Unit 6 When was it invented?阅读理解专练-2024-2025学年九年级英语上学期单元重难点专题提优训练(人教版)(原卷版).docx
2024-2025学年九年级英语上学期单元重难点专题提优训练(人教版)
Unit6阅读理解专练
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AlfredoMoserisaBrazilianworkerwhoisskilledatrepairingmachines.Hiswifesaysherhusbandhasalwaysbeenhandy(手巧的)athomeandmadetablesandchairs.Alfredohasinventedawayoflightinghishouseduringthedaywithoutelectricity.
Hehasbeenusingplasticbottlesfilledupwithwaterandalittlebleach(漂白剂)toprovidedarkroomswithlightformanyyears.Andtheideahasnowspreadacrosstheworld.Itispredictedthathislightingsystem,whichworksusingrefraction(折射)ofsunlight,willbefittedinoveramillionhomesbytheendofthisyear.
Alfredousednormalplasticdrinksbottlesthatareoftenthrownaway.Thesecretoftheliquidinthebottlesisthebleachaddedtowater,whichstopsitturninggreeninthesunlight.Mr.Moserdrillsaholeinarooftile(在屋瓦上钻洞)andthenpushesthebottleinfrombelow,keepingthebottleinplacewithpolyesterresin(聚酯树脂).Dependingonthestrengthofsunlight,thelightfillshishome,andthebottlesarejustlikeelectricbulbsofbetween40and60watts(瓦特).
Alfredocameupwiththeideaforhis“Moserlight”duringoneoftheblackoutsinBrazilin2002.Hesaidonlyfactorieshadpowerinhishomecity,insouthernBrazilduringtheenergyshortage.
Thelocalsupermarketandhisneighbors,housesareutilizingMoserlights.Heearnedafewdollars,buthisinventionhasnotmadehimarichman.Nowagreatnumberofpeopleadmirewhatheisdoing!
1.WhatdidAlfredo’swifethinkofhim?
A.Alfredowasalwaysbusyrepairingmachines.
B.Alfredocouldn’tdoanyhousework.
C.Alfredowascleverwithhishands.
D.Alfredowasahelpfulmantosaveourworld.
2.WhydoesAlfredoputalittlebleachintothebottle?
A.Becausethebottlecangivemorelight.
B.Becausethebleachcankeepthebottleinarooftile.
C.Becausethebleachcanprotectwaterfromturninggreen.
D.Becausethebleachcanreflectthesunlight.
3.Whi