Unit eight First Aid (Total 62-70)Teaching Aims1. Talk about first aid and medicine.2. Practice talking about what you should and should not do.3. Learn to use the Subjunctive Mood (2).4. Write a process paragraph.Teaching times: Periods The First PeriodTeaching Aims:1. Learn and master some useful words and phrases.Teaching Procedures:Step Words Study 1. drown vi.vt.e.g. Do cats drown easily? (drown: die in water)Cheers drowned his voice. (drown: sound be loude