备战2025年高考二轮复习 英语 阅读理解 文体分类练3　说明文之新发明，新产品类（含解析）.docx

文体分类练(三)说明文之新发明/新产品类

Passage1(2024宁夏银川二模)

主题:发明创造词数:324难度:★★★☆☆

3MandDiscoveryEducationannouncedSeanJiangfromGilmanSchoolasoneofthetoptenfinalistsfromacrossthenationforthe20233MYoungScientistChallenge.It’sacompetitionthatencouragesstudentstoidentifyaneverydayproblemandsubmitavideoshowingthesciencebehindthesolutionheorshecameupwith.

14-year-oldJiangdecidedtohelpthosewhocan’tsee.Blindpeoplehadahardtimenavigating(导航)objectsthataremediumtofarrange.SoJiangwantedtodesignsomethingtogivethemaheads-uponobstaclesthatmaybeincoming.

Jiang’sinspirationcamefromthepowersofthehearingsystem.“Ilearnedinschoolthatbatsandwhalesareabletouseecholocation(回声定位)tohelpthemnavigateandjustusetheirsenseofhearingandIalsosawonYouTubesomeveryskilledblindpeoplethatuseecholocationtohelpthemwalk,”saidJiang.

Jiangstartedwithavirtualrealitysettingandthenmadeitareality.Hiscreationusesadepthcamerathatcandetecthowcloseobjectsare,thusgivingenoughtimetododgetheobstacles.Whenablindiswalkingwiththedevice,thesensorofthedepthcameragatherstheinformationregardingtheobstacles’positionanddistance.ThentheAIsysteminitwillturnthedistancedataintomusicalsoundguidance.Thiscouldsignificantlyincreasethewalkingspeedofablindpersonaswellasdecreasethenumberofobstaclestheyhit.

Someothersimilarprogramswerealrightatfindingobjectsthatwereincloserange,butJiangstillwantedtheblindtoexperiencetheworldevenfullersotheywereabletoseestuffthatwasmuchfurtherawaythantheircircleofreach.

InOctober,thetoptenfinalistswillcompeteinpersoninMinneapolisforthetitleof“America’sTopYoungScientist”anda$25,000prize.

【语篇导读】本文是一篇新闻报道。文章主要报道了一个青少年SeanJiang的发明创造,他发明的设备能用声音帮助盲人顺利行走。

1.WhatcanwelearnaboutJiangfromthefirsttwoparagraphs?

A.Hewasthechampiono