小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com必修第二册Unit1Lights，camera，action！(2)Ⅰ.阅读理解ATenpercentoftheworld’sspeciesliveintheAmazonRainforest，includingsomeofthemostinterestinganduniquecreaturesonEarth.Notonlythat，butsomeAmazonnativespeciesdirectlybenefithumans.Ifyoulikechocolate，andcoffee，you’vebenefitedfromAmazonianplants.Evenmoreimportantly，theAmazonRainforestkeepsouraircleanandbreathable.Cognizant_ofitsgreatimpactontheplanet，activistsareworkingtostopdeforestation.Anewalgorithm(算法)thatpredictswhichareasareatmostriskofhabitatdestructiongivesAmazondefendersahandintheirfightagainstdeforestation.TheTrans-AmazonianhighwayisaroadthatstretchesacrosstheAmazonRainforest.Branchingoffofthisofficialhighwayarearoundtwomillionmilesofunofficialroads，manybuiltillegallybyloggers，miners，andresidentsofunauthorizedsettlements.Nearlyhalfoftherainforesthasoneoftheseroads，whichCarlosSouzaJr，aresearchermonitoringtheAmazon，calls“linesofdestruction”，withinsixmiles.Imazon，aBrazilianresearchinstitutionpublishedastudyshowingthat95percentofdeforestationoccurredwithinthreemilesofthe“linesofdestruction”．Additionally,90percentofforestfireswerenexttoillegalAmazonianroads.Thatmakesfindingtheseroadskeytopreventingdeforestationanddamage.However，inatwoandhalfmillionsquarerainforest，that’seasiersaidthandone.Previouslyactivistsmanually(人工地)examinedoversatelliteimagestospottheseroads.Theyalsorecordedtheresultofdeforestation.Butnow，technologymayhelpactivistsbecomemoreproactive(主动出击的)．Imazonresearchersfedthemanualdataintoanartificialintelligencealgorithmtotrainittofindtheunauthorizedroads.Theprogrampredictswheretheremayberoads，withabout70percentaccuracy.Itsoutputsarethenconfirmedbyresearchersusingsatelliteimages.ThePrevisIAmapandstatisticscanhelpgovernmentschanneldeforestationpreventioneffortstothreatenedareas.Thehopeisthatbyidentifyingtheareasinadvance，politiciansandactivistscantakeproactivestepsagainsttheillegalroads，andpreventdeforestationbeforeithappens.1．Whatdoestheunderlinedphrase“Cognizantof”inparagraph2mean?A．Causing.B．Realizing.C．Recalling.D．Multiplying.2．Whatcanweknowfromthethirdparagraph?A．Manyillegalloggerswillbepunished.B．Thereexistmanyrisksnearthehighway.小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comC．Forestfiresdidlittledamagetotherainforest.D．Fundisthekeytoconstructingthishighway.3．HowdidImazonresearchersidentifytheunauthorizedroads?A．Throughlocals.B．Throughthemap.C．Throughfieldtrips.D．Throughtechnology.4．Inwhichsectionmaythetextappearinanewspaper?A．Culture.B．Travel.C．Education.D．Environment.BTherearesomethingsmoneycan’tbuy.Education，however，doesnotappeartobeamongthem—atleastasmeasuredbyperformanceoninternationalexams.AnewstudybyHarvardUniversityoffersstrongevidencethatthewealthofacountryaffectsexamresultsjustasmuchasthewealthofapupil’shouseholddoes.Onaverage，pupilsinwealthycountriesobtainvastlyhighertestscoresthanthoseindevelopingones.Evaluatingtestscoresaroundtheworldisharderthanitsounds.Althoughpupilsintherichworldmostlytakeoneofafewbiginternationalexams，manydevelopingcountriesrelyonregionaltests，makingapples-to-applescomp...