The PE teacher，Mr.Li is teaching the students how to jump high.Here is something he tells them.	First，you need to stretch your legs，arms，back and neck.And then you can run for（1） minutes.
	Second，don't run fast in the beginning ，and then run as fast as（2） .It's only about fifteen meters long.At last you should try your best to jump high.
	Third，you must be（3） .If you hurt yourself while you are practicing，have a rest until you（4） better.
	Finally，practice more if you are（5） ，Don't forget to take more exercise，and you will be better at the high jump.