【Haveyourparentsevercaughtyoumisbehaving--fightingwithpeers，cominghomelateorplayingcomputergameswhenyouweresupposedtobedoingyourhomework？Howdidtheyreact？Didtheytrytotalktoyouorjustyellatyou？Parentsusedto】
Haveyourparentsevercaughtyoumisbehaving--fightingwithpeers，cominghomelateorplayingcomputergameswhenyouweresupposedtobedoingyourhomework？Howdidtheyreact？Didtheytrytotalktoyouorjustyellatyou？
Parentsusedtorelyonphysicalpunishmentslikepushingorspanking（打屁股）tocontroltheirchildren'sbehavior，whichhasbeenproventobeveryharmful．Therefore，mostparentsnowchoosetosimplyyell，thinkingthatlanguageprobablywon'thurtasmuch．Butisthatreallyso？
Usingharshwordssuchas"lazy"or"stupid"toinsultteenagersisjustasharmfulashitting，accordingtoanewstudycarriedoutattheUniversityofPittsburgh，US．"Itcannotreduceorcorrecttheirproblembehavior，"saidProfessorMing-TeWang，leaderofthestudy．"Onthecontrary，itmakesitworse．"
Thestudy'ssubjectswere976two-parentfamilieswithteenagechildren．Researchersaskedthekidsabouttheirbehaviorproblemswhilequestioningparentsabouthowoftentheyhadcursed（咒骂）oryelledattheirkids．
Nearlyhalfoftheparentsadmittedthatthey'dshoutedattheirchildreninthepastyear．Researchersnotedthatthekidswhoseparentsusedmoreharshwordsexperiencedmorebehaviorproblemsafterwards，includingfighting，stealing，lyingaswellassymptomsofdepression（抑郁）．
"Adolescenceisaverysensitiveperiodwhenkidsaretryingtodeveloptheirself-identities．Whenyouyell，itmakesthemfeeltheyarenotcapable，thattheyareworthlessanduseless，"Wangsaid．"Thismayexplainwhysomanyparentssaythatnomatterhowloudtheyshout，theirteenagersdon'tlisten．"
Whileharshyellingcanstopbadbehaviorinthemoment，itdoesn'tteachchildrentobehavehowparentswantthemto．Whatparentsneedtodoispraisetheirchildrenforgoodbehavior．Ifparentsreallyneedtopunishtheirkids，theyshouldtrythingsliketakingawaysmartphonesandremindingthemthatgoodbehaviorwillgetthemback．
67．Whatdoestheunderlinedword"It"inParagraph3referto？___
A．Punishingteenagers．
B．Controllingchildren'sbehavior．
C．Talkingtochildren．
D．Usingharshwords．
68．Wecankn