阅读理解。Alotofcrimeisagainstbicycles.About150,000bicyclesarestoleneveryyearandmostareneverfound.Youcanpreventthishappeningbyfollowingafewcarefulsteps.BasicSecurityDonotleaveyoubicyclei

　　阅读理解。 Alotofcrimeisagainstbicycles.About150,000bicyclesarestoleneveryyearandmostareneverfound.

　　Youcanpreventthishappeningbyfollowingafewcarefulsteps.

　　BasicSecurity

　　Donotleaveyoubicycleinout-of-the-wayplaces.Alwayslockyourbicyclewhenyouleave.Secure(栓牢)

　　ittolampposts(灯柱)ortrees.Takeoffsmallerpartsandtakethemwithyou,suchaslightsandsaddles(车

　　座).

　　Locks

　　Getagoodlock.Therearemanydifferenttypesintheshops.Buyonethathasbeentestedagainstattack.

　　Askforarecommendationfromabikestop.

　　Marking

　　Securitymarkingyourbikecanactasadeterrenttoathief.Itcanalsohelpthepolicefindyourbicycle.It

　　shouldbeclearlywrittenandincludeyoupostcodeandyourhouseorflatnumber.Thiswillprovideasimple

　　waytoidentifyyourbicycle.

　　Registration

　　Thereareanumberofcompanieswhowillsecuritymarkyourbicycleforyou.Theywillthenputyour

　　registrationnumberandpersonaldetailsontheircomputerdatabase.Thenifyourbicycleisfounditwillbe

　　easytocontactyou.

　　Finallykeeparecordofthebicycleyourself:itsmake,modelandregistrationnumber.Youcaneventake

　　aphotographofit.Thiswillprovethebicyclebelongstoyou.1.Whichpartgivesyouinformationonhowtolockupyourbicyclewhenyouleaveit?[ ]

　　A.Locks.

　　B.Marking.

　　C.Registration.

　　D.BasicSecurity.2.Theunderlinedphrase"actasadeterrenttoathief"means_____.[ ]

　　A.helpyourecognizeyourbike

　　B.helpthepolicefindyoubicycle

　　C.stopsomeonestealingyourbicycle

　　D.stopyouworryingaboutyourlike3.Thearticleadvisesyoutokeeparecordofyourbicycle_____.[ ]

　　A.inthebikeshopandyourcomputer