职称英语理工类完形填空练习教材外文档格式.docx
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1AfromBofCaboutDon
2AoftenBlookCsometimesDseem
3ArestBanotherCotherDothers
4AwithoutBbyCfromDupon
5AsayingBsayCsaidDsays
6AOnBInCFromDSince
7AtookupBtookonCtookoutDtookoff
8AforBaboutConDfrom
9AmissingBmissedCmissDmisses
10AandBorCnorDneither
11AalsoBnoCbarelyDhardly
12AwhichBthereCwhereDthat
13AinsteadofBexceptCbutDoutof
14ASimilarlyBFurthermoreCHoweverDTherefore
15AasBforCbyDfrom
第二篇:
TheInventionofthetelephone
Inthenineteenthcentury,theinventionofthetelegraphmadeitpossibletosendnoises,signals,andevenmusicoverwiresfromoneplacetoanother.However,thehumanvoice__1__thisway.Manyinventorstriedtofinda__2__tosendavoiceoverwires,andin1876someoftheireffortswerecrownedwithsuccess.___3___Americaninventors,AlexanderGrahamBellandElishaGray,__4__atalmostthesametime.TheUnitedStatesSupremeCourtfinallyhadtodecidewhichofthetwo__5__thefirstinventorofthetelephone.TheCourtdecided__6__Bell'
sfavor.
BorninEdinbrug,Scotland,Bellgrewupinafamily__7__wasveryinterestedinteachingpeopletospeak.Hisgrandfatherhadbeenanactorwholeft__8__toteachelocution;
hisfatherwasateacher__9__deaf-muteslearnhowtospeak.
However,probablynoneofthe__10__inventionsgaveBellthesamefeelingoftriumph__11__hehadonthedaywhenhespilledsomeacidfromhisbatteries.Itwasafterhehadworkedformonthstofindwaystosendsomethingmore__12__metallictwangsoverthewires.ThinkingWatson,__13__,wasinthenextroom,Bellcalled,"
Mr.Watson,__14__.Iwantyou."
Watsonwasnotinthenextroom.Hewasdowninhislaboratory,__15__tothereceiver.ToWatson'
ssurprise,heheardthewordsperfectly.HerantotellBellthenews:
thewireshadcarriedBell'
svoiceperfectly.
1.A)hadnevertraveledB)neverhadtraveled
C)wasnevertraveledD)neverwastraveled
2.A)solutionB)keyC)wayD)mean
3.A)TwoB)ThetwoC)ThetwoofD)Oftwo
4.A)wassucceededB)havesucceeded
C)succeededD)wassucceeding
5.A)wasB)tobeC)beingD)havingbeen
6.A)atB)onC)toD)in
7.A)thatB)whereC)inwhichD)who
8.A)atheatreB)theatreC)theatresD)thetreatre
9.A)whichwashelpedB)thatwashelped
C)whohelpedD)whohashelped
10.A)laterB)latterC)latelyD)afterwards
11.A)likeB)toC)whichD)as
12.A)ofB)/C)asD)than
13.A)beinghishelperB)washishelper
C)hishelperD)tobehishelper
14.A)comehereB)comeupC)goawayD)godown
15.A)besidesB)besideC)nextD)by
第三篇:
Earth'
sInnerCore
Scientistshavelongstruggledtounderstandwhatliesattheplanet'
scenter.Directobservationofitscenterisimpossible,soresearchersmust
(1)tootherevidence.
In1889,aGermanscientistdetectedasevereearthquakeinJapan.Geophysicistsconcludedthatshockwaves
(2)jolts(晃动)fromonesideofEarththroughthecentertotheotherside.Thenin1936,DanishgeophysicistIngeLehmannstudiedthewaves'
(3)todeterminethatwithinEarth'
scoreofmolten(熔化了的)ironliesasolidinnercore-but(4)thatcorewasmadeofeluded(难倒)her.OthergeophysicistsquicklydeterminedthatLehmann'
sinnercorewascomposedmostly(5)iron.Sincethen,Lehmann'
sdiscoveryhas(6)conventionalEarthscience.
Butnowscientistsarechallengingtraditionaltheorywithnewandradical(7).Forexample,Earth'
scentercouldactuallycontainan"
innercorewithintheinnercore,"
claimIshiiandcolleagueAdamDziewonski.
Analyzinghundredsofthousandsofearthquakewave(8),theymaintainthattheinnercorehasatitsheartatiny,evenmoresolidsphere(球体).Thissphere"
maybetheoldestfossil(9)fromtheformationofEarth,"
saysDziewonski.
DziewonskiandIshiispeculatethatshortly(10)Earthformedaround4.8billionyearsago,agiantasteroid(小行星)smashedintotheyoungplanetandnearlymeltedit.ButEarth'
scenterdidn'
tquitemelt;
it(11)massastheplanetcooled.Thecorewithinacoremaybethekernel(核心)thatendured."
Itspresencecouldchangeourbasicideasaboutthe(12)oftheplanet,"
Dziewonskisays.
Dziewonski'
sideaistame(温和的)comparedtothe(13)theoriesofindependentgeophysicistJ.MarvinHerndon.Earth'
sinnercoreismadenotofiron,heclaims,buta(14)ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion:
Withinthenickelsilicide(硅化物)innercoreisalsoan"
inner"
innercore-an8km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinkstheuraniumreleasesheatenergyasitsatoms(15)fission-splitandcrashintooneanotherinachainreaction.Inotherwords,wemayliveontopofagigantic,"
natural"
nuclearpowerplant.
1AtryBleaveCturnDpoint
2AcreateBreceiveCfeelDovercome
3AworkBsolutionCjobDpatterns
4AwhetherBwhatCwhyDhow
5AfromBwithinCofDto
6AfollowedBdominatedCrestoredDopposed
7AideasBdemandsCphenomenaDmovements
8AthingsBactsCmethodsDrecords
9AtakenBbenefitedCleftDkept
10AafterBbeforeCsinceDwhen
11AexpandedBmodifiedCgainedDmelted
12AsizeBoriginCstructureDshape
13AradicalBtraditionalCclassicalDconventional
14AsystemBcopyCmodelDcompound
15AchargeBlastCexperienceDshow
第四篇:
HighwaysintheUnitedStates
TheUnitedStatesiswell-knownforitsnetworkofmajorhighwaysdesignedtohelpadrivergetfromoneplacetoanotherintheshortestpossibletime.__1__thesewidemodernroadsaregenerally__2__andwellmaintained,withfewsharpcurvesand__3__straightsections,adirectrouteisnotalwaysthemost__4__one.Largehighwaysoftenpass__5__scenicareasandinterestingsmalltowns.Furthermore,thesehighwaysgenerally__6__largeurbancenterswhichmeansthattheybecomecrowdedwith__7__trafficduringrushhours,__8__the"
fast,direct"
waybecomesaveryslowroute.However,thereisalmostalwaysanotherrouteto__9__ifyouarenotinahurry.Notforfromtherelativelynew"
superhighways"
thereareoftenolder,__10__heavilytraveledroadswhichgothroughthecountryside.__11__aregoodlaneroads;
othersareunevenroadscurving__12__thecountry.Thesesecondaryroutesmaygoupsteepslopes,alonghillycliffsordownfrighteninghillsidestotowns__13__indeepvalleys.Thoughtheseareless__14__routes,longerandslower,theygenerallygotoplaces__15__theairiscleanandthesceneryisbeautiful,andthedrivermayhaveachancetogetafresh,cleanviewoftheworld.
1.A)Although B)But C)Since D)Because
2. A)uneven B)bumpy C)rough D)smooth
3. A)little B)much C)many D)few
4. A)terrible B)horrible C)tolerable D)enjoyable
5. A)to B)into C)at D)by
6. A)merge B)connect C)combine D)mix
7. A)busy B)small C)large D)heavy
8. A)when B)where C)which D)that
9. A)walk B)go C)take D)fix
10. A)more B)less C)very D)extremely
11. A)Allofthese B)Noneofthese C)Allroads D)Someofthese
12. A)outof B)out C)through D)from
13. A)lying B)lie C)lies D)lay
14. A)direct B)indirect C)enjoyable D)beautiful
15. A)these B)which C)that D)where
第五篇:
VibratingRubberCellphones
Vibratingrubbercellphonescouldbethenextbigthinginmobilecommunications.Theyallowpeopletopressthephone1:
otransmitvibrationsalongwiththeir(51)words.AccordingtoaresearchteamattheMITMediaLabinCambridge,Massachusetts,theideawillmake(52)morefun.
Manymobilephonescanalreadyvibrateinsteadofringing(53)youdonotwantpeopletoknowyouaregettingacall.Butthese(54)aretoosimpleforsubtle(敏感的)communication,(55)AngelaChangofthelab'
sTangibleMediaGroup."
They'
reeitheronoroff,"
shesays.
ButwhenyouholdChang'
srubbercellphone,yourfingersandthumbwraparoundfive(56)speakers.Theyvibrate(57)yourskinaround250ti