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第04讲主旨大意题目录01模拟基础练【题型一】文章大意题的考查【题型二】段落大意题的考查【题型三】标题归纳题的考查02重难创新练03真题实战练题型一文章大意的考查1.（2024·重庆沙坪坝·模拟预测）Likealmosteverysetofnewparents,BryanandElizabethShawstartedsnappingpicturesoftheirson,Noah,practicallyfromthemomenthewasborn.Whenhewasaboutthreemonthsold,Elizabethnoticedsomethingodd.TheflashontheirdigitalcameracreatedthetypicalreddotinthecenterofNoah’slefteye,buttherighteyehadawhitespotatthecenter,almostasiftheflashwasbeingreflectedbackatthecamerabysomething.WhenElizabethtookNoahtoaneyedoctor,Noahwasdiagnosedwithretinal(视网膜)cancerwiththewhitereflectionasasign.Heenduredmonthsoftreatment,butitwastoolate.Noah’scanceristreatableifcaughtearly.BryanShawwonderedwhetherthereweresignshe’dmissed.HewentbackovereverybabypictureofNoahhecouldfindanddiscoveredthefirstwhitespotinaphototakenwhenNoahwas12daysold.Astimewenton,itappearedmorefrequently.“Bythetimehewasfourmonthsold,itwasshowingupin25percentofthepicturestakenofhimpermonth,”Bryanrecalled.Later,Bryanwasdeterminedtoputhishard-woninsightstogooduse.Hecreatedadatabasethatrecordedthecancer’sappearanceineveryphotoofNoah.Healsocollectedphotosandcompiledthedatafromeightotherchildrenwiththesamecancer.Armedwiththatdata,hebegantoworkwithcolleaguestodevelopasmartphoneappthatcanscanthephotosintheuser’scamerarolltosearchforwhiteeyeandcanbeusedasakindofophthalmoscope(眼底镜).CalledWhiteEyeDetector,itisnowavailableforfreeonGooglePlayandinApple’s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.comAppleStore.“Ijustkepttellingmyself,Ireallyneedtodothis,”Bryansaid.“Thisdiseaseistoughtodetect.Notonlycouldthissoftwaresavevision,butitcansavelives.”Whatisthetextmainlyabout?A．Howaboylosthiseye.B．Howanewappworks.C．Howafathersavedhisson.D．Howanappcameintobeing.2.（24-25高三·湖南·开学考试）Bike-sharesystemsholdthepotentialtoreducetrafficandpollutioninbigcities.Whiletheyhavereceivedconsiderableattention,theirpromiseofurbantransformationisfarfrombeing-fullyrealized.NewresearchinthejournalManagementSciencefoundakeyreasonisthatwhilecompanieshavefocusedonbikedesignandtechnologyaspects,therehasbeenminimalresearchdoneonoperationalaspectssuchasstationdensity(密度)andbike-availabilitylevels.“Almost80%ofbike-shareusagecomesfromareaswithin1,000feetofthebike-sharestations,orroughlyfourcityblocks,”saidElenaBelavina,oneofthestudyauthors.“Anythingpast1,000feet,potentialusersarealmost60%lesslikelytouseastation.”Thestudy,“Bike-ShareSystems:AccessibilityandAvailability”,analyzestherelationshipbetweenridershipandoperationalperformanceinbike-sharedesignsystemstoachievehigherridership.UsingdatafromtheVelib’systeminParis,withroughly17,000bikesand950stations,thestudyestimatestheimpactsoftwoaspectsofthesystemperformanceonbike-shareridership:accessibility,orhowfartheusermustwalktoreachstations,andbikeavailability.Therearetwoimpactsofavailability:First,ashort-termimpactisthatifnearbystationsdonothavebicycleswhenauserwantstotakeatrip,usersmustgotostationsfartherawayorabandonusingbike-share.Second,ifuserstypicallyexpectalowerchanceoffindingabic...