初中英语中考 阅读理解新素材.ppt

类型1跨学科背景语篇[2023河南中考]Energyistheabilitytodowork.SolarenergycomesfromtheSun.Thereisalsoenergythatcomesfromwindandwater.Butdoyouknowthatenergycancomefrompeople,too?Whenyoupedalabike,youproduceenergy.Youuseyourlegstopushthepedals.Yourenergyistransferred（转移）tothebike.Thatmakesthebikemove.

Nowimagineridingyourbiketocreateenoughpowertorunacomputer.Somestudentsatoneschooldidjustthat!Theyjumpedonbikesconnectedtogenerators（发电机）andpedaledinplace.Soontheywereproducingelectricity.Thisenergyisneededtoruntheircomputers.

Hereishowbicycle-poweredenergyworks.Whenastudentpedalsthebike,thebackwheelspins.Thewheelspinsthegenerator.Thegeneratorproduceselectricity.Aslongasastudentpedalsthebicycle,electricitymovesthroughthegenerator.Theelectricitycanbeusedrightaway.Thisenergycanalsobestoredandusedlater.

Peopleusebicycle-poweredenergytorunsmalldevices（设备）suchassmalltelevisionsandfans.Theyoftenuselessthan100wattsperhour.However,itwouldbeamistaketousepedalpowertorunafridge.Thislargemachineoftenusesmorethan700wattsperhour.Theelectricityforthesemachinescomesfrompowerlinesoverheadorunderground.Pedalpowercanbeseeninschools,gyms,andhomes.Whatafunwaytoprovideelectricity!

【短文大意】本文主要介绍了自行车动力能源的相关知识。

名师敲重点熟词生义Nowimagineridingyourbiketocreateenoughpowertorunacomputer.常用义：跑，参加（赛跑）句中义：使运行

1.话题引入方式Howdoesthewriterleadintothetopicbicycle-poweredenergyinParagraph2?()AA.Byaskingaquestion. B.Bytellingajoke.C.Byusinganoldsaying. D.Bymakingasurvey.【解题思路】细节理解题。根据第二段开头的Butdoyouknowthatenergycancomefrompeople,too?可知，作者通过提问的方式引出话题，故选A。

2.Whatdoestheunderlinedwordspinsmeaninthetext?()DA.Fallsdownsuddenly. B.Breaksupcompletely.C.Movesupanddownslo