英语阅读主旨大意练习

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1、AOneeveninginFebruary2007,astudentnamedPaulaCeelybroughthercartoastoponaremoteroadinWales.Shegotouttoopenametalgatethatblockedherpath.That’swhensheheardthewhistlesoundedbythedriverofatrain.HerRenaultCliowasparkedacrossarailwayline.Secondslater,shewatchedthetraindraghercaralmostaki

2、lometredowntherailwaytracks.Ceely’s nearmiss madethenewsbecausesheblameditonheGPS(导航仪).Shehadneverdriventheroutebefore.Itwasdarkandrainingheavily.CeelywasrelyingonherGPS,butitmadenomentionofthecrossing.“Iputmycompletetrustinthedeviceanditledmerightintothepathofaspeedingtrain,”shet

3、oldtheBBC.Whoistoblamehere?RickStevenson,whotellsCeely’sstoryinhisbookWhenMachinesFailUs,pointsthefingeratthelimitationsoftechnology.Weputourfaithindigitaldevices,hesays,butourdigitalhelpersaretoooftennotuptothejob.Theyarefilledwithsmallproblems.Andit’snotjustGPSdevices:Stevensont

4、akesusonatourofdigitaldisastersinvolvingeverythingfrommobilephonestowirelesskeyboards.Theproblemwithhisargumentinthebookisthatit’snotclearwhyheonlyfocusesondigitaltechnology,whiletheremaybeanumberofotherpossiblecauses.Amap-makermighthaveleftthecrossingoffapapermap.Maybeweshouldbla

5、meCeelyfornotpayingattention.Perhapstherailwayauthoritiesareatfaultforpoorsingallingsystem.OrmaybesomeonehasstudiedtherelativedangersandworkedoutthattherereallyissomethingspecificwrongwiththeGPSequipment.ButStevensondoesn’tsay.It’saproblemthatrunsthroughthebook.Inasectiononcars,St

6、evensongivesanaccountoftheadvancedtechniquesthatcriminalsusetodefeatcomputer-basedlockingsystemsforcars.Heofferstwoindependentsetsoffiguresoncartheft;bothshowasmallriseinsomepartsofthecountry.Hesaysthatonceagainnotallnewlockshaveprovedreliable.Perhaps,butmaybeit’salsoduetotheshort

7、ageofpolicemenonthestreets.Orchangingsocialcircumstances.Orsomecombinationofthesefactors.Thegamebetweenhumansandtheirsmartdevicesisamusingandcomplex.Itisshapedbyeconomicsandpsychologyandthecultureswelivein.Somewhereinthemixofthoseforcestheremaybeawayforawiseruseoftechnology.Ifther

8、eissuchaway,itshouldinvolvemoreth