话题11科普知识与现代技术

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1、话题11科普知识与现代技术一、阅读理解（共19小题；共38分）AInspiredbya9-year-oldcyclistwhousesonlypartofonehand,agroupofUniversityofGuelphstudentshaswonaninternationalawardfortheirinvention—abikebrakelever（刹车手柄）.Itpullsboththefrontbrakeandthebackbrakeatthesametime.LaurenTurnerwasabletorideher

2、bike,butnotasconfidentlyandquicklyasherfriends・"Shecouldn'tusethefrontbrake・Shewasonlyusingthebackbrake,butthefrontbrakemakesyoustoptwiceasfast/saysMichaWallace,whowithKatieBell,AninaSakaguchiandAndrewMorriswonsecondprizeintheJamesDysonAwardsfortheirsingle-handedbik

3、ebrakinglever・"Sheuseditalllastsummerandshehadnoproblems.Shesaidithelpedhergofasterbecauseshefeltmoreconfidentinherbrakingabilities.Shefeltsafer.nsaysWallace・Theinventionwasthefourth-yeardesignprojectforthefourstudents.Theydesigned,testedandcreatedaprototype（模型）with

4、inafour-monthperiod・WhenWallaceheardabouttheJamesDysonAwardsonthenews,sheandherco-inventorsenteredtheirprojectintheUK-basedcontest.Thecontestmainlyrewardsstudentdesignerswhocreateproductsthatimprovethewaywelive・TheGuelphstudentscollectedthesecondprize・£2,000forthem,

5、plus£500fortheirschool.Aswell,theyhadachancetomeetJamesDyson,aUKinventor.Whilepraisingthestudentsfortheircreativity,Dysonsaidthesingle-handedlevercouldimprovesafetyforallcyclists「Byusingbothbrakesatonce,”heexplains,Hyoucouldpreventthepossibilityofflyingoverthehcindl

6、ebarsandendingupwithaninjury.'1Thestudentsarehopingtosellthepatenttoamajorcompany.Itmaybeusedinotherdevicesthatrequiretwohandsforoperation.1・Thebikebrakeleverwasdesignedforthepurposeof.A・winningJamesDysonAwardsB.helpingpeoplebecomeconfidentC.applyingforapatentforthe

7、inventionD.helpingthedisabledridetheirbikesafely2.Whatcanweknowabouttheinventorsofthebrakelever?A.Theycreatedtheinventioninfouryears.B.Theywontheirschool£500fortheirinvention.C.TheywontheJamesDysonAwardsforfourtimes.D・Theysoldtheirpatenttoamajorcompany.2.Fromthepass

8、age,wecouldinferthatthebrakelever.A.hasalreadybeenwidelyusedB.alsoimprovesthebike'sspeedC・isonlyusefulfordisabledcyclistsD・willhaveawidema