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1、2017年南大专转本英语实战卷本试卷分第I卷（客观题）和第II卷（主观题）两部分。两卷满分150分。考试时间120分钟。第I卷（共100分）注意事项：1、答第I卷前，考生务必按规定要求填涂答题卡上的、号等项目及卷首和第7页上的；2、用铅笔把答题卡上相应题号中正确答案的标号涂黑。答案不涂在答题卡上，成绩无效。PartIReadingComprehension（共20小题，每小题2分，共40分）Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyfourc
2、omprehensionquestions.Readthepassageandanswerthequestions.ThenmarkyouranswerontheAnswerSheet.Passage1Questions1to5arebasedonthefollowingpassage:Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwithagun,butthemanwiththeportablecomputerinbusinessclass.Inthela
3、st15years,pilotshavereportedwellover100incidentsthatcouldhavebeencausedbyelectromagneticinterference.Thesourceofthisinterferenceremainsunconfirmed,butincreasingly,expertsarepointingtheblameatportableelectronicdevicesuchasportablecomputers,radioandcassetteplayersandmo
4、biletelephones. RTCA,anorganizationwhichadvisestheaviation(航空)industry,hasrecommendedthatallairlinesban(禁止)suchdevicesfrombeingusedduring“critical”stagesofflight,particularlytake-offandlanding.Someexpertshavegonefurther,callingforatotalbanduringallflights.Currently,
5、rulesonusingthesedevicesareleftuptoindividualairlines.Andalthoughsomeairlinesprohibitpassengersfromusingsuchequipmentduringtake-offandlanding,mostarereluctanttoenforceatotalban,giventhatmanypassengerswanttoworkduringflights. Thedifficultyispredictinghowelectromagnet
6、icfieldsmightaffectanaircraft’scomputers.Expertsknowthatportabledeviceemitradiationwhichaffectsthosewavelengthswhichaircraftusefornavigationandcommunication.But,becausetheyhavenotbeenabletoreproducetheseeffectsinalaboratory,theyhavenowayofknowingwhethertheinterferenc
7、emightbedangerousornot. Thefactthataircraftmaybevulnerable(易受损的)tointerferenceraisestheriskthatterroristsmayuseradiosystemsinordertodamagenavigationequipment.Asworrying,though,isthepassengerwhocan’theartheinstructionstoturnoffhisradiobecausethemusic’stooloud.1.Thepa
8、ssageismainlyabout________. A)anewregulationforalairlines B)thedefectsofelectronicdevices C)apossiblecauseofaircraftcrashes D)e
