欢迎使用题易搜网站

题易搜

在线题库

[简答]  二、阅读理解:阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。NewMaterialCanCoolBuildingsResearchersatStanford Universityhavedevelopedanewmaterialthatcanmoveheatoutofbuildingsandintospace.Thematerialcancoolbuildingsevenonhotdays.Thecoolingmaterialisaverythinsheetwithmanylayersthatcouldbeplacedonarooflikesolarpanels.However, insteadofturningsunlightintoenergyassolarpanelsdo,thematerialturnsheatintoinfraredradiation.ShanhuiFanisanelectricalengineeringprofessoratStanford University.Hesaysthatthepanelshavealayerofmaterialthatislikesand.Thepanelsalso actlikeamirror.Theytakeheatoutofbuildingsandreflectthelightfromthesun.Boththeheatandsunlightaresent100kilometersintoouterspace.Thepanelsarecooltothetouch,eveninthesun.Researcherssaytheycanreducetheindoortemperaturetonearly5degreesCelsiusbelowthetemperatureoutside.Mr.Fansaysitislikehavingawindowintospace.Hesaystheheatissentdirectlyintospacewithoutwarmingtheair. Buildingsindevelopingcountriesthatdonothaveelectricityorairconditioningcouldusethepanels.Inareaswhereoneisoff-grid,thereisasignificantpotentialbenefitforstoringmedicineorevenfood. Inmanyofthesesituations,beingabletoreducethetemperatureisimportant.Andthiswouldprovideawaytodoit.TheStanfordresearchersdescribedtheirtechnologyinthesciencepublicationNature.Theysaythemainproblemiscreatingactualcoolingsystemsusingthehigh-techpanels.Itmaybepossibletodevelopacoolingspraytechnologyinthenextthreetofiveyearsthatcouldbeusedonexisting solidstructures. 1.Thematerialcancoolbuildingsonly oncold days.2.Thematerialturnsheatintoinfraredradiation becauseitisaverythicksheetwithmanylayersthatcouldbeplacedonarooflikesolarpanels.3.Theheatofthebuildings andsunlightaresent100kilometersintoouterspace bythepanels.4.Theoff-gridareasmayusethepanelstoreducethetemperatureofbuildingstostoremedicineorevenfood.5.A coolingspraytechnology maybedeveloped inthenearfuturethatcouldbeusedonexistingsolidstructures.

发布时间:2022-09-12 0次
您需要登录才可以下载或查看,没有账号?会员注册