阅读下面的短文和问题，根据短文内容，在相应题号后的横线上写下相关信息（不多于五个单词），完成对该问题的回答。答语要意思清楚，结构正确，书写工整。
Just like in school, there are lessons you will learn in Latin dance. These lessons are not only about the dance itself. It’s also important to learn about manners (礼节) to get along well with other dancers.
What are some of the manners you should know about in Latin dance?
1. Sit out if the dance floor is overcrowded.
There are times when there are too many people on the dance floor. When the dance floor is overcrowded, people can run into each other, causing people to get angry. If you are polite, you will sit out in order to give way to other dancers. This way, they can perform with enjoyment.
2. Do not get in the way of other dancers.
There may be times when you need to share one dance floor. The best way to do it is to start in a place not too close to the other dancers. When you see that they need to move into your space, allow them some more space to complete their performance. Once they are finished, you will have the space to yourself and the people next to you will make space for you.
3. The dance floor is for dancing.
In the dance hall, do not use the dance floor to talk to your friends, discuss, or disagree about something.  Dance floors are not sitting areas where you can do just anything. You will bother other dancers on the dance floor.
4. Avoid stopping other dancers.
You might need to step onto the dance floor while other dancers are performing. If you need to do this, walk around the dancers to avoid stopping them. This is one way of showing respect to your friends. You would not want them to stop you if you were the one dancing, so do not do it to them.
If all dancers would take these Latin dance manners to heart, then people would get along better on the dance floor.
What should you do if there are too many dancers on the dance floor?
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What should you do when other dancers move into your space on the dance floor?
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What should you do to avoid stopping other dancers when dancing on the same dance floor?
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What is the passage mainly about?
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