unit 3 a healthy life period 1 reading advice from grandad learning aims: 1. develop reading ability and learn different reading skills. 2. get to know the effects of smoking and advice on stopping smoking. important point: develop reading ability and learn different reading skills. difficult point: learn the effects of smoking and advice on stopping smoking 《使用说明及学法指导》泛读一遍第18页课文完成预习案。(25mins) 预习案previewing case task 1 skimming answer the following questions. 1. who wrote the letter to whom? ____________________________________________________________