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选择性必修第四册Unit5IntotheunknownⅠ.阅读理解A(2023·新课标Ⅱ，A)YellowstoneNationalParkoffersavarietyofrangerprogramsthroughoutthepark，andthroughouttheyear.Thefollowingaredescriptionsoftherangerprogramsthissummer.ExperiencingWildlifeinYellowstone(May26toSeptember2)Whetheryou’rehikingabackcountrytrail(小径)，camping，orjustenjoyingthepark’samazingwildlifefromtheroad，thisquickworkshopisforyouandyourfamily.Learnwheretolookforanimalsandhowtosafelyenjoyyourwildlifewatchingexperience.MeetattheCanyonVillageStore.JuniorRangerWildlifeOlympics(June5toAugust21)KidscantesttheirskillsandcomparetheirabilitiestotheanimalsofYellowstone.Stayforaslittleoraslongasyourplansallow.MeetinfrontoftheVisitorEducationCenter.CanyonTalksatArtistPoint(June9toSeptember2)Fromaclassicviewpoint，enjoyLowerFalls，theYellowstoneRiver，andthebreathtakingcolorsofthecanyon(峡谷)whilelearningaboutthearea’snaturalandhumanhistory.Discoverwhyartistsandphotographerscontinuetobedrawntothisspecialplace.MeetonthelowerplatformatArtistPointontheSouthRimDriveforthisshorttalk.PhotographyWorkshops(June19&July10)Enhanceyourphotographyskills—joinYellowstone’sparkphotographerforahands-onprogramtoinspirenewandcreativewaysofenjoyingthebeautyandwonderofYellowstone.6/19—Waterfalls&WideAngles：meetatArtistPoint.7/10—Wildflowers&WhiteBalance：meetatWashburnTrailheadinChittendenparkingarea.1．Whichofthefourprogramsbeginstheearliest?A．PhotographyWorkshops.B．JuniorRangerWildlifeOlympics.C．CanyonTalksatArtistPoint.D．ExperiencingWildlifeinYellowstone.2．WhatistheshorttalkatArtistPointabout?A．Worksoffamousartists.B．Protectionofwildanimals.C．Basicphotographyskills.D．Historyofthecanyonarea.3．WherewilltheparticipantsmeetfortheJuly10photographyworkshop?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.comA．ArtistPoint.B．WashburnTrailhead.C．CanyonVillageStore.D．VisitorEducationCenter.B(★)TheruinsofahugeMayacityhavebeendiscoveredinGuatemalawiththehelpoftheremotesensingtechniqueLiDAR，accordingtotheNationalGeographiconThursday.ThisbreakthroughwaspossiblethankstoLiDARsensors，whichcansurveylandscapesin3Dbyreflectinglaserpulsesoffthegroundfromunmannedairvehiclesandothers.LiDARisexceptionallyusefulfordetectingarcheologicalsites(考古遗址)，asitgetsthroughjunglesandotherfeaturesthatholdupexplorationontheground.Thetechniquehasbeentheactivator(催化剂)ofmanydiscoveriesinrecentyears.Forinstance，majorfindsatAngkor，CambodiaandCaracol，Belizecanexplainwhatitdid.ThislargelostcityenvelopssiteslikeTikal，Holmul，andWitzna—knownfortheirpyramids—butshowsthatthesefamousheritageareasarethetipoftheicebergofthislosturbannetwork.HiddenunderthejunglesoftheMayaBiosphereReserve，morethan60,000human-madefeatures—homes，canals，highways，someofwhichcanevenreachthemodernizedstandard—havebeenidentifiedbyaninternationalcooperationofresearchersheadedbythePACUNAMFoundation，aMayaculturalandnaturalheritageorganization.ThosehaveexpertsrethinkingtheoutlinesandcomplexityoftheMayaempire.Theseancientpeoplesobviouslyestablishedtheseimaginativeculturesbasedontheirknownrelics，butthenewresearchhasshownthatthescaleofthislostso...