职称英语考试《理工类》历年真题精选及答案05149Word文档格式.docx
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职称英语考试《理工类》历年真题精选及答案05149Word文档格式.docx
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再根据构词法plentiful=plenty+ful判断B的含义是“大量的”。
借助句意“在这个国家里有大量的廉价劳动力”判断B最合适。
extra:
额外的。
2、CitizenScientists
Understandinghownaturerespondstoclimatechangewillrequiremonitoringkeylifecycleevent-flowering,theappearanceofleaves,thefirstfrogcallsofthespringallaroundtheworld.
Butecologistscan'
tbeeverywheresothey'
returningtonon-scientists,sometimescalledcitizenscientists,forhelp.
Climatescientistsarenotpresenteverywhere.Becausetherearesomanyplacesintheworldandnotenoughscientiststoobserveallofthem,they'
reaskingforyourhelpinobservingsignsofclimatechangeacrosstheworld.Thecitizenscientistmovementencouragesordinarypeopletooobserveaveryspecificresearchinterest-birds,trees,flowersbudding,etc.andsendtheirobservationstoagiantdatabasetobeobservedbyprofessionalscientists.Thishelpsasmallnumberofscientiststrackalargeamountofdatathattheywouldneverbeabletogatherontheirown.Muchlikecitizenjournalistshelpinglargepublicationscoverahyper-localbeat,citizenscientistsarereadyfortheconditionswheretheylive.Allthat'
sneededtobecomeoneisafewminuteseachdayoreachweektogatherdataandsenditin.
AgroupofscientistsandeducatorslaunchedanorganizationlastyearcalledtheNationalPhenologyNetwork."
Phenology"
iswhatscientistscallthestudyofthetimingofeventsinnature.
Oneofthegroup'
sfirsteffortsreliesonscientistsandnon-scientistsaliketocollectdataaboutplantfloweringandleafingeveryyear.Theprogram,calledProjectBudBurst,collectslifecycledataonavarietyofcommonplantsfromacrosstheUnitedStates.PeopleparticipatingintheprojectwhichisopentoeveryonerecordtheirobservationsontheProjectBudBurstwebsite.
"
Peopledon'
thavetobeplantexperts,theyjusthavetolookaroundandseewhat'
sintheirneighborhood,"
saysJenniferSchwartz,aneducationconsultantwiththeproject."
Aswecollectthisdata,we'
llbeabletomakeanestimateofhowplantsandcommunitiesofplantsandanimalswillrespondastheclimatechanges."
WhatisNOTtrueofProjectBudBurst?
【单选题】
A.Onlyexpertscanparticipateinit.
B.Everybodycanparticipateinit.
C.Itcollectslifecycledataonavarietyofcommonplants.
D.Ithasitsownwebsite.
A
文章全文都在说普通人参与科学研究的项目,因此只有选项A不符合。
其他选项都能在文中找出。
3、RocketsintheSky
Ifsomeoneaskedyou."
Whatcoloristhesky?
Iexpectthatyouwouldanswer,"
Blue."
Iamafraidthatyouwouldbewrong.Theskyhasnocolor.Whenweseeblue,wearelookingatbluesunlight.Thesunlightisshiningonlittlebitsofdustintheair.
Weknowthatthereisairallaroundtheworld.Wecouldnotbreathewithoutair.Airplanescouldnotflywithoutair.Theyneedairtolifttheirwings.Airplanescannotflyveryhighbecauseastheygohighertheairgetsthinner.Ifwegofarenoughawayfromtheearth,wefindthereisnoair.Whatisthesky?
Theskyisspace.Inthisspacethereisnothingexceptthesun,themoonandallthestars.
Scientistshavealwayswantedtoknowmoreabouttheotherworldsinthespace.Theyhavelookedatthemthroughtelescopesandinthiswaytheyhavefoundoutagreatdeal.
Themoonisabout384,000kilometersawayfromtheearth.Anairplanecannotflytothemoonbutthereisathingthatcanflyevenwhenthereisnoair.Thisisrocket.
Iamsurethatyouareasking."
Howdoesarocketfly?
Ifyouwanttoknow,getaballoonandthenblowitupuntilitisquitebig.Donottieuptheneckoftheballoon.Letgo!
Theballoonwillflyoffthroughtheairveryquickly.Theairinsidetheballoontriestogetout.Itrushesoutthroughneckoftheballoffandthispushestheballoonthroughtheair.Itdoesnotneedwingslikeanairplane.
Thisishowarocketworks.Itisnotmadeofrubberlikeaballoon,ofcourse.Itismadeofmetal.Themetalmustnotbeheavybutitmustbeverystrong.Thereisgasinsidetherocketwhichismadeveryhot.Whenitrushesoutoftheendoftherocket,therocketispushedupintotheair.
Rocketscanflyfaroutintospace.Rocketswithmeninsidethemhavealreadyreachedthemoon.Severalrockets,withoutmeninsidethem,havebeensenttootherworldsmuchfartheraway.Onedayrocketsmaybeabletogoanywhereinthespace.
A.Itisblue.
B.Itiswhite.
C.Itisgrey.
D.Ithasnocolor.
D
根据文章第1段第3句(Theskyhasnocolor)。
4、BreastfeedingCanCutCardiovascularRisk
Breastfeedingcanreducetheriskofaheartattackorstrokelaterinlifeandcouldpreventhundredsofthousandsofdeathseachyear,researcherssaidonFriday.
Babieswhoarebreastfedhavefewerchildhoodinfectionsandallergiesandarelesspronetoobesity.Britishscientistshavenowshownthatbreastfeedingandslowgrowthinthefirstweeksandmonthsoflifehasaprotectiveeffectagainstcardiovasculardisease.
Dietsthatpromotemorerapidgrowthputbabiesatriskmanyyearslaterintermsofraisingtheirbloodpressure,raisingtheircholesterolandincreasingtheirtendencytodiabetesandobesity-thefourmainriskfactorsforstrokeandheartattack."
saidProfessorAlanLucasoftheInstituteofChildHealthinLondon.
Ourevidencesuggeststhatthereasonwhybreast-fedbabiesdobetterisbecausetheygrowmoreslowlyintheearlyweeks."
Lucassaidtheeffectsofbreastfeedingonbloodpressureandcholesterollaterinlifearegreaterthananythingadultscandotocontroltheriskfactorsforcardiovasculardisease,otherthantakingdrugs.
Anestimated17millionpeopledieofcardiovasculardisease,particularlyheartattackandstrokes,eachyear,accordingtotheWorldHealthOrganization.
Lucasandhiscolleaguescomparedthehealthof216teenagers______asbabieshadeitherbeenbreastfedorgivendifferentnutritionalbabyformulas'
TheyreportedtheirfindingsinTheLancetmedicaljournal.
Theteenagerswhohadbeenbreastfedhada14percentlowerratioofbadtogoodcholesterolandlowerconcentrationsofaproteinthatisamarkerforcardiovasculardiseaserisk.
Theresearchersalsofoundthatregardlessofthechild'
sweightatbirth,thefastertheinfantsgrewintheearlyweeksandmonthsoflife,thegreaterwastheirlaterriskofheartdiseaseandstroke.Theeffectwasthesameforbothboysandgirls.
Themorehumanmilkyouhaveinthenewbornperiod,theloweryourcholesterollevelis,theloweryourbloodpressureis16yearslater,"
Lucassaid.
A.who
B.such
C.when
D.taken
空白处需要引导定语从句并修饰人的连接代词who。
5、WalkingtoExercisetheBrain
Doyouthinksittingandstudyingallthetimewillimprovestudentsgrades?
Thinkagain.Gettingsomeexercisemayhelp,too.
Newresearchwitholderpeoplesuggeststhattakingregularwalkshelpsthempayattentionbetterthaniftheydidn'
texercise.
Previousresearchhadshownthatmicelearn,rememberandpayattentionbetterafterafewweeksofworkingoutonarunningwheel.Micethatexercisehavegreaterbloodflowtothebrainthanthosewhodon'
t.Theirbraincellsalsomakemoreconnections.
Neuroscientists(神经科学家)fromtheUniversityofIllinoisatUrbanaChampaignwantedtofindoutifthesamethingistrueforpeople.First,theymeasuredthephysicalfitnessof41adults,ages58to77,aftereachpersonwalkedImile.Then,participantslookedatarrowsonacomputerscreenandhadtousecomputerkeystoshowwhichwayoneparticulararrowwaspointing.
Adultswhowerephysicallyfitwerefasteratthearrowtask,andtheiranswerswerejustasaccurateastheirless-fitpeers,theresearchersfound.Thefitterparticipantsalsohadmorebloodflowtoapartoftheirbrainresponsibleforpayingattentionandmakingdecisions.
Inasecondstudy,15elderlypeoplewhocompleteda6-monthaerobic-training(有氧运动)coursewerefasteratattentiontaskscomparedwith14seniorswhojustdidstretchingandtoning(韵律操)exercisesforthesameamountoftime.
So,evengoingforawalkevery2or3daysforjust10to45minutescanhelp.Thatshouldbegoodnewsfortheelderly.
Theeffectsofexercisingonthebrainsofyoungerpeoplehaven'
tbeenstudiedyet.Still,itcan'
thurttotakeoccasionalbreaksandgoforawalkorrunaroundwithfriends.Whateveryoudo,though,don'
ttrytoreadandwalkatthesametime.Youcouldenduphurtingyourself!
Walkingregularlyhelpselderlypeople______.【单选题】
A.loseweight
B.becomehappier
C.concentratebetter
D.lookyounger
C
本题难度不大,找到答案依据不难。
答案依据在文章第二段。
第二段谈到新的研究表明,相对于不锻炼,经常散步有助于帮助老年人更好集中精力,回来看选项,很明显,C是近义解释,是答案。
6、Jackpackedupallthethingshehadaccumulatedoverthelasttenyears.【单选题】
A.future
B.far
C.past
D.near
杰克把过去10年里攒的所有东西都收拾好打行李了。
本题难度不大,干扰项干扰不强,是送分题。
last和past都指“过去的”是同义词,最佳答案是C。
7、OneGoodReasontoLetSmallpoxLive
It'
snowafairbetthatwewillneverseethetotalextinction(灭绝)ofthesmallpox(天花)virus.Whensmallpoxwascompletelygotridofintheworld,scientistswantedtodestroythekillervirusinthelasttwolabs,oneintheUSandoneinRussia.Theyasked:
Ifsmallpoxhastrulygonefromtheplanet,whatpointwasthereinkeepingthesereserves?
Inreality,ofcourse,itwasnaivetoimaginethateveryonewouldletgoofsuchapowerfulpotentialweapon.Undoubtedlyseveralnationsstillhaveafewvials(小药瓶).Andthelast"
official"
stocksofliveVirusbredmistrustoftheUSandRussia,_____noobviousgain.
NowAmericanresearchershavefoundananimalmodelofthehumandisease,openi
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