inthehistoryandfutureof\rtelevisioncomedy.\r1、Theauthorusesthefirstparagraphto.\rA.introducethetopic“sweetening”\rB.seeksolutionsfortheproblem\rC.pointoutawayofmakingcomedies\rD.arousereaders,interestincomedies\r2、Whateffectdoesalaughtrackproduce?\rA.Thecreationofashow.\rB.Funniersoundinashow,\rC.Moreengagedliveaudience\rD.CommunicationamongTVviewers.\r3、Whafstheauthor、attitudetowardstheuseofthelaughtrack?\rA.Doubtful.B.Positive.\rC.Neutral(中立的).D.Uncertain,\r4、Whatdoesthepassagemainlytalkabout?\rA.Thereasonforusinglaughtracks.\rB.Thebriefhistoryoflaughtracks.\rC.ThedevelopmentofTVcomedies.\rD.Thewaytoimprovetelevisionshows.\r22.(8分)InAsia,therearespecialcompetitionswherekiteshavecomplexdesignsandarefitted\rwithinstrumentsthatmakemusicalsoundsasthewindblowsthroughthem.Althoughallkiteshavea