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1、课时作业14 Astronomy：thescienceofthestarsⅠ.阅读理解InLosAngeles,driversspendsixtyonehourseveryyearstuckintraffic.Thesedriversknowalltoowellhowbadthetrafficcanbe.“There'retoomanycars,andyoucan'tmovearoundalot.”ProfessorCyrusShahabialsoknowsabouttrafficjams.Helivesmorethan65kilometersfromhisofficeattheUnivers
2、ityofSouthernCalifornia,inLosAngeles.Heisalwayslateevenwiththehelpofanavigation(导航)system.HedecidedtodevelopaprogramcalledClearPathforthat.Hesayshisprogramuseshistoricaldatatopredicttrafficconditionsevenbeforethedriverleavesthehouse.“What'suniqueisthatweusealotofdatathat'scurrentlybecomeavailableinc
3、ludingtrafficdata,weatherdata,andweanalyzethatsothatwecanpredictwhat'sgoingtohappeninfrontofyouwhenyouleavehome.”ProfessorShahabisayshissystemdoesmorethanjustrespondtocurrenttrafficconditions.WithClearPath,hesays,adrivercandecidewhattimehewantstoleave,andClearPathwillgivethefastestroute.Itlooksatthe
4、entireroadnetwork,includingsurfacestreetsaswellashighways,beforethedriverhitstheroad.ProfessorShahabihopestohaveClearPathavailablenationwideandoverseasoncetheycancollecttrafficdatafromothercities.“IalwaysthoughtthatLosAngeleshadtheworsttraffic,butnowIknowthatShanghai,Beijing,Seoul,Tokyo,believeitorn
5、ot,Singapore,HongKongcertainlyareexamplesthatcanimmediatelyusethis.”ProfessorShahabihopestosharethisnewtechnologywithcompaniesthatalreadyhavenavigationsystems,suchasGoogleandApple.1．DriversinLosAngeleswerementionedinorderto______.A．showcareforthem B．introducetheirlifeC．solvetrafficproblemsD．raise
6、thetopic2．WhatisuniqueaboutClearPath?A．Itcanusealotofinformationallovertheworld.B．Itcanensurethatyouwillneverbelateforwork.C．Ithelpsdriversseeclearlywhathappensontheroad.D．Ithelpsdriversknowtheroadconditionsaheadoftime.3．Theunderlinedword“hits”inthefourthparagraphprobablymeans________.A．haveanaccide
7、ntB．gettoC．turnleftorrightD．collecttrafficdata4．What'sProfessorShahabi'sattitudetowardhisinvention?A．Disappointed.B．Proud.C．Optimistic.D．Worried.答案与解析1．D 写作意图题。通过举例来引起下文，提出主题。2．D 细节理解题。由第三段中What'suniq
