A．purchasedB．positiveC．judgementD．discussingE．preferencesF．stronglyG．informedH．feelingsI．generalJ．differentK．acceptingMusichasbeenplayingamajorroleinthelivesofteenagers

　　A．purchased B．positive C．judgement D．discussing E．preferences

　　F．strongly G．informed H．feelings I．general J．different K．acceptingMusic has been playing a major role in the lives of teenagers for decades and today's teens are no（41）___．Teens listen to over 2.5hours of music per day．Earbuds，Mp3players，and smartphones make it easy for teens to listen to music while they go about much of their daily lives．

　　The digital world also means that parents must face new challenges when it comes to a teen's music．In the past---when music was（42）___ through audio tape or CD，it was much easier for parents to be aware of a teen's musical___（43）___．But mow that teens have free access to millions of songs and music videos through the internet，parents are less likely to be（44）___ of what their teens are listening to．

　　Today，it's hard to believe that today's over-50-years people used to be（45）___ against Elvis Presley's dance moves．Fast-forward to the present day and the society has certainly become more（46）___ of many strange forms of art．

　　As for parents，music is a powerful tool and certainly music with pro-social or warm lyrics（歌词） can be a（n）（47）___ influence in teens．It's important to take an active approach when（48）___ your teen's musical interests．Get your teen to talk to you．Ask questions without passing（49）___．Always be curious and inquire about what your teen looks for in music and talk about what （50）___ can be found in certain songs．