Itisquitereasonabletoblametrafficjamsthecostofgasandthegreatspeedofmodernlifebutmannersontheroadarebecominghorrible.Everybodyknowsthatthenicestmenwouldbecomefiercetigersbehindthewheel.Itisallrighttohaveatigerinacagebuttohaveoneinthedriver'sseatisanothermatteraltogether.

Roadpolitenessisnotonlygoodmannersbutgoodsensetoo.Ittakesthemostcool-head?eddriversgreatpatiencetogiveupthedesiretobeatbackwhenforcedtofacerudedriving.Ontheotherhand，alittlepolitenessgoesalongwaytowardsreducingthepossibilityofquarrellingandfighting.Afriendlynodorawaveofthanksinanswertoanactofpolitenesshelpstocreateanatmosphereofgoodwillandcalmsonecessaryinmoderntrafficcondition.Butsuchbehav?iorsofpolitenessarebynomeansenough.Manydriversnowadaysdon'tevenseemabletorec?ognizepolitenesswhentheyseeit.

However，misplacedpolitenesscanalsobedangerous.Typicalexamplesarethedriverwhowavesatachildcrossingthestreetatawrongplaceintothepathofoncomingcarsthatmaybenotabletostopintime.Thesamegoesforencouragingoldladiestocrosstheroadwhereverandwhenevertheywantto.Italwaysamazesmethatthehighwaysarenotcoveredwiththedeadbodiesofthesegrannies.

Anexperienceddriver，whosemannersarefaultless，toldmeitwouldhelpifdriverslearnttocorrectlyjoinintrafficstreamwithoutcausingtotalblockagesthatgiverisetounpleasantfeel?ings.Unfortunatelymoderndriverscan'tevenlearntodrive.Yearsagoexpertswarnedusthatthefastincreaseofthecarownershipwoulddemandmoregive-and-takefromallroadusers.Itishightimeforallofustotakethismessagetoheart.

( )5.Accordingtothepassagetroublesontheroadareoftencausedby.

A.roadconditions B.thespeedofmodernlife

C.thebehaviorofthedrivers D.thelargenumberofcars

( )6.Inthewriter'sopinion .

A.driversshouldavoidtrafficjams

B.stricttrafficrulesarebadlyneeded

C.unskillfuldriversshouldbepunished

D.driversshouldshowroadpolitenessproperly

( )7.Theunderlinedword"give-and-take"inthepassagemeans .

A.politeness