阅读下面短文，选出最佳答案。Host:BoysandgirlswelcometoTeenTalk.DoyouoftenmakefriendsontheInternet?Doyouhaveyouarechattingwithyournetfriends?Whatproblemsmakeyoupuzzled(困惑的)?Tod

　　阅读下面短文，选出最佳答案。

　　Host:BoysandgirlswelcometoTeenTalk.DoyouoftenmakefriendsontheInternet?Doyouhaveyou

　　arechattingwithyournetfriends?Whatproblemsmakeyoupuzzled(困惑的)?

　　TodayDavidSmithishere.Hewillgiveussomeadvice.Problems

　　Advice

　　Peer:Ifmynetfriendswanttoknowmy

　　phonenumberwhatshouldIdo?

　　David:You'dbetternottellstrangersyour

　　phonenumber.

　　Knowingyourphonenumbertheymight

　　know

　　whereyouliveandtheycancall

　　vouorvourDarentsoften.Sometimesitwill

　　bringyoumuchtrouble.John:SometimesImeetsomeadults.Ihave

　　nothingtochatwiththemWhatshouldIdo?David:Ifyoudon'tliketalkingwiththem

　　skipit.Andlookfor

　　someinformationyoulike.Butsometimes

　　adultsmaygiveyousomeusefuladvice.George Iftheywanttovisitmy

　　homeorinvitemetotheir

　　homeswhatshouldIdo?

　　David: Ifyouwanttoseethemmakesure

　　thatatleastoneofyour

　　parentscangotomeetthemtoo.Inviting

　　themtoyourhouseis

　　goodorletaparenttakeyouovertotheir

　　houses. Besureyou

　　haveaparentalongwithyou.Victor:Thenwhatelseshould

　　wepayattentionto?

　　David:Ifsomeoneasksyounottotellyour

　　parentsabouthim/her

　　youmusttellyourparentsatonce.Ifthey

　　don'ttellyoumuchabout

　　themselvesmaybethey'renottheonesthey

　　saytheyareHost:It'stimetoendtheprogram.Thankyou.David: Boysandgirlsifyouareoftenonlinebecareful.Don'tletstrangersknowyouveryeasily1.Thispassageisa_____.

　　A.talkshow

　　B.pieceofnews

　　C.speech

　　D.class

　　2.What'stheproblemwiththekids?

　　A.Theydon'tknowhowtotalkwithDavidSmith.

　　B.Thevdon'tknowwhattodoontheInternet.

　　C.Thevdon'tknowhowtolookforinformationontheInternet.

　　D.Theydon'tknowwhattodowhentheirnetfriendsaskthemtodosomet