【阅读理解.Asoneapproachessomecrossroads,onecomestoasignwhichsaysthatdrivershavetostopwhentheycometothemainroadahead.Atothercrossroads,drivershavetogoslow,buttheydonotactuallyhavetostop(unless,ofcours】

　　阅读理解. Asoneapproachessomecrossroads,onecomestoasignwhichsaysthatdrivershavetostopwhen

　　theycometothemainroadahead.Atothercrossroads,drivershavetogoslow,buttheydonotactually

　　havetostop(unless,ofcourse,thereissomethingcomingalongthemainroad);andatstillothers,theydonothaveeithertostoportogoslow,becausetheyarethemselvesonthemainroad.

　　Mr.Williams,whowasalwaysaverycarefuldriver,wasdrivinghomefromworkoneeveningwhen

　　hecametoacrossroads.Ithada"Slow"sign,sohesloweddownwhenhecametothemainroad,

　　lookedbothwaystoseethatnothingwascoming,andthendroveacrosswithoutstoppingcompletely.

　　Atonceheheardapolicewhistle,sohepulledintothesideoftheroadandstopped.Apoliceman

　　walkedovertohimwithanotebookandpencilinhishandandsaid,"Youdidn'tstopatthecrossing."

　　"Butthesigntheredoesn'tsay"Stop","answeredMr.Williams."Itjustsays"Slow",andIdidgoslow."

　　Thepolicemanlookedaroundhim,andalookofsurprisecameoverhisface.Thenheputhisnotebook

　　andpencilaway,scratchedhisheadandsaid,"Well,I'llbescolded.Iaminthewrongstreet!" 1.Whichofthefollowingstatementsiscorrect?A.Stopsignscanbefoundateverycrossroads.

　　B.Atcrossroadswitha"Slow"sign,driversneverhavetostop.

　　C.Atcrossroadswitha"Slow"sign,drivershavetostopandthengoslow.

　　D.Atsomecrossroads,driversneedn'tstoporgoslow.2.Whatdoyouthinkthepolicemanwoulddointheend?A.FineMr.Williams.

　　B.Takehimtothepolicestation.

　　C.ApologizetoMr.Williams.

　　D.GiveMr.Williamshisnotebookandpencil.3.Whichmightbethebesttitleforthispassage?A.Signsatthecrossroads &