【素養(yǎng)閱讀】人造光

素養(yǎng)閱讀系列課件課標(biāo)話題--《現(xiàn)代技術(shù)》篇人造光讀有所獲練有所得思有所悟視野拓展Thinkabouthowyouuseartificial（人造的）lighteveryday.Inthemorning,alightonyourclockshowsthetime.Whenyouuseyourcomputer,television,andphone,theirscreenslightup.Trafficlightstellyouwhentostopandgowhenyoudrive.Youturnonlightsinyourcarandinyourhouseatnight.Thesearejustsomeofthewaysyouuseartificiallight.Nowthinkaboutlivingwithoutartificiallight.Howdifferentwouldyourlifebe?Inthepast,peopleusedfireforlightatnight.Thenfrom讀有所獲練有所得思有所悟視野拓展3,000BC,peoplestaredusingcandles.Afterthatlampswereinvented.Peopleusedoilandgastolightthelamps.Finally,in1879,ThomasEdisoninventedasafeandeasywaytousetheelectriclightbulb（電燈泡）.Hisinventionchangedourworld.Beforethelightbulb,peopledidnotdomuchatnightbecauseitwasdark.Electriclightchangedthat.Businessesgrew.Peoplecoulddomoreatnight,andtheycoulddothingsduringthedaymoreeasily.Ifyoulookatapictureofourplanetfromspaceatnight,youcanseehowthelight讀有所獲練有所得思有所悟視野拓展bulbchangedlifeonEarth.Wedependonelectriclightfromenergysources（來源）likeoil,gas,orcoal.Butthoseenergysourcescreatedpollution（污染）.Oneanswertothisproblemistouseacleanersourceofenergy,forexample,solarpower（太陽能）.Scientistshavefoundawaytocatchtheenergyofthesun'slightandsaveittouselater.Sonowthesuncanlightourhomesatnight.讀有所獲練有所得思有所悟視野拓展1Trafficlightshelpus______.A.seecarsontheroadB.seetheroadaheadC.driveontheroadD.knowthetime答案：C細(xì)節(jié)理解題。根據(jù)第一段可知，交通燈可以告訴我們什么時(shí)候開車什么時(shí)候停車，因此C項(xiàng)正確。答案解析讀有所獲練有所得思有所悟視野拓展2Whichofthefollowingdoesn'tmakeartificiallight?A.Thelamp.B.Thebulb.C.Thecandle.D.Thesun.答案：D細(xì)節(jié)理解題。根據(jù)第二段可知，臺(tái)燈、電燈泡和蠟燭都能產(chǎn)生人造光，太陽光是自然光，因此選擇D項(xiàng)。答案解析讀有所獲練有所得思有所悟視野拓展3Whycouldtheelectriclightbulbchangetheworld?A.Itgivesoutbrighterlight.B.Itallowsworkingatnight.C.Itdoesn’tneedoilorgas.D.Itdoesn’tcausepollution.答案：B細(xì)節(jié)理解題。根據(jù)第三段可知，電燈泡使人們?cè)谕黹g的活動(dòng)更方便，從而極大地促進(jìn)了晚間人們的活動(dòng)，因此B項(xiàng)正確。答案解析讀有所獲練有所得思有所悟視野拓展4Scientistsstudysolarenergyto______.A.makebrighterlightB.getmorelightC.producemoreheatD.makelesspollution答案：D細(xì)節(jié)理解題。根據(jù)第四段可知，人們?yōu)榱藴p少污染，利用清潔能源來代替?zhèn)鹘y(tǒng)燃料，太陽能就是一個(gè)例子，因此D項(xiàng)正確。答案解析讀有所獲練有所得思有所悟視野拓展Whatcanwedotoreduce(減少）pollution?Theelectriclightbulbuseselectricasenergy,whileelectriccomesfromburningoil,gasandcoal,whichcausesmuchpollution.Sowecansaveelectricityasmuchaspossibletosaveourenvironment.讀有所獲練有所得思有所悟視野拓展可再生能源