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ID:33720263
大小:67.98 KB
页数:8页
时间:2019-02-28
《话题11科普知识与现代技术》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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
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