0f the following functions which is NOT posses
问题详情
0f the following functions，which is NOT possessed by the navigation computer？
A．Showing a map 0f the region a driver plans to drive through
B．Predicting a car crash 0n the road．
C．Getting information about road construction，weather conditions，and traffic jams．
D．Showing the car’s position at all times and displaying it on the map． 请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
违背常识，所以判断B很可能答案。也可以利用原文内容：利用被选项中的核心词作为答案线索，这样在文章中找到答案相关句，判断答案：Beforestartingout0natrip．adrivercantypeinthecodefortheregionheorsheplanstodrivethrough．Thecomputerthenshowsamapofthatregion．(与A呼应)Atthesametime，atinyradioreceiverlinkedtothecomputergoestowork．ItpicksupsignalsfromnavigationsatellitessuchastheNAVSTARnetwork．Usingthesesignals,thecomputershowsathecar'spositionatalltimesanddisplaysthisposition0nthemap．(与D呼应)Thecomputercanalsocalculateanddisplaythebestroutetofollow．Anavigationcomputermayalsoreceiveandusedataaboutroadconstruction,weatherconditions,andtrafficjams．(与C呼应)
