阅读理解训练(3)【由山东省枣庄市2014高考英语3月模拟试题改编】阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项
Parentsusedtorelyonphysicalpunishmentstocontroltheirchildren'sbadbehavior,whichhasbeenproventobeveryharmful.Therefore,mostparentsnowchoosetosimplyyell,thinkingthatlanguageprobablywon'thurtasmuch.Butisthatreallyso
Usingharshwordssuchas"lazy"or"stupid"isjustasharmfulashitting,accordingtoanewstudycarriedoutattheUniversityofPittsburgh,US."Itcannotreduceorcorrecttheirproblembehavior,"saidProfessorMing-TeWang,leaderofthestudy,inaninterviewwithTheWallStreetJournal."Onthecontrary,itmakesitworse."Inthestudy,whichinvolved976two-parentfamilies,researchersaskedthekidsabouttheirbehaviorproblems,whileaskingtheirparentshowoftentheyhadyelledatthem.Nearlyhalfoftheparentsadmittedthatthey'dshoutedattheirchildreninthepastyear.