课程说明教学内容：练习和讲解passage34/35/36/37教学对象：用心听的，有纸笔的，写作业的教学目标：应急性学习专升本阅读，提高
考试成绩教学方法：演绎，归纳，思维导图教学流程:讲解总结练习育人博才教育专升本阅读育人博才教育阅读备考方案1
.刷题----提高速度2.刷词----提高熟练度3.总结----提高应试能力育人博才教育阅读流程展示育人博才教育2
6.Hearingdamageorlossmaybecausedby___.A.loudmus
ic B.thesoundofajetairplaneormachinesC.commonsoundsat
homeoratworkD.alloftheabove27.Thepassagesuggeststhaton
e’shearing__ .a)willbedamagedevenifhehearsaloudnoisef
oralittlemorethanonesecondb)willbedamagedevenifhehear
saloudnoiseforalittlelessthanonesecondc)willnotbedam
agedevenifhehearsaloudnoiseforalittlemorethanonesec
ondd)willnotbedamagedevenifhehearsaloudnoiseforalitt
lelessthanonesecondDoctorshaveknownforalongtimethat
extremelyloudnoisescancausehearingdamageorloss.Thenoise
canbethesoundofajetairplaneormachinesinfactoriesorl
oudmusicorothercommonsoundsfoundathomeoratwork.Apers
ononlyneedstohearthenoiseforalittlemorethanonesecond
tobeaffected.Passage42育人博才教育28.Accordingtothispassage,we
candrawaconclusionthataspirin_ .a)shouldneverbetakenmo
rethanfourgramsadayb)makeshearingdamagefromnoiseworsec)
decreaseshearingdamagebytwotimesd)shouldneverbetakenfor
morethantwodays29.MillionsofAmericansareindangerofsuffe
ringhearinglossfromloudnoisebecausethey___a)taketoomuch
aspirinB.likelisteningtoloudmusicC.makeloudnoiseathome
andatwork D.oftentakejetairplanes30.Thescientistfoundfr
omhisexperimentthat___adayfortwodayswouldaffectapers
on''shearing.A.onegramofaspirin B.twogramsofa
spirinC.threegramsofaspirin D.fourgramsofaspirin?AnAme
ricanscientisthasfoundthatusingaspirincanincreasethetem
poraryhearinglossordamagefromloudnoise.Hedidanexperime
nt,usinganumberofmalestudentsatauniversitywhoallhadn
ormalhearing.Hegavethemdifferentamountsofaspirinfordiff
erentperiodsoftime,andthenhetestedtheirhearingability.
Hefoundthatthestudentswhoweregivenfourgramsofaspirina
dayfortwodayssufferedmuchgreatertemporaryhearinglossth
anthosewhodidnotuseaspirin.Thehearinglosswasabouttwo
timesasgreat.ThescientistsaidmillionsofpeopleintheUnit
edStatesusemuchlargeramountsofaspirinthanwereusedinth
estudy.Hesaidthesepeoplefaceaseriousdangerofsuffering
hearingtossfromloudnoise.Passage42育人博才教育1.Doctorshavekn
ownforalongtimethatextremelyloudnoisescancausehearing
damageorloss.2.Thenoisecanbethesoundofajetairplaneo
rmachinesinfactoriesorloudmusicorothercommonsoundsfoun
dathomeoratwork.3.Apersononlyneedstohearthenoisefo
ralittlemorethanonesecondtobeaffected.4.AnAmericansc
ientisthasfoundthatusingaspirincanincreasethetemporaryh
earinglossordamagefromloudnoise.5.Hedidanexperiment,u
singanumberofmalestudentsatauniversitywhoallhadnormal
hearing.育人博才教育6.Hegavethemdifferentamountsofaspirinfor
differentperiodsoftime,andthenhetestedtheirhearingabili
ty.7.Hefoundthatthestudentswhoweregivenfourgramsofas
pirinadayfortwodayssufferedmuchgreatertemporaryhearing
lossthanthosewhodidnotuseaspirin.8.Thehearinglosswasa
bouttwotimesasgreat.9.Thescientistsaidmillionsofpeople
intheUnitedStatesusemuchlargeramountsofaspirinthanwer
eusedinthestudy.10.Hesaidthesepeoplefaceaseriousdang
erofsufferinghearingtossfromloudnoise.育人博才教育31.Britishpe
opleprefer____.a)flatstodetachedhousesB.cottagestoflatsC
.modernhousestooldhouses D.citylifetocountrylife32.Aga
rdenisconsideredtobedesirablebecause___.a)it’sBr
itish B.itappearsruralC.gardeningispopular D.childrenlike
gardensAlarge,detached(独立的)housenotonlyensuresprivacy.
Itisalsoastatussymbol.The“magnificenthome”issetinabi
ggarden.Ofcourse,thiskindofhouseisanunrealisticdreamf
ormostpeople.Butevenasmalldetachedhouse,surroundedbya
garden,givestherequiredsuggestionofrurallifewhichisdear
totheheartsofmanyBritishpeople.Mostpeoplewouldbehappy
toliveinacottage(村舍),andifthisisathatched(茅草的)cott
age,suggestiveofapre-industrialage,somuchthebetter.Passa
ge43育人博才教育33.Britishpeopledon’tliketoliveinblocksofflat
sbecause____.a)theywantmoreprivacy B.flatsaretoosmallC.
flatsareinexpensiveareas D.theydisliketheneighborsthere
34.Comparedwiththe19thcenturyhouses,thenewhigh-riseblock
s_ .a)wereinbetterlocations B.werewarmlywelcomedC.weremu
chbetterequipped D.weremuchmoreexpensive35.Whichofthefol
lowingmightbethebesttitleofthispassage?a)BritishCultureB
.Houses,NotFlatsC.BritishDreamD.KindsofHousesMostp
eopletrytoavoidlivinginablockofflats(whattheAmericans
call“apartmentblocks”).Flats,theyfeel,providetheleastam
ountofprivacy.Withafewexceptions,mostlyincertainlocatio
nsincentralLondon,flatsarethecheapestkindofhome.Thepe
oplewholiveinthemarethosewhocannotaffordtoliveanywher
eelse.Thedislikeoflivinginflatsisverystrong.Inthe195
0smillionsofpoorerpeoplelivedinold,cold,uncomfortableni
neteenthcenturyhouses,oftenwithonlyanoutsidetoiletandno
bathroom.Duringthenexttwentyyearsmanyofthemweregivenn
ew“highrise”blocksofflatstoliveinwhich,withcentralhea
tingandbathrooms,weremuchmorecomfortableandweresurrounde
dbygrassyopenspaces.Butpeoplehatedtheirnewhomes.Theys
aidtheyfeltcutofffromtheworldwithallthosefloorsup.Th
eymissedtheneighborliness.Theycouldn’tkeepawatchfuleyeo
ntheirchildrenplayingdownthereinthoselovelygreenspaces.
Thenewhigh-riseblocksquicklygotbroken.Theliftsdidn’two
rk.Thecorridorsweredark.Windowsweredamagedandwerenotre
paired.Therewasgraffitialloverthewalls.Passage43育人博才教育A
large,detached(独立的)housenotonlyensuresprivacy.Itisalso
astatussymbol.The“magnificenthome”issetinabiggarden.
Ofcourse,thiskindofhouseisanunrealisticdreamformostpe
ople.Butevenasmalldetachedhouse,surroundedbyagarden,gi
vestherequiredsuggestionofrurallifewhichisdeartothehe
artsofmanyBritishpeople.Mostpeoplewouldbehappytolivei
nacottage(村舍),andifthisisathatched(茅草的)cottage,sugge
stiveofapre-industrialage,somuchthebetter.Mostpeopletr
ytoavoidlivinginablockofflats(whattheAmericanscall“a
partmentblocks”).Flats,theyfeel,providetheleastamountof
privacy.Withafewexceptions,mostlyincertainlocationsince
ntralLondon,flatsarethecheapestkindofhome.Thepeoplewho
liveinthemarethosewhocannotaffordtoliveanywhereelse.
Thedislikeoflivinginflatsisverystrong.Inthe1950smilli
onsofpoorerpeoplelivedinold,cold,uncomfortablenineteenth
centuryhouses,oftenwithonlyanoutsidetoiletandnobathroo
m.Duringthenexttwentyyearsmanyofthemweregivennew“high
rise”blocksofflatstoliveinwhich,withcentralheatingand
bathrooms,weremuchmorecomfortableandweresurroundedbygra
ssyopenspaces.Butpeoplehatedtheirnewhomes.Theysaidthey
feltcutofffromtheworldwithallthosefloorsup.Theymisse
dtheneighborliness.Theycouldn’tkeepawatchfuleyeontheir
childrenplayingdownthereinthoselovelygreenspaces.Thenew
high-riseblocksquicklygotbroken.Theliftsdidn’twork.The
corridorsweredark.Windowsweredamagedandwerenotrepaired.
Therewasgraffitialloverthewalls.育人博才教育Aroundtheworldmore
andmorepeoplearetakingpartindangeroussportsandactiviti
es.Now,therearepeoplewholookforanimmediateexcitementfr
omariskyactivitywhichmayonlylastafewminutesorevensec
onds.Iwouldconsiderbungeejumping(蹦极)tobeagoodexample
ofsuchanactivity.Youjumpfromahighplace200metersabove
thegroundwithanelastic(弹性的)ropetiedtoyourfeet.Youfall
atupto150kilometersanhouruntiltheropestopsyoufromhi
ttingtheground.Itissaidthatabout2millionpeoplearoundt
heworldhavenowtriedbungeejumping.Otheractivitieswhichmo
stpeoplearoundtheworldhavenowtriedbungeeincludejumping
fromtallbuildingsanddivingintotheseafromthetopofhigh
cliffs.Whydopeopletakepartinsuchactivitiesasthese?Some
psychologistssuggestthatitisbecauselifeinmodernsocietie
shasbecomesafeandboring.Notverylongago,people''slivesw
ereconstantlyindanger.Theyhadtogooutandhuntforfood,d
iseasescouldnoteasilybecured,andlifewasacontinuousbatt
leforsurvival.Nowadays,accordingtomanypeople,lifeoffers
littleexcitement.Theyliveandworkinquitesafeconditions;t
heybuyfoodinshops,andtherearedoctorsandhospitalstoloo
kafterthembecomeill.Theanswerforsomeofthesepeopleist
olookfordangerinactivitiessuchasbungeejumping.1.Alar
ge,detached(独立的)housenotonlyensuresprivacy.Itisalsoas
tatussymbol.2.The“magnificenthome”issetinabiggarden.3
.Ofcourse,thiskindofhouseisanunrealisticdreamformost
people.4.Butevenasmalldetachedhouse,surroundedbyagard
en,givestherequiredsuggestionofrurallifewhichisdearto
theheartsofmanyBritishpeople.5.Mostpeoplewouldbehappy
toliveinacottage(村舍),andifthisisathatched(茅草的)cotta
ge,suggestiveofapre-industrialage,somuchthebetter.6.Mos
tpeopletrytoavoidlivinginablockofflats(whattheAmeric
anscall“apartmentblocks”).育人博才教育Aroundtheworldmoreandmor
epeoplearetakingpartindangeroussportsandactivities.Now,
therearepeoplewholookforanimmediateexcitementfromaris
kyactivitywhichmayonlylastafewminutesorevenseconds.I
wouldconsiderbungeejumping(蹦极)tobeagoodexampleofsuch
anactivity.Youjumpfromahighplace200metersabovethegrou
ndwithanelastic(弹性的)ropetiedtoyourfeet.Youfallatupt
o150kilometersanhouruntiltheropestopsyoufromhittingth
eground.Itissaidthatabout2millionpeoplearoundtheworld
havenowtriedbungeejumping.Otheractivitieswhichmostpeopl
earoundtheworldhavenowtriedbungeeincludejumpingfromtal
lbuildingsanddivingintotheseafromthetopofhighcliffs.
Whydopeopletakepartinsuchactivitiesasthese?Somepsychol
ogistssuggestthatitisbecauselifeinmodernsocietieshasbe
comesafeandboring.Notverylongago,people''sliveswerecons
tantlyindanger.Theyhadtogooutandhuntforfood,diseases
couldnoteasilybecured,andlifewasacontinuousbattlefors
urvival.Nowadays,accordingtomanypeople,lifeofferslittlee
xcitement.Theyliveandworkinquitesafeconditions;theybuy
foodinshops,andtherearedoctorsandhospitalstolookafter
thembecomeill.Theanswerforsomeofthesepeopleistolookf
ordangerinactivitiessuchasbungeejumping.Flats,theyfeel,
providetheleastamountofprivacy.Withafewexceptions,mostl
yincertainlocationsincentralLondon,flatsarethecheapest
kindofhome.Thepeoplewholiveinthemarethosewhocannotaf
fordtoliveanywhereelse.Thedislikeoflivinginflatsisvery
strong.Inthe1950smillionsofpoorerpeoplelivedinold,col
d,uncomfortablenineteenthcenturyhouses,oftenwithonlyanou
tsidetoiletandnobathroom.Duringthenexttwentyyearsmanyo
fthemweregivennew“highrise”blocksofflatstoliveinwhic
h,withcentralheatingandbathrooms,weremuchmorecomfortable
andweresurroundedbygrassyopenspaces.育人博才教育Aroundtheworl
dmoreandmorepeoplearetakingpartindangeroussportsandac
tivities.Now,therearepeoplewholookforanimmediateexcitem
entfromariskyactivitywhichmayonlylastafewminutesorev
enseconds.Iwouldconsiderbungeejumping(蹦极)tobeagoodex
ampleofsuchanactivity.Youjumpfromahighplace200meters
abovethegroundwithanelastic(弹性的)ropetiedtoyourfeet.Yo
ufallatupto150kilometersanhouruntiltheropestopsyouf
romhittingtheground.Itissaidthatabout2millionpeoplear
oundtheworldhavenowtriedbungeejumping.Otheractivitieswh
ichmostpeoplearoundtheworldhavenowtriedbungeeincludeju
mpingfromtallbuildingsanddivingintotheseafromthetopof
highcliffs.Whydopeopletakepartinsuchactivitiesasthese
?Somepsychologistssuggestthatitisbecauselifeinmodernso
cietieshasbecomesafeandboring.Notverylongago,people''sl
iveswereconstantlyindanger.Theyhadtogooutandhuntforf
ood,diseasescouldnoteasilybecured,andlifewasacontinuou
sbattleforsurvival.Nowadays,accordingtomanypeople,lifeo
fferslittleexcitement.Theyliveandworkinquitesafeconditi
ons;theybuyfoodinshops,andtherearedoctorsandhospitals
tolookafterthembecomeill.Theanswerforsomeofthesepeopl
eistolookfordangerinactivitiessuchasbungeejumping.But
peoplehatedtheirnewhomes.Theysaidtheyfeltcutofffromth
eworldwithallthosefloorsup.Theymissedtheneighborliness.
Theycouldn’tkeepawatchfuleyeontheirchildrenplayingdown
thereinthoselovelygreenspaces.Thenewhigh-riseblocksqui
cklygotbroken.Theliftsdidn’twork.Thecorridorsweredark.
Windowsweredamagedandwerenotrepaired.Therewasgraffitial
loverthewalls.育人博才教育36.Theauthorsuggestsyouchoose__ word
ssolongastheycanexpressyourmeaning.A.beautiful B.plain
C.special D.particular37.Inyourletterofapplication,tr
yto___.keepitaslongaspossible givemoreinformationabout
youreducationandtrainingC.covermoreofyouracademicreco
rd D.saybrieflywithenoughinformation38.Theunderlinedw
ord“referees”inParagraph2referstopeople_ .A.whoexamine
theapplicationletters B.whowritereferencebooks
fortheemployeesC.whosolveproblemsfortheemployers D.who
giveyoureferencelettersItisexcitingtoapplyforajobtha
treallyappealstoyou.Inmakingyourapplication,therearea
numberofpointsforyoutoobserve.Inyourletterofapplicatio
n,sayjustenoughtogiveagoodaccountofyourselfwithoutbei
ngwordy.Ifyouareansweringanadvertisement,anyinformation
forwhichitasksmust,ofcourse,begiven.Thiswillusuallyco
veryouracademicrecordandanyfurthereducationandtraining.
Youmayalsobeaskedtogivethenamesofoneortwopersonsto
supplyreferences.Forthispurposeyoushouldchoosepeoplewho
knowyouwellenoughtovouch(保证）foryourcharacterandability;
andtobepolite,youshouldseekinadvancetheirpermissionto
benamedasreferees.Passage44育人博才教育39.Theaimofwritingal
etterofapplicationisto__ .A.indicatewhyyouarethemosts
uitableforthejob B.revealtotheemployeryouracademicrecor
dC.showyourcharacterandabilityD.givemoreinformationabout
yourself40.Whichofthefollowingwouldbethebesttitlefort
hispassage?A.MakingaJobApplication B.EffectiveLette
rWritingC.WritingLetterstoEmployersD.WritingforAdvertise
mentsItwilldependoncircumstanceshowmuchyoucancarefully
addaboutyourself.Yourpurposeistobringtothenoticeofthe
employeranygoodreasonwhyyouratherthananyoftheotherap
plicantsshouldbechosenforthejob.Therefore，ifyoufeelyou
haveanyspecialskillortalentforthework,orparticularinte
restinthelineofthebusiness,letitbeknown.Finally,there
isyouruseoflanguage.Youcannotgowrongifyoukeepyourse
ntencesandparagraphsshort,makingsurethesenseisclearand
well-expressed.Chooseplainwordssolongastheyconveythemea
ning.Passage44育人博才教育Itisexcitingtoapplyforajobthatreal
lyappealstoyou.Inmakingyourapplication,thereareanumber
ofpointsforyoutoobserve.Inyourletterofapplication,say
justenoughtogiveagoodaccountofyourselfwithoutbeingwor
dy.Ifyouareansweringanadvertisement,anyinformationforwh
ichitasksmust,ofcourse,begiven.Thiswillusuallycoveryo
uracademicrecordandanyfurthereducationandtraining.Youma
yalsobeaskedtogivethenamesofoneortwopersonstosupply
references.Forthispurposeyoushouldchoosepeoplewhoknowy
ouwellenoughtovouch(保证）foryourcharacterandability;andt
obepolite,youshouldseekinadvancetheirpermissiontobena
medasreferees.Itwilldependoncircumstanceshowmuchyoucan
carefullyaddaboutyourself.Yourpurposeistobringtotheno
ticeoftheemployeranygoodreasonwhyyouratherthananyoft
heotherapplicantsshouldbechosenforthejob.Therefore，ifyo
ufeelyouhaveanyspecialskillortalentforthework,orpart
icularinterestinthelineofthebusiness,letitbeknown.Fin
ally,thereisyouruseoflanguage.Youcannotgowrongifyouk
eepyoursentencesandparagraphsshort,makingsurethesenseis
clearandwell-expressed.Chooseplainwordssolongastheycon
veythemeaning.在你的申请信里，用足够的话语来说明自己即可，不要话语冗长过多。为此，你应该选择对你足够了解的人来担
保你的人品和能力。为显礼貌，你应该提前征求对方的同意，把他们设为推荐人。你的目的是让雇主注意到，比起其他人来你才是工作的最佳人选。
如果你把句子和段落写的很短的话，就不能出错。要确保意思清晰，表达正确。育人博才教育Itisexcitingtoapply
forajobthatreallyappealstoyou.Inmakingyourapplication
,thereareanumberofpointsforyoutoobserve.Inyourletter
ofapplication,sayjustenoughtogiveagoodaccountofyourse
lfwithoutbeingwordy.Ifyouareansweringanadvertisement,an
yinformationforwhichitasksmust,ofcourse,begiven.Thisw
illusuallycoveryouracademicrecordandanyfurthereducation
andtraining.Youmayalsobeaskedtogivethenamesofoneort
wopersonstosupplyreferences.Forthispurposeyoushouldchoo
sepeoplewhoknowyouwellenoughtovouch(保证）foryourcharacte
randability;andtobepolite,youshouldseekinadvancetheir
permissiontobenamedasreferees.Itwilldependoncircumstan
ceshowmuchyoucancarefullyaddaboutyourself.Yourpurposei
stobringtothenoticeoftheemployeranygoodreasonwhyyou
ratherthananyoftheotherapplicantsshouldbechosenforthe
job.Therefore，ifyoufeelyouhaveanyspecialskillortalentf
orthework,orparticularinterestinthelineofthebusiness,
letitbeknown.Finally,thereisyouruseoflanguage.Youcann
otgowrongifyoukeepyoursentencesandparagraphsshort,maki
ngsurethesenseisclearandwell-expressed.Chooseplainwords
solongastheyconveythemeaning.会写的单词认识不会写的单词不认识的单词动词育人博才教育1
.Itisexcitingtoapplyforajobthatreallyappealstoyou.2
.Inmakingyourapplication,thereareanumberofpointsforyo
utoobserve.3.Inyourletterofapplication,sayjustenought
ogiveagoodaccountofyourselfwithoutbeingwordy.4.Ifyou
areansweringanadvertisement,anyinformationforwhichitasks
must,ofcourse,begiven.5.Thiswillusuallycoveryouracade
micrecordandanyfurthereducationandtraining.6.Youmayals
obeaskedtogivethenamesofoneortwopersonstosupplyrefe
rences.育人博才教育7.Forthispurposeyoushouldchoosepeoplewhokn
owyouwellenoughtovouch(保证）foryourcharacterandability;a
ndtobepolite,youshouldseekinadvancetheirpermissiontob
enamedasreferees.8.Itwilldependoncircumstanceshowmuchy
oucancarefullyaddaboutyourself.9.Yourpurposeistobring
tothenoticeoftheemployeranygoodreasonwhyyouratherthan
anyoftheotherapplicantsshouldbechosenforthejob.10.Th
erefore，ifyoufeelyouhaveanyspecialskillortalentforthe
work,orparticularinterestinthelineofthebusiness,letit
beknown.育人博才教育11.Finally,thereisyouruseoflanguage.12.Yo
ucannotgowrongifyoukeepyoursentencesandparagraphsshort
,makingsurethesenseisclearandwell-expressed.13.Choosep
lainwordssolongastheyconveythemeaning.育人博才教育41.Thepassag
egetsstartedby___ _.A.anintroduction B.anexampleC.aquesti
on D.aconclusion42.WhatdoyouknowaboutJaeKwon？A.Heis
teachingchemistryatMU. B.Hedevelopedachemica
lbattery.C.Hewasgoodatcomputerengineering. D.Heisworkin
gonanuclearenergysource.Batteriescanpoweranythingfroms
mallsensorstolargesystems.Whilescientistsarefindingways
tomakethemsmallerbutevenmorepowerful,problemscanarisew
henthesebatteriesaremuchlargerandheavierthanthedevices
themselves.TheresearchersatuniversityofMissouri(MU)arede
velopinganuclearenergysourcethatissmaller,lighterandmor
eefficient.“Toprovideenoughpower,weneedcertainmethodswi
thhighenergydensity(密度),”saidJaekwon,assistantprofessor
ofelectricalandcomputerengineeringatMU.“Theradioisotope
(放射性同位素)batterycanprovidepowerdensitythatismuchhigherth
anchemicalbatteries.”Kwonandhisresearchteamhavebeenwork
ingonbuildingasmallnuclearbattery,presentlythesizeandt
hicknessofapenny,intendedtopowervarioussystems.Although
nuclearbatteriescancauseconcerns,Kwonsaidtheyaresafe.Pas
sage45育人博才教育43.Whichofthefollowingistrueaccordingtopar
agraphs3and4？B.Thewriterintroducesmethodsofprovidingpowe
rdensity.C.Thewriterintendstodescribeanuclear-powersystem
.D.Thewriterintroducesnuclearbatteriesthatcanbesafelyuse
d.E.Thewriterislikelytoshowchemicalbatteriesarewidelyap
plied.44.Aliquidsemiconductorisusedto___ .A.controlthela
tticestructure B.showthepowerofnuclea
rbatteriesC.decreasethesizeofnuclearbatteriesD.reducethe
damagetolatticestructure45.Thepassageismostprobablyfrom
a__ .A.sciencenewsreport B.bookreviewC.sciencefict
ionnovel D.newspaperadvertisement（段4）“Peopleheartheword‘n
uclear’andthinkofsomethingverydangerous.”hesaid.“however
nuclearpowersourceshavealreadybeensafelypoweringavariet
yofdevices,suchaspace-makers,spacesatellitesandunderwate
rsystems.”Hisnewideaisnotonlyinthebattery’ssize,buta
lsoinitssemiconductor.Kwon’sbatteryusesaliquidsemiconduc
torratherthanasolidsemiconductor.“Thekeypartofusingar
adioactivebatteryisthatwhenyouharvesttheenergy,partoft
heradiationenergycandamagethelatticestructure（晶体结构）ofthe
solidsemiconductor,”Kwonsaid,“byusingaliquidsemiconductor
,webelievewecanminimizethatproblem.”TogetherwithJ.Davi
dRobertson,chemistryprofessorandassociatedirectoroftheMU
ResearchReactor,Kwonisworkingtobuildandtestthebattery.
Inthefuture,theyhopetoincreasethebattery’spower,shrink
itssizeandtrywithvariousothermaterials.Kwonsaidtheirb
atterycouldbethinnerthanthethicknessofhumanhair.Passage
45育人博才教育育人博才教育Batteriescanpoweranythingfromsmallsensors
tolargesystems.Whilescientistsarefindingwaystomakethem
smallerbutevenmorepowerful,problemscanarisewhentheseba
tteriesaremuchlargerandheavierthanthedevicesthemselves.
TheresearchersatuniversityofMissouri(MU)aredevelopingan
uclearenergysourcethatissmaller,lighterandmoreefficient.
“Toprovideenoughpower,weneedcertainmethodswithhighener
gydensity(密度),”saidJaekwon,assistantprofessorofelectric
alandcomputerengineeringatMU.“Theradioisotope(放射性同位素)bat
terycanprovidepowerdensitythatismuchhigherthanchemical
batteries.”Kwonandhisresearchteamhavebeenworkingonbuild
ingasmallnuclearbattery,presentlythesizeandthicknessof
apenny,intendedtopowervarioussystems.Althoughnuclearbatt
eriescancauseconcerns,Kwonsaidtheyaresafe.“Peopleheart
heword‘nuclear’andthinkofsomethingverydangerous.”hesaid
.“howevernuclearpowersourceshavealreadybeensafelypowerin
gavarietyofdevices,suchaspace-makers,spacesatellitesand
underwatersystems.”Hisnewideaisnotonlyinthebattery’ss
ize,butalsoinitssemiconductor.Kwon’sbatteryusesaliquid
semiconductorratherthanasolidsemiconductor.“Thekeypartof
usingaradioactivebatteryisthatwhenyouharvesttheenergy,
partoftheradiationenergycandamagethelatticestructure（晶体
结构）ofthesolidsemiconductor,”Kwonsaid,“byusingaliquidsem
iconductor,webelievewecanminimizethatproblem.”Togetherwi
thJ.DavidRobertson,chemistryprofessorandassociatedirector
oftheMUResearchReactor,Kwonisworkingtobuildandtestth
ebattery.Inthefuture,theyhopetoincreasethebattery’spow
er,shrinkitssizeandtrywithvariousothermaterials.Kwonsa
idtheirbatterycouldbethinnerthanthethicknessofhumanhai
r.MU大学的研究者们在研发更小更轻更高效的核能源。Kwon和他的团队致力于研发一种小核电池，尺寸和厚度等同于一便士，将被用来为各
种系统提供电力。然而，和能源已被用来为多种装置提供电力，比如心律调整器、太空卫星和水下设施。他新的想法不仅关注尺寸，还有电池的半导
体。比起固体半导体来，他倾向于使用液体半导体。部分射线会损坏放射性电池的固体半导体的晶体结构，kwon说，使用液体半导体，可以最大
限度减少损害。育人博才教育MU大学的研究者们在研发更小更轻更高效的核能源。Kwon和他的团队致力于研发一种小核电池，尺寸和厚度等
同于一便士，将被用来为各种系统提供电力。然而，和能源已被用来为多种装置提供电力，比如心律调整器、太空卫星和水下设施。他新的想法不仅
关注尺寸，还有电池的半导体。比起固体半导体来，他倾向于使用液体半导体。部分射线会损坏放射性电池的固体半导体的晶体结构，kwon说，
使用液体半导体，可以最大限度减少损害。Batteriescanpoweranythingfromsmallsensorstolargesystems.Whilescientistsarefindingwaystomakethemsmallerbutevenmorepowerful,problemscanarisewhenthesebatteriesaremuchlargerandheavierthanthedevicesthemselves.TheresearchersatuniversityofMissouri(MU)aredevelopinganuclearenergysourcethatissmaller,lighterandmoreefficient.4.“Toprovideenoughpower,weneedcertainmethodswithhighenergydensity(密度),”saidJaekwon,assistantprofessorofelectricalandcomputerengineeringatMU.育人博才教育5.“Theradioisotope(放射性同位素)batterycanprovidepowerdensitythatismuchhigherthanchemicalbatteries.”Kwonandhisresearchteamhavebeenworkingonbuildingasmallnuclearbattery,presentlythesizeandthicknessofapenny,intendedtopowervarioussystems.Althoughnuclearbatteriescancauseconcerns,Kwonsaidtheyaresafe.“Peopleheartheword‘nuclear’andthinkofsomethingverydangerous.”8.hesaid.“howevernuclearpowersourceshavealreadybeensafelypoweringavarietyofdevices,suchaspace-makers,spacesatellitesandunderwatersystems.”育人博才教育9.Hisnewideaisnotonlyinthebattery’ssize,butalsoinitssemiconductor.Kwon’sbatteryusesaliquidsemiconductorratherthanasolidsemiconductor.10.“Thekeypartofusingaradioactivebatteryisthatwhenyouharvesttheenergy,partoftheradiationenergycandamagethelatticestructure（晶体结构）ofthesolidsemiconductor,”Kwonsaid,“byusingaliquidsemiconductor,webelievewecanminimizethatproblem.”11.TogetherwithJ.DavidRobertson,chemistryprofessorandassociatedirectoroftheMUResearchReactor,Kwonisworkingtobuildandtestthebattery.12.Inthefuture,theyhopetoincreasethebattery’spower,shrinkitssizeandtrywithvariousothermaterials.13.Kwonsaidtheirbatterycouldbethinnerthanthethicknessofhumanhair.育人博才教育 |
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