullretirementbenefitssubstantially
D.torelievethepensionsburdenontheworkingpopulation
32.
Whyarenutritionistsconcernedaboutaddingvitaminstoolestra?
A.Itmayleadtotheover-consumptionofvitamins.
B.Peoplemaybeinducedtoeatmorethanisnecessary.
C.Thefunctionoftheintestinesmaybeweakened.
D.Itmaytriggeranewwaveoffakefoodproduction.
33.
WhichofthefollowingstatementstheauthordoesNOTbelievetobetrue?
A.Thepersonwhowearsauniform,hasnoserf-worth.
B.Wearingauniform,givesapersonasenseofidentificationwithalarge
concept.
C.Uniformswillhurtoneentireinformationandentertainmentindustry.
D.Envyandcompetitionarcincentivetoimproveone'slife.
五、5.ErrorCorrection(3
34.
[S2]
35.[S5]
36.
[S9]
六、6.ErrorCorrection(3题)
37.
[S7]
38.
[S2]
39.
[S9]
参考答案
1.MobilePhoneUsesshouldBeLimitedinLibrary(1)Inthelibrarythe
improperuseofmobilephonesisbecomingincreasinglyserious.Many
studentsarefoundtalkingloudlyonphonesortakingaphoneinaudible
ringingmodeintothelibrary.(2)Thereisnodoubtthatthoseimpolite
behaviors(3)hoveanegativeinfluenceonlibraryreaders.(4)Foronething
mobilephonesarcadistractionforthosewhousemobilephonesfortheycan
hardly(5)concentrateonreading.(4)Foranothersuchabehaviorcauses
disturbancetootherleaders.It'sveryimportantforthereaderstokeepaquiet
atmospheresincethelibraryisaplaceforstudyandresearch.Allstudents
shouldobeylibraryregulationsandkeepquietinthelibrary.(6)iftheydo
needtousemobilephonestheycansettheirmobilephonesinthesilence
modeandmakephonecallsindesignatedareas(7)suchasrestroomsandthe
elevatorarea.(8)Inthiswayallthereadersinthelibrarycanhelptocreatea
goodatmosphereand(9)benefitfromreading.MobilePhoneUsesshouldBe
LimitedinLibrary(1)Inthelibrary,theimproperuseofmobilephonesis
becomingincreasinglyserious.Manystudentsarefoundtalkingloudlyon
phonesortakingaphoneinaudibleringingmodeintothelibrary.(2)There
isnodoubtthatthoseimpolitebehaviors(3)hoveanegativeinfluenceon
libraryreaders.(4)Foronething,mobilephonesareadistractionforthose
whousemobilephones,fortheycanhardly(5)concentrateonreading.(4)
Foranother,suchabehavior,causesdisturbancetootherleaders.It'svery
importantforthereaderstokeepaquietatmospheresincethelibraryisaplace
forstudyandresearch.Allstudentsshouldobeylibraryregulationsandkeep
quietinthelibrary.(6)iftheydoneedtousemobilephones,theycansettheir
mobilephonesinthesilencemodeandmakephonecallsindesignatedareas,
(7)suchasrestroomsandtheelevatorarea.(8)Inthisway,allthereadersin
thelibrarycanhelptocreateagoodatmosphereand(9)benefitfromreading.
解析:[审题]本题要求写一篇议论文。“限制在图书馆里使用手机”是
大学生相当熟悉的话题,很容易拓展内容。同时注意所给的建议要合理、
具有说服力。
[思路]
第一段点明在图书馆内手机使用泛滥;
第二段说明此现象对读者所造成的影响;
第三段提出自己的建议。
2.SCHOOLBAGS:TOOHEAVYFORSCHOOLKIDSThesedaysweoften
hearschoolkidsgrumblingabouttheirheavyhomeworkload.Thisisnot
surprisingwhenweseetheirschoolbagsbulgingwithallsortsoftextbooks
andworkbooks.Theyarerequiredtotakesomanycoursesthattheyhaveto
situplatestrugglingwiththeirassignments.Inspiteoftheclamorofthe
publicforanendtothissituationtheexcessivepressureimposedonthepupils
hasnotbeenrelieved.Thereasonsforthisarenotdifficulttofigureout.First
agreatpartofthepressurecomesfromtheparentswhohavegonealllengths
tohelptheirchildrenimproveacademicperformanceandurgethemforearly
intellectualachievements:callinginprivatetutorsorsendingthemoutto
varioustutoringcenters.Pupilsatlargeseemtobedrivenbyonemessage:
Excelinacademicperformance.Ithasinfactbeenechoingintheirheadsever
sincetheystartedschool.Theyhavebeenpushedtoscorehightestwelland
finishfirst.Ontheotherhandteachersshouldbeheldresponsibletoo.To
themscoresarenotonlythemarkofsuccessorfailureforaparticularstudent
butalsoameasureofprofessionalperformanceoftheirown.Manyofthem
donot-trywithgreateffortstoenhanceefficiencybyimprovingtheirteaching
methods.Insteadtheyjustassignmoredrillsandexercisesthrustmorebooks
intothepupils'backpacksandstufftheirheadswithasmanyrulesorfactsas
possible.Moreandmorepeoplearecryingoutfor"lighteningkids*
schoolbags/1lbmyminditappearscomparativelyeasytorelievepupilsof
somepressure—toassignlesshomeworkandtocutoffafewcourses——
althoughitcallsformuchcareandeffortsonthepartofbothteachersand
parents.Butwhatismoreimportantisto"humanize"thecurrenteducational
system-tomakeeducationreadyforthefuture.Justasmanyeducatorshave
pointedoutwhenitcomestoachild'swell-beingweshouldbeasconcerned
withcharacteraswithsuccess.Ifwehaverearedawell-manneredgood
decentpersonweshouldtakepleasureandprideinthatfact.Morelikelythan
notifwehaveachievedthesegoalsthechild'ssuccesswilltakecareof
itself.SCHOOLBAGS:TOOHEAVYFORSCHOOLKIDSThesedayswe
oftenhearschoolkidsgrumblingabouttheirheavyhomeworkload.Thisis
notsurprisingwhenweseetheirschoolbagsbulgingwithallsortsof
textbooksandworkbooks.Theyarerequiredtotakesomanycoursesthatthey
havetosituplatestrugglingwiththeirassignments.Inspiteoftheclamorof
thepublicforanendtothissituation,theexcessivepressureimposedonthe
pupilshasnotbeenrelieved.Thereasonsforthisarenotdifficulttofigureout.
First,agreatpartofthepressurecomesfromtheparents,whohavegoneall
lengthstohelptheirchildrenimproveacademicperformanceandurgethem
forearlyintellectualachievements;callinginprivatetutorsorsendingthem
outtovarioustutoringcenters.Pupilsatlargeseemtobedrivenbyone
message:Excelinacademicperformance.Ithas,infact,beenechoingintheir
headseversincetheystartedschool.Theyhavebeenpushedtoscorehigh,
testwell,andfinishfirst.Ontheotherhand,teachersshouldbeheld
responsible,too.Tothem,scoresarenotonlythemarkofsuccessorfailure
foraparticularstudentbutalsoameasureofprofessionalperformanceoftheir
own.Manyofthemdonot-trywithgreateffortstoenhanceefficiencyby
improvingtheirteachingmethods.Instead,theyjustassignmoredrillsand
exercises,thrustmorebooksintothepupils1backpacks,andstufftheirheads
withasmanyrulesorfactsaspossible.Moreandmorepeoplearecryingout
for"lighteningkids'schoolbags."Tomymind,itappearscomparativelyeasy
torelievepupilsofsomepressure-toassignlesshomeworkandtocutoffa
fewcourses—althoughitcallsformuchcareandeffortsonthepartofboth
teachersandparents.Butwhatismoreimportantisto"humanize'*thecurrent
educationalsystem—tomakeeducationreadyforthefuture.Justasmany
educatorshavepointedout,whenitcomestoachild'swell-being,weshould
beasconcernedwithcharacteraswithsuccess.Ifwehaverearedawell-
mannered,good,decentperson,weshouldtakepleasureandprideinthatfact.
Morelikelythannot,ifwehaveachievedthesegoals,thechild'ssuccesswill
takecareofitself.
3.HowtoReduceStressandTensionModernlifeisstressful.Wecompetein
studyatworkandinsportsactivities.Wetrytosavetimeandtrytoearnas
muchmoneyaspossibleinordertopossesscarsbetterhousesorgoon
holidayssothatwecanrelaxafterbecomingsotenseandtired.Weoftenfind
weareoverwhelmedwiththefollowingsignsinourselvesorinotherpeople:
irritabilityfussinessgloominesssuspicionindecisionexcitabilityrestlessness
lackofconcentrationunsociabilitylossofappetiteovereatingsleeplessness
drinkingsmokingworryingtensionetc.Manyofustrytogetfidofthesigns
ofstressinsteadofthecause.Someofusmaytakesleepingpillsortryto
controlthevarioussignsonotherways.Butthesatisfactorywayofstopping
stressistofindthecauseofit.Wemaynotbeabletochangethecauseofthe
stressbutunderstandingitwillprobablyhelp.Forexampleitmaybethedeath
ofillnessofafriendthefearforthelossofourjobormoneyworriesandwe
canprobablydonothingtochangethese.Itmaybeconflictinsideourselves.
Perhapswefeelweoughttodosomethingbutwedon'twantto.Wemayhave
mixedfeelingsaboutsomeoneorsomethinganddon'tknowwhattodo.All
wecandoistoexamineourselvesanddowhatwefeelisfight.Itmayalsobe
helpfultotalktosomeoneaboutit.HowtoReduceStressandTensionModern
lifeisstressful.Wecompeteinstudy,atworkandinsportsactivities.Wetry
tosavetimeandtrytoearnasmuchmoneyaspossibleinordertopossess
cars,betterhouses,orgoonholidayssothatwecanrelaxafterbecomingso
tenseandtired.Weoftenfindweareoverwhelmedwiththefollowingsigns
inourselvesorinotherpeople:irritability,fussiness,gloominess,suspicion,
indecision,excitability,restlessness,lackofconcentration,unsociability,loss
ofappetite,overeating,sleeplessness,drinking,smoking,worrying,tension,
etc.Manyofustrytogetfidofthesignsofstressinsteadofthecause.Some
ofusmaytakesleepingpillsortrytocontrolthevarioussignsonotherways.
Butthesatisfactorywayofstoppingstressistofindthecauseofit.Wemay
notbeabletochangethecauseofthestress,butunderstandingitwillprobably
help.Forexample,itmaybethedeathofillnessofafriend,thefearforthe
lossofourjobormoneyworriesandwecanprobablydonothingtochange
these.Itmaybeconflictinsideourselves.Perhapswefeelweoughttodo
somethingbutwedon'twantto.Wemayhavemixedfeelingsaboutsomeone
orsomethinganddon'tknowwhattodo.Allwecandoistoexamine
ourselvesanddowhatwefeelisfight.Itmayalsobehelpfultotalkto
someoneaboutit.
4.MyViewon"Moonlite"Moonliteisatermreferringtothosepeoplewho
exhausttheirearningseverymonthwithoutanysavings.Withtheacceleration
ofglobalizationitseemsthattheavailabilityofvariouscoMyViewon
"Moonlite"Moonliteisatermreferringtothosepeoplewhoexhausttheir
earningseverymonthwithoutanysavings.Withtheaccelerationof
globalization,itseemsthattheavailabilityofvariousco
5.OnStressOneofthefactorsthatleadtothedropofhappinessindexin
modernsocietyisthatpeoplearelivingundergreatpressure.Somepeople
areafraidofpressure.Theythinkthatstresswilldeprivethemofjoyand
happinessandthencausebothphysicalandmentalproblem.Thatiswhythey
prefersomethinglesscompetitivetosomethingmoredemandingand
challenging.Othersarguethatstressisn*tasbadasitisoftensupposedtobe.
Actuallyacertainamountofstressisnecessarytoprovidemotivationand
stimulation.Withoutstressyoumayslackoffanddreamawayyourtime.
Withoutstressyourlifewillbecomemeaninglessanddull.Peopleneeda
certainstresstobringtheirpotentialintofullplay.Inmyopinionweshouldn't
escapefromstressbutfaceitbravely.Whatwecandoistoadapttothestress
andtoprofitfromitratherthantoavoidit.Ofcourseitshouldn'tbe
overwhelming.OnStressOneofthefactorsthatleadtothedropofhappiness
indexinmodemsocietyisthatpeoplearelivingundergreatpressure.Some
peopleareafraidofpressure.Theythinkthatstresswilldeprivethemofjoy
andhappinessandthencausebothphysicalandmentalproblem.Thatiswhy
theyprefersomethinglesscompetitivetosomethingmoredemandingand
challenging.Othersarguethatstressisn*tasbadasitisoftensupposedtobe.
Actually,acertainamountofstressisnecessarytoprovidemotivationand
stimulation.Withoutstress,youmayslackoffanddreamawayyourtime.
Withoutstress,yourlifewillbecomemeaninglessanddull.Peopleneeda
certainstresstobringtheirpotentialintofullplay.Inmyopinion,weshouldn't
escapefromstressbutfaceitbravely.Whatwecandoistoadapttothestress
andtoprofitfromitratherthantoavoidit.Ofcourseitshouldn'tbe
overwhelming.解析:按照指令所给出的3点,我们可以看出这是一篇
正反观点对比的议论文。可将这篇作文写成3段。第1段说明人们害怕
压力的两个原因。第2段对比第一段提出相反的观点:压力不像人们想
象的那样糟糕,适度的压力有利于人的身心。第3段亮明自己的观点:
我们应适应压力,从压力中获益。
6.THEMARVELSOFMEDICINEINTHETWENTIETHCENTURY
Lookingbackthetwentiethcenturyhasseennumerousscientificand
technologicachievementsandwhatstandouthighaboveothersareadvances
inmedicalscience.Theirresultshaveclearlybeenshowninthreeareas
developmentofvaccinesandantibioticsdiscoveriesofnewdiagnosis
methodsandtheadventofgeneticengineeringasanewbranchoflearning.
Eversincemedicalresearchersstartedtodevisewaysofpreventinggerms
invadingthebodyandoffightingthemoncetheydidthequalityoflifefor
peopleintheworldhasremarkablyimproved.Todaysmallpoxisaforgotten
diseaseandvaccinationsarenolongerrequired.Polioisundercontrolandthe
vaccineiswidelyavailable.Thedevelopmentofsuchantibioticsaspenicillin
hashelpedmanypeoplerecoverfromseriousillness.Overthepastdecades
moreandmoredoctorshavecometorealizetheimportanceofdetecting
changesinthebodyatanearlystage.Modemdiagnosisbeganintheearly
1900swiththediscoveryofX-rays.Withthepassageoftimenewmethods
forviewingtheinteriorofthebodywerebroughtoutoneafteranother.In
recentyearsultrasonicwavesmagneticresonanceandothertechniqueshave
madeitpossibletodetectanythinginthebodythatisbeginningtobe
abnormal.Medicaladvanceshavebeenmovinginevenmorefundamental
directions.Scientistshavefoundthatthebodymachineryisdirectedbythe
genes.Researchesinthisfieldhaveevolvedintoanewbranchoflearning一
geneticengineering.Itwasonlyinthe1950sthatscientistsdiscoveredthe
kindofstructuresthegeneshave.Andattheendofthetwentiethcenturythe
first"roughmap"ofthehumangeneticcodewascompleted.Thiswasreferred
toasa"majorscientificmilestone"whichmightleadtoamorefullyunder
standingofthegenesthatmakepeoplesusceptibletocancerAIDS
Parkinson'sorAlzheimer's.Witheachimportantdiscoverythepracticeof
medicinehasundergonearevolution.Themedicaladvancesmadeinthe
twentiethcenturyhavenotonlyimprovedthelivesofmanypeoplebutalso
laidasolidfoundationforfurtherdevelopmentinmedicine.AndIdobelieve
thatinthe21stcenturyscientistswillworkevengreaterwondersinthearea
ofmedicalscienceandeventuallyfindcurestowhatarenowcalled
''incurable*'diseases.THEMARVELSOFMEDICINEINTHE
TWENTIETHCENTURYLookingback,thetwentiethcenturyhasseen
numerousscientificandtechnologicachievements,andwhatstandouthigh
aboveothersareadvancesinmedicalscience.Theirresultshaveclearlybeen
showninthreeareas,developmentofvaccinesandantibiotics,discoveriesof
newdiagnosismethods,andtheadventofgeneticengineeringasanew
branchoflearning.Eversincemedicalresearchersstartedtodevisewaysof
preventinggermsinvadingthebody,andoffightingthemoncetheydid,the
qualityoflifeforpeopleintheworldhasremarkablyimproved.Today
smallpoxisaforgottendisease,andvaccinationsarenolongerrequired.Polio
isundercontrolandthevaccineiswidelyavailable.Thedevelopmentofsuch
antibioticsaspenicillinhashelpedmanypeoplerecoverfromseriousillness.
Overthepastdecadesmoreandmoredoctorshavecometorealizethe
importanceofdetectingchangesinthebodyatanearlystage.Modern
diagnosisbeganintheearly1900swiththediscoveryofX-rays.Withthe
passageoftime,newmethodsforviewingtheinteriorofthebodywere
broughtoutoneafteranother.Inrecentyears,ultrasonicwaves,magnetic
resonanceandothertechniqueshavemadeitpossibletodetectanythingin
thebodythatisbeginningtobeabnormal.Medicaladvanceshavebeen
movinginevenmorefundamentaldirections.Scientistshavefoundthatthe
bodymachineryisdirectedbythegenes.Researchesinthisfieldhaveevolved
intoanewbranchoflearning—geneticengineering.Itwasonlyinthe1950s
thatscientistsdiscoveredthekindofstructuresthegeneshave.Andattheend
ofthetwentiethcenturythefirstUroughmap"ofthehumangeneticcodewas
completed.Thiswasreferredtoasa"majorscientificmilestone,"whichmight
leadtoamorefullyunderstandingofthegenesthatmakepeoplesusceptible
tocancer,AIDS,Parkinson'sorAlzheimer's.Witheachimportantdiscovery,
thepracticeofmedicinehasundergonearevo
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