职称英语专项练习题.docx
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职称英语专项练习题.docx
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职称英语专项练习题
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(一)、补全短文专项练习
训练要求:
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AllofUShavefeltpain.Wehavecutourselves.Wehavebeenburned.Orwehavehadheadaches.Someofussufferpainrarelypainrarely. 1
Paincantakecompletecontrolofourbodyandmind,makingitimpossibletomoveandeventothink.Yetweneedpain.Withoutit,wewouldnotknow.1fwehavehurtourselves.Itisourbody'swarningsystem. 2
PainisthemostcommonreasonwegotoadoctorItisthemostcommonreasonwetakemedicines.Untilrecently,however,mostdoctorsknewofonlyafewdrugsthatstoppedsomepains 3 Butnewknowledgeabouttheprocessofpainishelpingthemtocontrolpainbetter.
Scientistshavelearnedthatthesenseofpainismadeupofbothchemicalandelectricalsignals. 4 Scientistsalsohavelearnedthatthenervoussystemsendstwodifferentkindsofpainmessagestothebrain:
oneveryfast,theotherslow.Thefirstmessageisthewarningsignal.Itmovesataspeedof30metersasecond.Inlessthanasecond,thebrainunderstandsthatpartofthebodyishurtandhowbadlyitisinjured. 5 Ittellsusnottousetheinjuredpartuntilitheals.
AAndothershavepainfulattacksallthetime.
BThesesignalstravelfromnervecellsintheinjuredarea,upthespinalcord(脊髓)tothebrain,andbackdownagain.
CIttellsusthatWeareinjuredandshoulddosomethingaboutit
DTheyknewlittleabouttheprocessofpainitself.
ETheothermessagemovesataspeedofonly013~meterasecond.
FAndtheysendthesecond,slowermessageofpaintothebrain.
参考答案:
ACDBE
ConservationorWastedEffort?
Theblackrobin(旅鸫)isoneoftheworld'srarestbirds.Itisasmall,wildbird,anditlivesonlyontheislandofLittleMangere,offthecoastofNewZealand.In1967therewereaboutfiftyblackrobinsthere;in1977therewerefewerthanten._____1_____
Energeticstepsarebeingtakentopreservetheblackrobin._____2_____Theideaistobuyanotherislandnearbyasaspecialhome,a"reserve",forthreatenedwildlife,includingblackrobins.TheorganizerssaythatLittleMangereshouldthenberestocked(重新准备)withtherobin'sfood.ThousandsoftherequiredplantsareatpresentbeingcultivatedinNewZealand.
Isallthisconcernawasteofhumaneffort?
_____3_____Arewelosingoursenseofwhatisreasonableandwhatisunreasonable?
Intheearth'slong,longpasthundredsofkindsofcreatureshaveevolved,risentoadegreeofsuccessanddiedout.Inthelong,longfuturetherewillbemanynewanddifferentformsoflife.Thosecreaturesthatadaptthemselvessuccessfullytowhattheearthofferswillsurviveforalongtime._____4_____Thisisnature'sprovenmethodofoperation.
Theruleofselection——"thesurvivalofthefittest"——istheonebywhichhumanbeingshavethemselvesarrivedonthescene.We,beingoneofthemostadaptablecreaturestheearthhasyetproduced,maylastlongerthanmost._____5_____Youmaytakeitasanotherrulethatwhen,atlast,humanbeingsshowsignsofdyingout,noothercreaturewillextendapaw(爪)topostponeourdeparture.Onthecontrary,wewillbehurriedout.
Lifeseemstohavegrowntootoughforblackrobins.Ileaveyoutojudgewhetherweshouldtrytodoanythingaboutit.
ASomecreatures,certainsmallanimals,insectsandbirds,willalmostcertainlyoutlastman,fortheyseemevenmoreadaptable.
BThosethatfailtomeetthechallengeswilldisappearearly.
CDetailedstudiesaregoingon,andapublicappealformoneyhasbeenmade.
DBothrepresentordersintheclassificationoflife
EIsitanybusinessofourswhethertheblackrobinsurvivesordiesout?
FThesearetheonlyblackrobinsleftintheworld
参考答案:
FCEBA
LivingAloneIsJoyful
MoreandmoreAmericansarelivingalone.Somelivealonebecauseofdivorceorthedeathofapartner._1_AccordingtoarecentU.S.census(人口普查),25percentofallhouseholdsintheU.S.aremadeupofjustoneperson.Thisisadramaticchangefromtheextendedfamiliesofjustacoupleofgenerationsago.
Thetypicalpersonlivingaloneisneitheroldnorlonely.__2__Themajorityofthesepeoplehavechosentolivealone.Theyarerespondingtodecreasingsocialpressuretogetmarriedandhaveafamily.
It'snowsociallyacceptable,evenfashionable,tolivealone.Aspeoplegetbetterjobsandbecomefinanciallyindependent,itbecomespossibleforthemtomaintainaone-personhousehold.__3__However,peoplewhodogetmarriedaremarryingatalaterageanddivorcingmoreoften.
Thenumberonereasongivenbymostpeopleforlivingaloneisthattheysimplyenjoydoingwhattheywantwhentheywanttodoit."Livingaloneisaluxury,"saysNinaHagiwara,338."Onceyoudoit,youcan'tevergobacktolivingwithothers."DavidC-Debaca,46,agrees.__4__
Childrenthinkthatbeinggrownupmeansbeingabletodoexactlyastheyplease.__5__ThechancetodiscoverwhetherthatfreedomisaswonderfulasitsoundsisachancemoreandmoreAmericansaretaking.
AThere'smorepressuretogetmarriednowadays.
BThegrowingnumberofwomenwithgoodjobshasdonemuchtoincreasethenumberofpeoplelivingalone.
CHowever,evenmorepeoplearelivingalonebecausetheyhavechosento.
DItseemsthatmanygrown-upstodayarerealizingthatchildhooddream.
EInfacts,aquarterofthe23millionsinglepeopleintheU.S.areundertheageof35.
FHesays,"Ilikebeingbymyself.
参考答案:
C E B F D
ChestCompressions:
MostImportantofCPR1
Cardiopulmonaryresuscitation,orCPR,cansavethelifeofsomeonewhosehearthasstopped.Theconditioniscalledcardiacarresta.Theheartstopspumpingblood.Thepersonstopsbreathing.Withoutlifesavingmeasures,thebrainstartstodiewithinfourtosixminutes.CPRcombinesbreathingintothevictim'smouthandrepeatedpressesonthechest.____1___.
However,anewJapanesestudyquestionstheusefulnessofmouth-to-mouthbreathing.ThestudywaspublishedintheBritishmedicalmagazine,TheI,ancet3.DoctorsinTokyoledtheresearch.Itexaminedmorethanfourthousandpeoplewhohadsufferedcardiacarrest.Inallthecases,witnessessawtheeventhappen.
Morethanonethousandofthevictimsreceivedsomekindofmedicalassistancefromwitnesses.SevenhundredandtwelvereceivedCPR.Fourhundredandthirty-ninereceivedchestpressesonly___2___TheresearcherssayanykindofCPRimprovedchancesofthepatient'ssurvival.But,theysaidthosepeopletreatedwithonlychestpressessufferedlessbraindamage.Twenty-twopercentsurvivedwithgoodbrainability___3____.
TheAmericanHeartAssociation4changeditsguidelinesforCPRchestpressesin2005.
___4___GordonEwyisaheartdoctorattheUniversityofArizonaCollegeofMedicineinTucson.Hewroteareportthatappearedwiththestudy.DoctorEwythinkstheCPRguidelinesshouldbechangedagain.Hesaidtheheartassociationshouldremoverescuebreathsfromtheguidelines.HearguesthatmorewitnessestocardiacarrestswouldprovidetreatmentifrescuebreathsarenotapartofCPR,Hesaysthiswouldsavelives___5___.
Cardiacarrestkillsmorethan300,000peopleintheUnitedStateseveryyear.TheAmericanHeartAssociationsaysaboutninety-fivepercentofvictimsdiebeforetheygettoamedicalcenter.
ASofar,wehavenotknownexactlyyetwhethermouth-to-mouthbreathingisreallyuselessinCPR.
BOnlytenpercentofthevictimstreatedwithtraditionalCPRsurvivedwithgoodbrainability.
CCPRkeepsbloodandoxygenflowingtotheheartandbrain.
DHisstudiesshowthatmanypeopledonotwanttoperformmouth-to-mouthbreathingonastrangerforfearofgettingadisease.
EItsaidpeopleshouldincreasethenumberofchestpressesfromfifteentothirtyforeverytwobreathsgiven.
FNomouth-to-mouthrescuebreathsweregiventothem.
参考答案:
CFBED
CaribbeanIslands
WhatwouldyouseeifyoutookacruisetotheCaribbeanIslands?
Palmtreesandcoconuts?
whitebeachesandclear,blueocean?
Colorfulcoralsandevenmorecolorfulfishesandbirds?
Youbet.TherearethousandsofislandsintheCaribbeanSea.Theyarefamousfortheirwarm,tropicalclimateandgreatnaturalbeauty.
TheCaribbeanIslandsformachainthatseparatestheCaribbeanSeafromtherestoftheAtlanticOcean.1______Manyoftheislandswereformedbytheeruptionofancientvolcanoes.Othersarelow-lyingcoralislandsthatgraduallyrosefromtheocean.
TheCaribbeanIslandsareknownbyseveralnames.2______TheexplorerChristopherColumbuscalledtheislandstheIndiesin1492becausehethoughthewasnearthecoastofIndia.Later,SpainandFrancecalledtheislandstheAntilles.
TherearefourlargeislandsintheCaribbeanSea.3_______ThesefourislandsareoftencalledtheGreaterAntilles.Together,theyaccountforabout90percentofthelandareaoftheCaribbeanIslands.
TherestoftheCaribbeanIslandsaremuchsmaller.4______YoucanseewhypiratessuchasthefamousBlackbeardsailedthesewaters.Therearecountlesssmallislandstoburytreasureorhideon.
TheweatheroftheCaribbeanSeaisalmostalwayswarmandsunny.Sandybeacheslinethecoastsofmanyislands.5______Manytouristsarriveoncruiseships.
AButlifeontheCaribbeanIslandsisnotalwaysparadise.
BTheearliestnameusedbyEuropeansistheIndies,laterchangedtotheWestIndies.
CThey’relikealongnecklacethatstretchesbetweenNorthandSouthAmerica.
DTheyareCub
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