题目内容：

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项是多余的选项

You probably know you should say “please” and “thank you” at restaurants. You probably know the rules of a library. You know you should respect and be nice to your classmates. 1.   In fact, there are some rules about playing music.

·Keep it down.

2.   You should not play your music so loud that everyone around you can hear it. Some people might even get angry. Usually, when you play music loud on an MP3 player, other people can’t hear the words of the song. They just hear a loud sound. No one wants to listen to this. Very loud music can also be bad for your ears.

·Turn it off.

You need to know when to turn your MP3 off and put it away. Libraries and schools don’t allow MP3 players. There are other places, like museums, that don’t have rules, but it would be rude to have your MP3 player on. Sometimes, it doesn’t make sense to listen on your MP3 player at an event.    3.  You would miss what is going on and others would wonder why you even came.

·Take one out.

Once in a while it’s okay just to take out one earphone and not the other.   4.  It would not be rude to take out one earphone, tell him the way, and put back the earphone and continue listening. You can also do this when you order food at a fast food restaurant or when you answer the telephone and it’s not for you.

·   5.

There are times when you need to decide what is best. For example, some people can listen to music on their MP3 players when reading books, while others think it is disturbing. In cases like this, you need to do what seems right for you.

A. It’s your choice.

B. Don’t make your voice disturb others.

C. But do you have music manners?

D. You have to notice the amount of sound of your music.

E. Why would you listen to music at a play, a movie or a sporting event?

F. Imagine you are listening on your MP3 player when someone asks you the way.

G. The music is active and inspiring as long as you can feel energetic when you are listening to it.