2012-2013英语必修4人教版新课标unit 2精品
教案（第5课时） period 5 speaking and writing the general idea of this period this period aims at encouraging the students to learn how to describe the advantages of the organic food and the disadvantages of the food with chemical fertilizer,and how to write a poster about it. teaching important points get the students to learn to write a poster. enable the students to grasp the usage of the words,expressions and the drills they learnt in this unit. teaching difficult points how to write a poster in a correct way. teaching methods create some situations for the ss to talk actively in public. practice to improve the stud
