1. 手流血时，一定要及时处理。

2. 如果伤口不严重，紧紧按住伤口，很快就不流血了。

3. 如果伤口很深，先用绷带包扎，然后让医生敷药治疗。

　　B5 Unit5 First Aid

Warming up

First aid is ___1___ temporary form of help ___2___ (give) to someone who suddenly falls ill or gets injured ___3___ a doctor can be found. Often the illness or injury is not serious, ___4___ there are other times ___5___ giving first aid quickly can save lives. ___6___ groups look at then pictures and discuss ___7___ has happened in each one. If possible, discuss what kind of first aid you should give ___8___ these situations.

Reading

FIRST AID FOR BURNS

The skin is ___1___ essential part of your body and ___2___ largest organ. You have three layers of skin which act ___3___ a barrier against disease，poisons and the sun's harmful rays. The functions of your skin ___4___ (be) also very complex：it keeps you warm ___5___ cool；it prevents your body ___6___ losing too much water；it is ___7___ you feel cold，heat or pain and