资源描述：
《2019届高三英语二轮复习书面表达专项练习（13）概要写作一》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、概要写作一1、阅读下面短文,根据其内容写一篇60词左右的内容概要。 Weallhavedailyproblemswithtechnology,buthowmanyofuscanfixthem?MyaLeThai,ascientistfromtheUniversityofCalifornia,Irvinerecentlydiscoveredaprocessthatmightresultinbatteriesthatcouldlastforever. Thaisaidshewasfrustratedthatthebatteriesforherwireles
2、sdevicesdegraded.Overtime,theyfailedtochargefully.Thaididnotliketokeepherwirelesslaptopconnectedtoanelectricaloutlet.Shedecidedtodosomethingaboutthatproblem.Atfirst,sheandherteamatUCIrvinethoughtaboutinventinganewbattery.Butastheyexperimented,Thaidiscoveredsomethingthatmightpermitli
3、thium-ion(锂离子)batteriestolastforever.Lithium-ionbatteriespowermostwirelessdevices.Overtime,thebatterieslosetheabilitytoholdacharge.Oneofthereasonswhylithium-ionbatteriesdegradeistheiruseofnanowires(纳米线)tocarryelectricity.Nanowiresareextremelythin.Theyareextremelyefficientcarriersofe
4、lectricity,whichmakesthemusefulinbatteries.Buttheirthinnessalsomakesthemweak.‘‘Nanowiresbreakovertime,"shesaid.“That’swhytheylosecapacity.’’ But,Thaihadatheory:Thenanowiresmightlastlongerifcoveredwithagel.Sheandtheteamtestedhertheory.“Itwasalongprocessandalotofwork,"Thaisaid.Thete
5、amtriedmanycoveringsforthewires.Thenanowireswerecoatedwithagel,PMMA,andcycledthroughcharging200,000times.Thegelshowednoevidenceofdamage.Theresultssuggestedthatbatteriescouldlastforeverwithoutlosingchargingability. Thaisaid200,000cyclesamounttoaboutthreemonthsonjustonedevice.Thaiho
6、pestocontinueherresearchtoseeifanyothergelcouldworkbetter. ThaitellsVOAsheisenjoyingthepublicityaboutherdiscovery.Shesaidsheneverexpectedherresearchtogetmediacoverage.“It’skindofcool,”shesaid.“I’mreallygladpeopleareshowinginterestinmywork—notjustintheworkitself,butalsointechnology
7、andenergy.”2、阅读下面短文,根据其内容写一篇60词左右的内容概要。 Youmightthinkthatwhetheryouchooseablueshirtorayellowonetoweartoworkorcollegemakesnodifferencetoyourdayandthosearoundyou.However,anincreasingnumberofexpertsarguethatthecolorswechooseaffectourmood,ourcareerprospectsandevenourhealth. Thepower
8、ofcolorhasbeenusedf
