高考英语二轮复习 特色重组练 特色重组练二 新人教版-新人教版高三全册英语试题VIP免费

特色重组练二Ⅰ.阅读理解A(2019·广东模考)Wehaveallbeenthere.Inarushtoleavethehousewegrabourphonesaheadoutofthedoor,realizingalltoolatethatthebatteryisdeadbecauseweforgottoplugitintothetablecloth.Orperhapswehavenot.Butthiscouldbeinfuturethatscientistshopetoexplorewithelectronicsheetsthatchargeourmobilephones,laptopsandotherequipmentbyharvestingenergyfromtheworldaroundus.Inastepinthatdirection,scientistsatMassachusettsInstituteofTechnology(MIT)havecreatedsuperthin,bendymaterialsthatabsorbwirelessInternetandotherelectromagneticwavesintheairandturnthemintoelectricity.Theleadresearcher,TomasPalacios,saidthebreakthroughsmoothedthewayforenergyharvestingcoversrangingfromtableclothstogiantpackingforbuildingsthatcatchenergyfromtheenvironmenttopowersensorsandotherelectronics.Palaciosandhiscolleaguesconnectedabendyantenna(天线)toaflexiblesemiconductor(半导体)layeronlythreeatomsthick.Theantennapicksupwifiandotherradiofrequencysignalsandturnsthemintoacurrent.Thisflowsintoaspecialsemiconductor,whereitischangedintoadirectelectricalcurrent.Researchershavemadeenergyharvesting“rectennas(整流天线)”before,butexistingequipmentismadefromconventionalsemiconductorswhichareinflexible,fragileandpracticallyimpossibletomakeinlargesheets.Thewifisignalscanfillanofficewithmorethan100microwattsofpowerthatisripetobecollectedbyenergyharvestingequipment.TheMITsystemhasanefficiency(效率)ofbetween30%and40%，producingabout40microwattswhenexposedtosignalsbearing150microwattsofpowerinlaboratorytests.“Itdoesn'tsoundlikemuchcomparedwiththe60wattsthatacomputerneeds,butyoucanstilldoalotwithit，”Palaciossaid.“Youcandesignawiderangeofsensors,forenvironmentalmonitoringorchemicalandbiologicalsensing,whichoperateatthesinglemicrowattlevel.”Medicalequipmentisanotherpotentialapplication.Becausewifiandsimilarradiofrequencysignalspassthroughpeople,energyharvestingcoverscouldbeappliedtoimplantedsensorstoprovidethemwithenoughpowertosendouthealthdatatoanoutsidereceiver.1．Whatdoestheunderlinedword“it”inParagraph1referto?A．Thephone.B．Thedoor.C．Thesheet.D．Thetable.答案：A指代判断题。上文提到你匆忙拿着手机出门，结果发现手机没电了，因为你忘记把它插入桌布了。故it代指手机。2．Whatisspecialaboutthenewbreakthrough?A．Itcanharvestwifienergy.B．Itissuperthinandflexible.CItcanpoweralltheelectronics.D．Itsmoothesthewayofreceivingsignals.答案：B细节理解题。由第二段中的“superthin,bendymaterials”可知，重大突破就是超薄、灵活。3．Whatisthemainideaofthelastparagraph?A．Anotherenergyharvestingequipment.B．Thefunctionofthehealthdatareceiver.C．Anotherpotentialapplicationofthenewequipment.D．Thewaytoimplantthenewequipmentintothepatient.答案：C段落大意题。由主题句“Medicalequipmentisanotherpotentialapplication.”可知，本段主要讲了新设备的另一个潜在应用。grabv.抓住；攫取batteryn.电池conventionaladj.符合习俗的，传统的；常见的；惯例的第二段第二句：Theleadresearcher,TomasPalacios,saidthebreakthroughsmoothedthewayforenergyharvestingcoversrangingfromtableclothstogiantpackingforbuildingsthatcatchenergyfromtheenvironmenttopowersensorsandotherelectronics.译文：首席研究员TomasPalacios说，这一突破为能源收集罩的发展铺平了道路，包括从桌布到建筑物的巨型包装。这种能源收集罩能从环境中获取能量，并为传感器和其他电子设备提供动力。分析：这是一个主从复合句，said后面是一个省略了that的宾语从句。而宾语从句中又含有一个定语从句，由that引导，修饰先行词covers。B(...