英语15选10练习题

英语15选10练习题

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时间:2019-06-29

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1、8(一)ANepaliteenagerhasdesigneda£23solarpanelusinghumanhair.MilanKarki,whois18yearsoldandlivesinavillageinruralNepal,usedhumanhairtoreplacesilicon,whichisacommonbut(1)componentofsolarpanels.Byusinghairasa(2),Karkisaidthatsolarpanelscanbeproducedforaround£23,apricetag

2、thatcouldbe(3)iftheyweremass-produced.Thesolarpanelworksbecausemelanin,thepigment(色素)thatgiveshairitscolor,islight(4)andcanactasanelectricalconductor.Karkiwasinspiredtofollowthis5byaStephenHawkingbook,which(6)howtocreatestaticenergyfromhair.ThedevicethatKarkihas(7)i

3、scapableofproducing9Vor18Wofenergy----plentyto(8)amobilephone.“Halfakiloofhaircanbeboughtforonly16pinNepalandwhereasapackofbatterieswouldcost50pandlastafewnights,”accordingtoTheDailyMail.Milanandhisfourclassmates(9)madethesolarpanelasanexperimentbuttheteensare(10)it

4、haswideapplicabilityandcommercialviability.Karkihasnowsentoutseveraldevicestootherdistrictsnearhishomefortesting.Hesaid,“FirstIwantedtoprovideelectricityformyhome,thenmyvillage.NowIamthinkingforthewholeworld.”A)routeB)chargeC)importantD)expensiveE)declinedF)replacem

5、entG)explainedH)sensitiveI)convincedJ)initiallyK)demonstratedL)simplyM)producedN)halvedO)sensibleDFNHAGKBJI(二)Women’sDaymarkstheroleofwomeninboththepastandthepresent.Itwasstartedto1theimportanceofworkingwomenandbringtheirproblemsto2.However,3thedayisnotaone-dayagend

6、a.Therealchallengeliesinthenaturalflowoffeelings----honoringandcelebratingwomanhoodonaparticularMarch8onlytoforgetitsimportancethenextdayis4.IncountrieslikeSouthAfrica,thepeoplecelebratethenationalWomen’sdayonAugust9everyyearwithavarietyofevents.Women’sDayonAugust9m

7、arkstheday,in1956,when20,000women5ontheUnionBuildingsinPretoriatoprotestagainstoneofthecornerstonesofapartheid(种族隔离)-----thepassedlaws.ThecountrieswillnowadayscelebratethemonthofAugust,byaceremony6womeninpoliticsanddecision-makingpositions,and7themcertificatesofhono

8、r.InternationalWomen’sDaywascommemoratedintheUnitedStatesduringthe1910sand1920s,butthen8.Itwasrevivedduringthewomen’smovementinthe1960s,bu

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