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,*,loud,turn down,interrupt,hearing,deaf,sound,limit,decibel,continuous,sudden,damage,nightclub,MP3 player,experience,if,unlucky,for ever,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?,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?,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?,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?,If you arent careful,youll,become deaf.,变成,保证,