ResearchersfoundthatcomparedwithteenswhospentmuchoftheirfreetimeinfrontofTVsetsthosewhowerephysicallyactiveoftenhadhigherself-respectbettergradesandwerelesslikelytohaveriskybehaviorliketakingdrugssmo
ResearchersfoundthatcomparedwithteenswhospentmuchoftheirfreetimeinfrontofTVsetsthosewhowerephysicallyactiveoftenhadhigherself-respectbettergradesandwerelesslikelytohaveriskybehaviorliketakingdrugssmokingordrinking．Thefindingsbasedonanationalsurveyofnearly12000middleandhighschoolstudentswerepublishedinajournal．
"AcrosstheboardchildrenwhoengagedinanykindofactivitywerebelieroffthankidswhowatchedalotofTV"saidstudycoauthorprofessorPennyGordonLarsenoftheUniversityofNorthCarolina．
Otherstudieshavelinkedcertaincontentoftelevisionprogramssuchasviolenceandsextochildren'sbehavior．ButbeyondthisissueGordon-LarsensaidthatkidswhospendhourswatchingTV"missopportunities"todevelopskillslearnteamworkandhaveotherexperiencesthattheirmoreactivepeersbenefitfrom．
Thatdoesn'tmeanhoweverthatkidshavetobeonthefootballteam．Thestudyfoundthatsomeactivitieslikeskatingandskateboarding——whichadultssometimesfrownupon——werealsorelatedtobetterselfrespectandlessrisktaking．
ThatskaterswerebetterbehavedthanTVwatchersmightcomeasasurprisetosomeadultswhoconsidertheseteenstobebadaccordingtoGordon-Larsen．Skateboardingisforbiddeninmanypublicareasandsomecommunitiesopposebuildingskatingparks．Butifkidswholiketoskatehavenowheretodoit"it'sashame"saidGordon-Larsen．
Notonlyshouldparentsencouragetheirkidstoengageiiithephysicalactivitiestheyenjoyshesaidbutschoolsandcommunitiesshouldalsodomoretocreateopportunitiesforchildrentobeactive．
1.Fromthepassageweknowthat .
A．physicallyactivekidsgetintolesstrouble
B．moreskatingparksarebeingbuilt
C．kidswhospendhourswatchingTVbenefitalot
D．kidswhohavenowheretoskatetendtotakedrugs
2.Ifyourkidisafootballplayerheismorelikelyto____
A．getintothehabitofsmokingordrinking
B．developteamworkspirit
C．haveriskybehaviors
D．failintheschoolwork
3.Thispassageismainlywrittento___ ．
A．offersomeinformation