Fourteen﹣year﹣old girl Zhang Li was walking towards her home．（71）S 　　，a man stopped her and shouted，"Give me your money!"

Zhang's hands were （72）g 　　by the man．But in one quick movement．she took back her arms and started to scream for （73）a 　　．So the man ran away without （74）g 　　any of her money．Zhang is a student from one school of Beijing．Her teacher Li Wei has started giving his students an unusual lesson； self﹣protection．Luckily．Zhang had just learned how to escape from an attacker．a （75）p 　　who plans to hurt somcone．

The school has （76）t 　　self﹣protection for four years．During this time．about 5，000 students have learned how to proteet （77）t 　　．

According to a new survey．students'（78）s 　　，has become a big problem．Nearly 50% students say they are worried about robbery on the way to and from school．This school is not the only one to care about students'self﹣protection．Many other schools in China also have lessons   （79）I 　　this．

Student Wang Hui said．"I learn how to save lives and most such courses tell students how to （80）a 　　dangerous situations．"Students practise what to do if they are attacked by a bad man．

They have known how to save lives if somcone is hurt．They also learn how to work together and build team﹣spirit．