Lesson 100 教学设计方案Lesson 100 教学设计方案Teaching AimsTeaching proceduresStep 1 Revisionl .Check the homework exercises.2. Revise the contents of the story in Lessons 98 and 99.Step 2 ListeningListening Cassette Unit 25. Play the tape for Ex. 1 two or three times as necessary. Then do Exx. 2 and 3. Pause the tape at important moments and help the Ss to find the answers when they need help.Step 3 PracticeListening Unit 25, Ex. 4. The Ss tell the story to their partners.Step 4 Pr