高考英语阅读理解专项训练科技类.docx
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高考英语阅读理解专项训练科技类
高考英语阅读理解专项训练——科技类
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Withonlyabout1,000pandasleftintheworld,Chinaisdesperatelytryingtoclone(克隆)theanimalandsavetheendangeredspecies(物种).That’samovesimilartowhataTexasA&MUniversityresearchershavebeenundertakingforthepastfiveyearsinaprojectcalled“Noah’sArk”.
Noah’sArkisaimedatcollectingeggs,embryos(胚胎),semenandDNAofendangeredanimalsandstoringtheminliquidnitrogen.Ifcertainspeciesshouldbecomeextinct,Dr.DuaneKraemer,aprofessorinTexasA&M’sCollegeofVeterinaryMedicine,saystherewouldbeenoughofthebasicbuildingblockstoreintroducethespeciesinthefuture.
Itisestimatedthatasmanyas2,000speciesofmammals,birdsreptileswillbecomeextinctinover100years.Thepanda,nativeonlytoChina,isindangerofbecomingextinctinthenext25years.
Thisweek,ChinesescientistssaidtheygrewanembryobyintroducingcellsfromadeadfemalepandaintotheeggcellsofaJapanesewhiterabbit.Theyarenowtryingtoimplanttheembryointoahostanimal.
Theentireprocedurecouldtakefromthreetofiveyearstocomplete.
“Thenucleartransfer(核子移植)ofonespeciestoanotherisnoteasy,andthelackofavailable(capableofbeingused)pandaeggscouldbeamajorproblem,”Kraemerbelieves.“Theywillprobablyhavetodoseveralhundredtransferstoresultinonepregnancy(havingababy).Ittakesalongtimeandit’sdifficult,butthiscouldbegroundbreakingscienceifitworks.Theyarecertainlynotputtinganylivepandasatrisk,soitisworththeeffort,”addsKraemer,whoisoneoftheleadersoftheProjectatTexasA&M,thefirst-everattemptatcloningadog.
“Theyaretryingtodosomethingthat’sneverbeendone,andthisisverysimilartoourworkinNoah’sArk.We’rebothtryingtosaveanimalsthatfaceextinction.Icertainlyappreciatetheireffortandthere’salotwecanlearnfromwhattheyareattemptingtodo.It’saresearchthatisverymuchneeded.”
1.Theaimof“Noah’sArk”projectisto_______.
A.makeeffortstoclonetheendangeredpandas
B.saveendangeredanimalsfromdyingout
C.collectDNAofendangeredanimalstostudy
D.transferthenuclearofoneanimaltoanother
2.AccordingtoProfessorKraemer,themajorproblemincloningpandaswouldbethelackof_______.
A.availablepandaeggsB.hostanimals
C.qualifiedresearchersD.enoughmoney
3.Thebesttitleforthepassagemaybe_______.
A.China’sSuccessinPandasCloning
B.TheFirstClonedPandaintheWorld
C.ExploringthePossibilitytoClonePandas
D.China—theNativePlaceofPandasForever
4.Fromthepassageweknowthat_______.
A.Kraemerandhisteamhavesucceededincloningadog
B.scientiststrytoimplantapanda’seggintoarabbit
C.KraemerwillworkwithChinesescientistsincloneresearches
D.abouttwothousandofspecieswillprobablydieoutinacentury
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Wantaglanceofthefutureofhealthcare?
Takealookatthewaythevariousnetworksofpeopleaboutpatientcarearebeingconnectedtooneanother,andhowthisnewconnectivityisbeingexploitedtodelivermedicinetothepatient—nomatterwhereheorshemaybe.
Onlinedoctorsofferingadvicebasedonnormalsymptoms(症状)arethemostobviousexample.Increasingly,however,remotediagnosis(远程诊断)willbebasedonrealphysiologicaldata(生理数据)fromtheactualpatient.AgroupfromtheUniversityofKentuckyhasshownthatbyusingpersonaldataassistanceplusamobilephone,itisperfectlypracticaltosendapatient’simportantsignsoverthetelephone.Withthiskindofequipment,thecryaskingwhethertherewasadoctorinthehousecouldwellbeathingofthepast.
Othermedicaltechnologygroupsareworkingonapplyingtelemedicinetorural(countryside)care.Andatleastoneteamwantstousetelemedicineasatoolfordisasterneed—especiallyafterearthquakes.Onthewhole,thetrendistowardsprovidingglobalaccesstomedicaldataandexperts’opinions.
Butthereisoneproblem.Bandwidth(宽带)isthelimitingfactorforsendingcomplex(复杂的)medicalpicturesaroundtheworld—CTphotosbeingoneofthebiggestbandwidthusers.Communicationsatellitesmaybeabletodealwiththeshort-termneedsduringdisasterssuchasearthquakesorwars.Butmedicineislookingtowardsboththesecond-generationInternetandthird-generationmobilephonesforthefutureofremotemedicalservice.
Doctorshavemettodiscusscomputer-basedtoolsformedicaldiagnosis,trainingandtelemedicine.Withthefallingpriceofbroadbandcommunications,thenewtechnologiesshouldstartanewtimewhentelemedicineandthesharingofmedicalinformation,experts’opinionsanddiagnosisarecommon.
1.Thewriterchieflytalksabout_______.
A.theuseoftelemedicineB.theon-lineddoctors
C.medicalcareandtreatmentD.communicationimprovement
2.Thebasisofremotediagnosiswillbe_______.
A.personaldataassistance
B.somewordsofapatient
C.realphysiologicalinformation
D.medicalpicturesfromtheInternet
3.Whichofthefollowingstatementsistrueaccordingtothetext?
A.Patientsdon’tneeddoctorsinhospitalsanymore.
B.Itisimpossibletosendapatient’ssignsoverthetelephone.
C.Manyteamsusetelemedicinedealingwithdisastersnow.
D.Broadbandcommunicationswillbecomecheaperinthefuture.
4.The“problem”inthefourthparagraphreferstothefactthat_______.
A.bandwidthisn’tbigenoughtosendcomplexmedicalpictures
B.thesecond-generationofInternethasnotbecomepopularyet
C.communicationsatellitescanonlydealwithshort-termneeds
D.thereisnotenoughequipmentforspreadingthemedicalcare
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ScientistsareuncoveringthesecretsoftwoportcitieslostunderthewatersoftheMediterraneanSea,aresearchersaidyesterday.
HerakleionandMenouthiswererichandproudcitiesuntilsomethingreducedthemtorubble(碎石)andburiedtheminthemudbeneath30feetofseawater,FrenchunderwaterexplorerFranckGoddiosaidattheAmericanGeophysicalUnionconference.
“Thisisamysterythatisongoing,”saidGoddio,afounderoftheEuropeanInstituteofMarineArcheology,aParis-basedunderwaterresearchorganizationbackedbythewealthyHiltiFoundationofLiechtenstein(列支敦士登基金会).
ThedestructionofthetwinportcitieshashauntedGoddioeversincehehappeneduponthesiteabout15milesfromAlexandriawhileexploringsunkenshipsfromNapoleon’sfleet.
Goddioandhisgroupofexpertdivers,marinearcheologists(海洋考古学家)andothers,areusinghighpoweredvacuums,satellitenavigationsystemsandsophisticatedsonar(声纳)toexcavate(挖掘)thesunkencitiesfromunderneathacarpetofsiltaboutonemeter(threefeet)high.
Wallsofshops,remainsofstreetsandgoldartifactshavebeenfoundandrecovered.
Someexpertsbelievethattheportcitiesweredestroyedbyaseriesofmassiveearthquakes,muchlikethequakesscientistsbelievefelledTroy(特洛伊城),Jerichoandotherancientcities.Theuniformdirectionofthecollapsedcolumnsandwallssuggestanearthquake,Goddiosaid,butnofaultlineshavebeenfoundnearby.
Otherresearchersbelieveamassivewave,causedbyeitheranoffshoreearthquakeoradistantunderwaterlandslide,couldexplainthecatastrophe.StillothersthinkrisingseasandashiftintheNileRiveroutletdoomedthecities.
“Theargument,asyoucansee,continues,”Goddiosaid.
1.ThereasonwhythetwoportcitiesdisappearedunderthewatersofMediterraneanSeaisthat______.
A.thetwoportcitiesweredestroyedbyhugeearthquakes
B.thedisappearanceofthetwoportcitieswascausedbyunderwaterlandslide
C.risingseasandashiftintheNileRiveroutletdoomedthecities
D.thestorydidn’ttellusatall
2.Fromthestorywecandrawaconclusionthat_______.
A.thetwoportcitieswerefamousfortheirwealthandthemystery
B.thetwocitiesbelongedtoFrance
C.somemysteriouscreaturesfromotherplanetsdestroyedthetwocities
D.theAmericanGeophysicalUnionconferencewasonceheldinoneofthetwocities
3.Thisarticleisprobablyfrom_______.
A.ascientificmagazine
B.areporttothegovernment
C.aschooltextbook
D.ascientificreportinanewspaper
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Motherhoodmaymakewomensmarterandmayhelppreventdementia(痴呆)inoldagebybathingthebraininprotectivehormones(荷尔蒙),U.S.reseachersreportedonThursday.
Testsonratsshowthatthosewhoraisetwoormorelittersofpupsdoconsiderablybetterintestsofmemoryandskillsthanratswhohavenobabies,andtheirbrainsshowchangesthatsuggesttheymaybeprotectedagainstdiseasessuchasAlzheimer’s(早老痴呆症).UniversityofRichmondpsychologyprofessorCraigKinsleybelieveshisfindingswilltranslateintohumans.
“Ourresearchshowsthatthehormonesofpregnancy(怀孕)areprotectingthebrain,includingestrogen(雌激素),whichweknowhasmanyneuroprotective(保护神经的)effects,”Kinsleysaid.
“It’sratdatabuthumansaremammalsjustliketheseanimalsaremammals,”headdedinatelephoneinterview.“Theygothroughpregnancyandhormonalchanges.”
KinsleysaidhehopedpublichealthofficialsandresearcherswilllooktoseeifhavinghadchildrenprotectsawomanfromAlzheimer’sandotherformsofage-relatedbraindecline.
“Whenpeoplethinkaboutpregnancy,theythinkaboutwhathappenstobabiesandthemotherfromtheneckdown,”saidKinsley,whopresentedhisfindingstotheannualmeetingoftheSocietyofNeuroscienceinOrlando,Florida.
“Theydonotrealizethathormonesarewashingonthebrain.Ifyoulookatfemaleanimalswhohavenevergonethroughpregnancy,theyactdifferentlytowardyoung.Butifshegoesthroughpregnancy,shewillsacrificeherlifeforherinfant—thatisagreat