问题详情：
阅读理解;判断 阅读下面的材料，判断句子是否符合短文内容，符合的写T，不符合的写F，文章未提到的写N
“Millions of young people will lose their hearing in five years if they listen to MP3 players at a too high voice every day” Scientists say recently.
What do you think after knowing the information? Do you often listen to MP3 players at a too high voice? Are you scared?
The sizes of MP3 players are very small, but small MP3 players make it easy to take hundreds of songs with you. So many young people carry them and listen to music every day. MP3 players are very popular among（在……之间）students.
The scientists say teenagers should be far from high volume(音量)，including mobile phones’ noise. A study says “High volume and long listening time can cause hearing problems” They think if young people listen at more than 89 decibels(分贝) every day, they’ll lose their hearing in five years. A scientist said “ So many young people often use personal music players and mobile phone at a high voice. I’m afraid that they may be unknowingly（不知不觉地） losing their hearing.
So let’s turn our MP3 players down.
1. A person will become deaf in 5 years if he or she listens to a MP3 player every day.
2. We can put hundreds of songs in MP3 players though they are very small.
3. The mobile phone can also cause hearing problems if we don’t use it correctly.
4. Scientists advise us to turn off over MP3 players.
5. MP3 players are very expensive.
【回答】
1F 2T 3T 4F 5N
知识点：日常生活类
题型：阅读理解
