Hearing is very important to all of us. We can  36  beautiful music, nice songs of birds, the laughter of people or other different kinds of   37   in the world with our ears.   38  we must try to protect our ears. The following will tell you    39  protect ears.
Listening to   40  music a lot can be bad for ears,   41  when headphones（耳机）are used. So try not to wear headphones or   42  the volume（音量）when you’re wearing headphones. You should give your ears a rest if you like wearing headphones.
  43   swimming, remember  44   earplugs（耳塞）into your ears or wear a swim hat to stop water   45  getting into your ears. If you go to a concert, wear earplugs to protect your ears from the terrible music!   46  , special earplugs can be made for you if you go to concerts a lot or if you are a musician yourself. See a    47   if your ears hurt. You’d better   48   as what the doctor says.   49  the suggestions above now and you won’t say  “What, what…?” when you are getting   50  .
A. listen                 B. hear            C. listening
A. sounds             B. noise            C. voices
A. Because            B. Although        C. So
A. what to                B. how         C. how to
A. loud               B. aloud       C. loudly
A. specially              B. especially       C. special
A. turn off           B. turn down        C. turn up
A. Before             B. After           C. When
A. put                B. to put          C. putting
A. to                    B. with                C. from
A. In fact               B. For example         C. Even though
A. teacher               B. doctor              C. friend
A. to do                 B. doing           C. do
A. Listen                B. Hear                C. Follow
A. young             B. old             C. sick