单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,新概念英语青少版3A-Unit11-Turn-it-down!,新概念英语青少版3A-Unit11-Turn-it-down,新概念英语青少版3A-Unit11-Turn-it-down!知识讲解课件,新概念英语青少版3A-Unit11-Turn-it-down!知识讲解课件,新概念英语青少版3A-Unit11-Turn-it-down!知识讲解课件,loud,loud,turn down,turn down,interrupt,interrupt,hearing,hearing,deaf,deaf,sound,sound,limit,limit,decibel,decibel,continuous,continuous,sudden,sudden,damage,damage,nightclub,nightclub,MP3 player,MP3 player,experience,experience,if,if,unlucky,unlucky,for ever,for ever,连续不断的,大声的,损害,限度,夜总会,聋的,连续不断的大声的损害限度夜总会聋的,1.Is the music quiet?,2.Is the music loud?,3.Is William interrupting Lucys homework?,4.Who had a lesson today about hearing?,1.Is the music quiet?,关小一些,打扰,关小一些打扰,1.Are many people deaf because of noise?,2.Is one person in ten in the UK deaf?,3.How many people in the UK are deaf?,4.Is the safe limit 130 dB for sudden noise?,5.What are the safe limits for most people?,4.After fifteen minutes at 105 decibels,will most people have damage to their hearing?,5.What happens after fifteen minutes of high noise levels?,1.Are many people deaf because,因为,由于,安全,限度,分贝,持续声音,突然发出的声音,损害,因为,由于安全,限度分贝持续声音突然发出的声音损害,1.Is music in nightclubs often louder than the safe limit?,2.Do 90%of young people listen to their MP3 players at 105 to 110dB?,3.Will 7%of those young people feel a bit deaf?,4.How loud is music in nightclubs?,5.How many young people listen to their MP3 players at 105 to 110 dB?,6.What will 75%of them experience?,7.What will happen if they are lucky?And if they are unlucky?,1.Is music in nightclubs often,大声很多,夜总会,经历,耳鸣,持续,永远,伤害,大声很多夜总会经历耳鸣持续永远伤害,1.If William isnt careful,will he become deaf?,2.Will William turn the sound down?,3.What will happen to William if he isnt careful?,1.If William isnt careful,wi,If you arent careful,youll,become deaf.,变成,保证,If you arent careful,youll,此课件下载可自行编辑修改,仅供参考!感谢您的支持,我们努力做得更好!谢谢,此课件下载可自行编辑修改,仅供参考!感谢您的支持,我们努力,