科普英语
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2023年3月3日发(作者：反馈放大电路)关于科普类英语⽂章阅读
科普类阅读⽂章是⾼考阅读中的⼀个重要⽅⾯,它涉及到最新科技、发明或应⽤,对于学⽣的语⾔基础知识和语⾔技能要求很⾼。⼩编精⼼收集了
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关于科普类英语⽂章篇1
⼈类祖先露西因何⽽死
Lucy,themostfamousfossilofahumanancestor,probablydiedafterfallingfromatree,accordingtoastudyappearinginNatureledby
,a3.18-million-year-oldspecimenofAustralopithecusafarensis--or"southernapeofAfar"
--isamongtheoldest,mostcompleteskeletonsofanyadult,erdiscoveryintheAfarregionofEthiopiain
1974byArizonaStateUniversityanthropologistDonaldJohansonandgraduatestudentTomGray,Lucy--aterrestrialbiped--hasbeenatthe
centerofavigorousdebateaboutwhetherthisancientspeciesalsospenttimeinthetrees.
"Itisironicthatthefossilatthecenterofadebateabouttheroleofarborealisminhumanevolutionlikelydiedfrominjuriessufferedfromafall
outofatree,"saidleadauthorJohnKappelman,aUTAustinanthropologyandgeologicalsciencesprofessor.
tourin2008,whenthefossildetouredtotheHigh-ResolutionX-rayComputed
TomographyFacility(UTCT)intheUTJacksonSchoolofGeosciences--amachinedesignedtoscanthroughmaterialsassolidasarockandat
10days,KappelmanandgeologicalsciencesprofessorRichardKetchamcarefullyscannedallofher40-
percent-completeskeletontocreateadigitalarchiveofmorethan35,000CTslices.
"'sonlyoneLucy,andyouwanttostudyherasmuchaspossible,"Ketchamsaid."an
seewhatisinside,theinternaldetailsandarrangementoftheinternalbones."
StudyingLucyandherscans,Kappelmannoticedsomethingunusual:Theendoftherighthumeruswasfracturedinamannernotnormally
seeninfossils,preservingaseriesofsharp,cleanbreakswithtinybonefragmentsandsliversstillinplace.
"Thiscompressivefractureresultswhenthehandhitsthegroundduringafall,impactingtheelementsoftheshoulderagainstoneanotherto
createauniquesignatureonthehumerus,"saidKappelman,nPearce,anorthopedicsurgeonatAustinBoneandJoint
Clinic,usingamodernhuman-scale,3-DprintedmodelofLucy.
Pearceconfirmed:Theinjurywasconsistentwithafour-partproximalhumerusfracture,causedbyafallfromconsiderableheightwhenthe
consciousvictimstretchedoutanarminanattempttobreakthefall.
关于科普类英语⽂章篇2
古⽣物学家发现⼤型霸王龙化⽯
PaleontologistswiththeBurkeMuseumofNaturalHistoryandCultureandtheUniversityofWashingtonhavediscoveredaTyrannosaurus
rex,d,whichpaleontologistsestimatetobeabout20percentoftheanimal,includesvertebrae,ribs,hips
m,ledbyBurkeMuseumAdju,
inganexpeditiontotheHellCreekFormationinnorthernMontana--anareathatisworld-famousforitsfossildinosaur
keMuseumpaleontologyvolunteers,JasonLoveandLukeTufts,initiallydiscoveredpiecesoffossilizedboneprotrudingfroma
es'largesizeandhonrtherexcavation,the
llalongwithribs,vertebrae,andpartsofthejawandpelvis.
inganaverageof40-feetlongand15to20-feettall,
evidenceshowsitateotherdinosaurslikeEdmontosaurusandTriceratops,with
edabout66-68millionyearsagoinforestedrivervalleysin
westernNorthAmericaduringthelateCretaceousPeriod.
ndbytheBurke/UWteamisnicknamedthe"Tufts-LoveRex"llisabout
4feetlongweighsabout2,tioninthefieldrevealedtherightsideoftheskullfrombasetosnout,
aleontologistsbelieveitisveryprobabletheothersideoftheskullispresent,butwillneedtocarefullyremovetherock
surroundingthefossilbeforetheycandetermineitscompleteness.
"WethinktheTufts-LoveRexisgoingtobeaniconicspecimenfortheBurkeMuseumandthestateofWashingtonandwillbeamust-seefor
dinosaurresearchersaswell,"saidWilson.
关于科普类英语⽂章篇3
⾮洲草原上的⼤象数量⼤幅下降
'nnouncedtheresultsofthe$7million,three-yearGreatElephantCensus(GEC-
/),thefirst-everpan-Africansurveyofsavannaelephantsusingstandardizeddatacollectionand
dbyElephantsWithoutBorders(EWB,)theimmenseproject'sreportconfirmssubstantialdeclinesinelephantnumbers
earchersreportthatthecurrentrateofspeciesdeclineis8percentperyear,-
Africansurveyshowstheestimatedsavannahelephantpopulationtobe352,271withinthe18countriessurveyedto-date,representingatleast93
annahelephantpopulationsin15oftheGECcountries,forwhichrepeatcountswere
available,populationsdeclinedby30percentbetween2007and2014.84percentofthepopulationsurveyedwassightedinlegallyprotectedareas
r,largenumbersofcarcasseswereobservedinmanyprotectedareasindicatingthat
ssaytheivorytradeandpoachingpo riousthreatsandthereisnowarisk
entificreportoftheGECfindingswaspublishedonAugust31,inthepeer-
reviewedopenaccessjournalPeerJandisfreelyaccessibleat/articles/2354/
TheGECteamusedthemostaccurate,up-to-datecountingandstatisticalmethodstoanalyzedata,accuratelydeterminingthenumberand
distributionofthegreatmajorityofAfricansavannaelephantsandthisnowprovidesabaselineonacontinentalscaleforfuturesurveysandtrend
analyses,thatwildlifeecologistswillbeabletousetocoordinateconservationefforts.
Overall,90scientists,sixnon-governmentalorganizationpartners,andtwoadvisorypartners,managedbyateamatPaulAllen'sVulcanInc.
ncludedtheorganizationsElephantsWithoutBorders,theWildlifeConservationSociety,theNatureConservancy,
FrankfurtZoologicalSociety,AfricanParksNetworkandtheadvisorygroupsSavetheElephantsandtheInternationalUnionforConservationof
Nature'ortwasconductedwhichpartneredwithincountryparkbiologists,rangers,andgamewardens.