判斷，閱讀下面的材料，判斷句子是否符合短文內(nèi)容，正確的用“T”表示，錯(cuò)誤的用“F”表示，文章未提到的寫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 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 clecibels(分貝)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 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．

(　　)
答案：1．F;2．T;3．T;4．F;5．F;
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