【单选题】Want to Be 100? Listen to These 5 Centenarians(百岁老人) Five neighbors at a central Missouri retirement community who are all centenarians get asked all the time: 'How did you live to be 100?' If you wan...
【简答题】“Millions of young people will lose their hearing in five years if they listen to MP3 or MP4 players at a too high voice every day,” scientists say recently. Do you often listen to MP3 players at a to...
【简答题】阅读理解。 'Millions of young people will lose their hearing in five years if they listen to MP3 or MP4 players at a too high voice every day,' scien tists say recently. Do you often listen to MP3 players ...