高考英语阅读理解专项训练――科技类

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

-1-高考英语阅读理解专项训练——科技类(1)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.makeeffortstoclonetheendangeredpandasB.saveendangeredanimalsfromdyingoutC.collectDNAofendangeredanimalstostudyD.transferthenuclearofoneanimaltoanother2.AccordingtoProfessorKraemer,themajorproblemincloningpandaswouldbethelackof_______.A.availablepandaeggsB.hostanimalsC.qualifiedresearchersD.enoughmoney3.Thebesttitleforthepassagemaybe_______.A.China’sSuccessinPandasCloning-2-B.TheFirstClonedPandaintheWorldC.ExploringthePossibilitytoClonePandasD.China—theNativePlaceofPandasForever4.Fromthepassageweknowthat_______.A.KraemerandhisteamhavesucceededincloningadogB.scientiststrytoimplantapanda’seggintoarabbitC.KraemerwillworkwithChinesescientistsincloneresearchesD.abouttwothousandofspecieswillprobablydieoutinacentury(2)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-lineddoctorsC.medicalcareandtreatmentD.communicationimprovement2.Thebasisofremotediagnosiswillbe_______.A.personaldataassistanceB.somewordsofapatientC.realphysiologicalinformation-3-D.medicalpicturesfromtheInternet3.Whichofthefollowingstatementsistrueaccordingtothetext?A.Patientsdon’tneeddoctorsinhospitalsanymore.B.Itisimpossibletosendapatient’ssignsoverthetelephone.C.Manyteamsusetelemedicinedealingwithdisastersnow.D.Broadbandcommunicationswillbecomecheaperinthefuture.4.The“problem”inthefourthparagraphreferstothefactthat_______.A.bandwidthisn’tbigenoughtosendcomplexmedicalpicturesB.thesecond-generationofInternethasnotbecomepopularyetC.communicationsatellitescanonlydealwithshort-termneedsD.thereisnotenoughequipmentforspreadingthemedicalcare(3)ScientistsareuncoveringthesecretsoftwoportcitieslostunderthewatersoftheMediterraneanSea,aresearchersaidyesterday.HerakleionandMenouthiswererichandproudcitiesuntilsomethingreducedthemtorubble(碎石)andburiedtheminthemudbeneath

1 / 26
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功