2019版高考英语一轮复习unit2robots达标巩固练含解析新人教版

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

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

3、ebeginstostealthebicycletowhichitisattached.Itisabletocontinuouslysensetheenvironmenttodistinguishbetweenspecificevents,forinstanceapassingtram/carandaserioustheft.Siegelcreatedaworkingmodelofanalarmthatwouldsoundwhenitsensedmovement,butwasn’tinitiallysurehowitwouldbebestatta

4、chedtoabicycle.“Idecidedtomountittotherailsoftheseatbecauseitallowsforcomfortableinteractionandthepositionislessobviousasitlookslikeasmallrepairkit,”hesays.SiegelchosetouseRFIDtechnologyratherthanBluetoothtokeepthecostsdown.Siegelexplainsthatthemostdifficultaspectofcreatingth

5、ealarmwastogettheelectroniccircuitdowntoasmallenoughsize.ThedevicerunsoffakindofbatterythatcanbechargedbyUSBwithin2hoursandlastsforafewdayswithnormaluse.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.Whe

6、nitsensesmovement,theRFIDBikealarmwill________.A.makeawarningsoundB.fastenthebicycletightlyC.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.Whichofthefollowingsshowstheri

7、ghtpositionoftheRFIDBikealarmonabicycle?【解析】选B。细节理解题。根据第一段中的TheRFIDBikealarmisattachedtotheseatonabicycleandgivesoffanalarmwhenitsensesmovement.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’ttellbetweenspecificeven

8、ts.B.Itisverydifficulttouse.C.Itusesakindofbatteryforpower.D.Itdepen