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1、英语15选10练习题精品文档（一）ANepaliteenagerhasdesigneda£23solarpanelusinghumanhair.MilanKarki,whois18yearsoldandlivesinavillageinruralNepal,usedhumanhairtoreplacesilicon,whichisacommonbut(1)componentofsolarpanels.Byusinghairasa(2),Karkisaidthatsolarpanelscanbepro
2、ducedforaround£23,apricetagthatcouldbe(3)iftheyweremass-produced.Thesolarpanelworksbecausemelanin,thepigment(色素)thatgiveshairitscolor,islight(4)andcanactasanelectricalconductor.Karkiwasinspiredtofollowthis5byaStephenHawkingbook,which(6)howtocreatestati
3、cenergyfromhair.ThedevicethatKarkihas(7)iscapableofproducing9Vor18Wofenergy----plentyto(8)amobilephone.“Halfakiloofhaircanbeboughtforonly16pinNepalandwhereasapackofbatterieswouldcost50pandlastafewnights,”accordingtoTheDailyMail.Milanandhisfourclassmate
4、s(9)madethesolarpanelasanexperimentbuttheteensare(10)ithaswideapplicabilityandcommercialviability.Karkihasnowsentoutseveraldevicestootherdistrictsnearhishomefortesting.Hesaid,“FirstIwantedtoprovideelectricityformyhome,thenmyvillage.NowIamthinkingforthe
5、wholeworld.”A)routeB)chargeC)importantD)expensiveE)declinedF)replacementG)explainedH)sensitiveI)convincedJ)initiallyK)demonstratedL)simplyM)producedN)halvedO)sensibleDFNHAGKBJI(二)Women’sDaymarkstheroleofwomeninboththepastandthepresent.Itwasstartedto1th
6、eimportanceofworkingwomenandbringtheirproblemsto2.However,3thedayisnotaone-dayagenda.Therealchallengeliesinthenaturalflowoffeelings----honoringandcelebratingwomanhoodonaparticularMarch8onlytoforgetitsimportancethenextdayis4.IncountrieslikeSouthAfrica,t
7、hepeoplecelebratethenationalWomen’sdayonAugust9everyyearwithavarietyofevents.Women’sDayonAugust9markstheday,in1956,when20,000women5ontheUnionBuildingsinPretoriatoprotestagainstoneofthecornerstonesofapartheid(种族隔离)-----thepassedlaws.Thecountrieswillnowa
8、dayscelebratethemonthofAugust,byaceremony6womeninpoliticsanddecision-makingpositions,and7themcertificatesofhonor.InternationalWomen’sDaywascommemoratedintheUnitedStatesduringthe1910sand1920s,butthen8.Itwasrevivedduringthewomen’smovement
