资源描述:
《thinking small pays off》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、Thinkingsmallpaysoff诺贝尔大奖揭晓,微观世界成为热门。词数380建议阅读时间7分钟测试见IV版Biggerisn’talwaysbetter.Manyscientistswillagree.ThisyeartheNobelPrizegavethebiggestprizestofindingsonthesmallestofscales.Self-eatingcellsThisyear’swinneroftheNobelPrizeinMedicineisfromJapan.Accordingtohisresear
2、ch,cells(细胞)sometimes“eat”themselvestokeephealthy.Inotherwords,cellscanbreakdownoldonesandusetheusefulpartstomakenewcells,ortofightoffviruses(病毒).Thisnewfindingcouldhelpscientistsfightmanydiseases.SmallmachinesThreescientistsfromFrance,theUnitedKingdomandtheNetherlan
3、ds(荷兰)wontheNobelPrizeinChemistryfortheirworkonsmallmachines.Howsmall?Well,theyareathousandtimesthinnerthanastrand(缕)ofhair.Wecan’tseethemwithonlyoureyes!Thistechnologywillopenawholenewworldforus.Forexample,wecouldmakeverysmallrobotsinthefuture.Adoctorcouldputthemint
4、oourbody.Likepolicemen,therobotslookfortheillpartsinourbody,andsendthemedicinerightthere.Super-stateAsteacherssaidinyourphysicsclass,mostthingsintheworldareinthreestates:solids(固体),liquids(液体)andgases(气体).Butatveryloworhightemperatures,thingscanturnintoastrangestate.
5、vForexample,breakdownthingstotheirsmallestpiecesandweget“atoms”(原子).LikeLegobuildingblocks,atomsusuallyadduptobecomea3-Dthing,likeabox.Butatomsinthestrangestatedon’t.Theystaytogetherandbecomeaflatthing,likeapieceofpaper.ThisisanewfindingofthreeBritish-bornscientists.
6、AndtheywontheNobelPrizeinPhysicsthisyear.TheyhopetousethingsinthisstrangestatetomakenewmaterialsAboutthePrizeTheNobelPrizewasstartedbySwedishinventor(发明家)AlfredNobelin1895.Itgivesprizestogreatscienceresearchandthepeoplebehindit.EveryyearinOctober,theRoyalSwedishAcade
7、myofSciencesdecideswhowins.Itincludessixprizes:chemistry,physics,physiology(生理学)ormedicine,peace,literature(文学),andeconomic(经济学的)sciences.Thisyeareachwinnergetsamedalandprizemoneyofmorethan6millionyuan. Thinkingsmallpaysoff(P4-5)Choosetheanswer:1.Whichofthefollowing
8、isNOTtrueabout“self-eating”cells?A.AJapanesescientistfoundthem.B.Theycanbreakdownoldcells.C.Theyusetheoldpartstomakenewcells.D.They