(完整版)新概念英语青少版3A-Unit11-Turn-it-down!

loudturndowninterrupthearingdeafsoundlimitdecibelcontinuoussuddendamagenightclubMP3playerexperienceifunluckyforever•1.Isthemusicquiet?•2.Isthemusicloud?•3.IsWilliaminterruptingLucy’shomework?•4.Whohadalessontodayabouthearing?关小一些打扰•1.Aremanypeopledeafbecauseofnoise?•2.IsonepersonintenintheUKdeaf?•3.HowmanypeopleintheUKaredeaf?•4.Isthesafelimit130dBforsuddennoise?•5.Whatarethesafelimitsformostpeople?•4.Afterfifteenminutesat105decibels,willmostpeoplehavedamagetotheirhearing?•5.Whathappensafterfifteenminutesofhighnoiselevels?因为，由于安全，限度分贝持续声音突然发出的声音损害•1.Ismusicinnightclubsoftenlouderthanthesafelimit?•2.Do90%ofyoungpeoplelistentotheirMP3playersat105to110dB?•3.Will7%ofthoseyoungpeoplefeelabitdeaf?•4.Howloudismusicinnightclubs?•5.HowmanyyoungpeoplelistentotheirMP3playersat105to110dB?•6.Whatwill75%ofthemexperience?•7.Whatwillhappeniftheyarelucky?Andiftheyareunlucky?大声很多夜总会经历耳鸣持续永远伤害•1.IfWilliamisn’tcareful,willhebecomedeaf?•2.WillWilliamturnthesounddown?•3.WhatwillhappentoWilliamifheisn’tcareful?Ifyouaren’tcareful,you’llbecomedeaf.变成保证