1．重点单词：breathing，sunburned，ourselves，risk，almost，situation，kilo，rock，knife，off，blood，mean，importance，decision，control，spirit，death
2．重点短语：be used to，take risks，lose one's life，by oneself，run out (of)，cut off，so that，get out of，the importance of，be in control of，keep on，make a decision
3．重点句式：
Aron Ralston is an American man who is interested in mountain climbing.
This is one of the exciting things about doing dangerous sports.
When his water ran out，he knew that he would have to do something to save his own life.
He was not ready to die that day.
He bandaged himself so that he would not lose too much blood.
Aron tells of the importance of making good decisions，and of being in control of one's life.
His love for mountain climbing is so great that he kept on climbing mountains even after this experience.
