2019年高考英语一轮复习 unit 3 inventors and inventions分层演练直击高考 新人教版选修8

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1、Unit3Inventorsandinventions阅读理解A(2018·河南实验中学模拟)Attheendofeveryyear,Timepicksthebest25inventionsthatare“makingtheworldbetterandsmarter”.Herewehavepickedthreeofthisyear’sinventionsthatcouldbeapartofyourlifeinthenearfuture.Thelevitating(悬浮的)lightbulbThisspeciallightbulbwasinventedb

2、yU．S.artistandscientistSimonMorris.Hegottheideaofmakingalightbulbfloatfromhoverboards(悬浮滑板),whichheusedtodreamofhavingasakid.Butthefloatingisnotthemostamazingpart.Therejectionforcebetweentheoppositeendsofthemagnets(磁铁),whichwereputinthebottomofthebulbandinthewoodenbase,doesthejo

3、b.What’snewhereisatechnologycalledinduction(电磁感应).Itallowsthelightbulbtogetpowerfromthebaseeventheyarenotincontact.ShoesthattiethemselvesThey’renotwhatyouthink—shoelacesthattiethemselvesinthewaywetiethem.Instead,thenewshoeshavesmallmotorsthatcontroltheirlaces.Whenyoustepintothem

4、,yourfeetwillhitasensor(传感器)intheshoesandthemotorwillautomaticallytightenthelaces.Buttheshoesweren’tjustdesignedforlazypeople’sneeds.Theycouldactuallygiveathletesanadvantageduringcompetition.Theyarealsousefulforpeoplewhocannotmovetheirarmsorfingerseasily.Thenotouchthermometer(体温

5、计)Takingyourbodytemperatureusuallymeansputtingathermometerinyourarmpits(腋窝)andstayingstillforminutes.Itmaybeeasyforyou,butit’sanimpossibletaskforlittlekids.Now,withthenewthermometer,userscansimplyputit2.5centimetersfromapatient’sforeheadandpressthebutton,anditcangetreadingintwos

6、econds.【解题导语】　每到年终岁尾，《时代周刊》都会评选出25项“让世界变得更加美好和智能”的最佳发明。本文介绍了其中的三项发明。1．Themostamazingaspectofthelevitatinglightbulbisthat___________．A．itcanfloatB．itsinventorismorethanascientistC．itmakesuseoftherejectionforcebetweentheoppositeendsofthemagnetsD．inductionallowsittogetpowerevenwhen

7、unconnectedwiththebaseD　解析：细节理解题。根据Thelevitating(悬浮的)lightbulb部分最后两句可知，悬浮灯泡最神奇的地方是这项电磁感应技术可以让灯泡不用接触底座就能通电。故选D项。2．Howisthenotouchthermometerdifferentfromotherones?A．Itmakesiteasiertotakekids’temperature.B．Youneedwaittwominutesforthereading.C．Youdon’tneedtopressthebutton.D．Itshoul

8、dbeputinone’sarmpit.A　解析：推理判断题。根据Thenotouchther