文档详情

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

发布:2024-12-03约2.78万字共19页下载文档
文本预览下载声明

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

(1)

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

显示全部
相似文档