2019版高考英语一轮复习Unit2Robots达标巩固练含解析新人教版选修7

2019版高考英语一轮复习Unit2Robots达标巩固练含解析新人教版选修7

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时间:2019-11-17

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1、Unit2Robots***阅读理解。Ifyouwantalittleextrasecurityagainstthievesstealingyourbicycle,designerDennisSiegelhasdesignedasolution.TheRFIDBikealarmisattachedtotheseatonabicycleandgivesoffanalarmwhenitsensesmovement.“TheRFIDBikealarmismeanttobeausefuladd-ontomechanicalbicyclelocksbecauseitgreatlyex

2、tendstherangeofprotectionwithonlyafewponents,”Siegelexplainsonhiswebsite.“Itislow-cost,durableandeasytouse.”TheBikealarmwasdesignedaspartofSiegel’sBachelor’sdegreethesisattheUniversityoftheArtsBremeninGermany.Thedevicewillscareoffanywould-bethiefthemomenthebeginstostealthebicycletowhichiti

3、sattached.Itisabletocontinuouslysensetheenvironmenttodistinguishbetweenspecificevents,forinstanceapassingtram/carandaserioustheft.Siegelcreatedaworkingmodelofanalarmthatwouldsoundwhenitsensedmovement,butwasn’tinitiallysurehowitwouldbebestattachedtoabicycle.“Idecidedtomountittotherailsofthe

4、seatbecauseitallowsforfortableinteractionandthepositionislessobviousasitlookslikeasmallrepairkit,”hesays.SiegelchosetouseRFIDtechnologyratherthanBluetoothtokeepthecostsdown.Siegelexplainsthatthemostdifficultaspectofcreatingthealarmwastogettheelectroniccircuitdowntoasmallenoughsize.Thedevic

5、erunsoffakindofbatterythatcanbechargedbyUSBwithin2hoursandlastsforafewdayswithnormaluse.AstheBikealarmisonlyatdevelopmentstage,Siegelhasn’tsignedanyagreementstoputitonthemarket.【文章大意】文章介绍了一种新型的防止自行车被盗的报警装置。1.Whenitsensesmovement,theRFIDBikealarmwill________.A.makeawarningsoundB.fastenthebi

6、cycletightlyC.shakethebicyclequicklyD.callthepoliceautomatically【解析】选A。细节理解题。根据第一段中的givesoffanalarmwhenitsensesmovement.以及第四段中的Siegelcreatedaworkingmodelofanalarm可知。2.WhichofthefollowingsshowstherightpositionoftheRFIDBikealarmonabicycle?【解析】选B。细节理解题。根据第一段中的TheRFIDBikealarmisattachedtothese

7、atonabicycleandgivesoffanalarmwhenitsensesmovement.以及第四段中的Idecidedtomountittotherailsoftheseat可知它应该安装在座子下面的横梁上,故选B。3.WhatdoweknowabouttheRFIDBikealarm?A.Itcan’ttellbetweenspecificevents.B.Itisverydifficulttouse.C.Itusesakindofbatteryforpower.D.ItdependsonBluet

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