阅读与回答问题（本题共5小题，每小题2分，满分10分）请认真阅读下面短文，并根据短文内容回答问题。Youngchildrendon'thavetheskillsorknowledgetostaysafeinheavytraffic.Thefollowingadvicewillbe

　　阅读与回答问题（本题共5小题，每小题2分，满分10分）请认真阅读下面短文，并根据短文内容回答问题。

　　Youngchildrendon'thavetheskillsorknowledgetostaysafeinheavytraffic.Thefollowingadvicewillbehelpfulforyoutokeepyourchildrensafeinheavytraffic.

　　Childrenlearnaboutroadsafetybywatchingothers.Makesurethatyoualwayssetgoodexamples.Yourchildrenwillfollowyouandthinkit'sOKtodolikeyou.Teachyourchildrentopayattentiontotrafficlightswhenyoucrosstheroadtogetherwiththem.Thishelpsthemunderstandwhenit'ssafetocross.Makesurethatyouwalkbetweenyourchildrenandtrafficandholdtheirhandsallthetime.

　　Whenyourchildrenarealittleolderyoucanstarttotellthemtheimportanceoftrafficknowledge.Letthemstarttounderstandthereasonswhytheyneedtobesocareful.Talkwiththemaboutroadsignsandtrafficrules.

　　Askyourchildrentoplayinasafeplace.Neverletthemridebikesontheroadwithoutanadultpresentatrushhours.

　　Themostimportantthingyoucandotokeepyourchildrenfromgettinghurtistoencouragethemtofollowtrafficrules. Afterknowingabouttrafficrulesthey'llvolunteertoobeythem.Inthiswaythey'llbecarefulenoughtokeepthemselvesawayfromdanger.

　　1.Whoshouldsetgoodexamplestoyoungchildrenonroads?

　　2.Whatshouldchildrenpayattentiontowhencrossingtheroad?

　　3.Whenshouldyoungchildrenneverridetheirbikesaloneontheroad?

　　4.Whatshouldchildrenlearnabouttrafficwhentheyarealittleolder?

　　5.Whatisthewriter'spurposeofwritingthepassage?(请自拟一句话作答)