英语阅读题Spendingtimeonlineisnormalbehaviorforteenagers.ButtoomuchInternetusebyteens--ortoolittle,forthatmatter--mightberelatedtodepression,anewstudyfinds.Thefindings,reportedinthejournalofPediatrics,donotmea

　　英语阅读题

　　Spendingtimeonlineisnormalbehaviorforteenagers.ButtoomuchInternetusebyteens--ortoolittle,forthatmatter--mightberelatedtodepression,anewstudyfinds.

　　Thefindings,reportedinthejournalofPediatrics,donotmeanthattheInternetistoblame.Forone,teensinthestudywhospentnotimeonlinewerealsoatincreasedriskofdepressionsymptoms.

　　Instead,theresearcherssaythatbothheavyInternetuse,andnon-use,couldserveassignalsthatateenagerishavingahardtime.

　　Forthestudy,Dr.Pierre-AndreMichaudandcolleaguesattheUniversityofLausanne,Switzerland,surveyed7,200individualsages16to20abouttheirInternetuse.

　　Thosewhowereonlinemorethantwohoursperdaywereconsidered"heavy"Internetusers,whilethoseonlineanywherefromseveraltimesperweektotwohoursperdaywereconsidered"regular"users.

　　Theteenagersalsoansweredanumberofhealth-relatedquestions,includingsomestandardquestionsabout"depressivetendencies"thatgaugehowoftenapersonfeelssadorhopeless.

　　ComparedwithregularInternetusers,thestudyfound,kidswhowereheavyusersornon-usersweremorelikelytobedepressedorverydepressed.

　　Amongmaleteens,heavyusersandnon-userswerebotharoundone-thirdmorelikelytohaveahighdepressionscore,comparedto"regular"users.Amonggirls,heavyInternetusershadan86percentgreaterchanceofdepression,whilenon-usershada46percentgreaterlikelihoodcomparedtoregularusers.

　　Thatwaswithfactorslikefamilyincomeandanychronichealthproblemstakenintoaccount.

　　However,theaveragedepressionscoresamongnon-users,regularusersandheavyusersalikewerealltowardthelowerend--between1and2onascaleof1to4,with1being"notdepressedatall."

　　1.Accordingtothetext,whatmaycausetheteenagers'depression?

　　aSurfingonlineandchattingonlineregularybSpendingtoolittletimeonline

　　cSpendingtoomuchtimeonlinedBothBandC

　　2.Fromthenewstudyinthetext,weknowthat

　　atheInternetistoblamefortheteenagers'depression

　　bgirlswhoareaddictedintheInternetaremorelikelytosufferdepression

　　cboys