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  　　黄道镇中心学校集体备课共案
　　年级 九 主备人 吴利军 课   题 Unit 1 Topic 1 Section B 课型 新授
　　2课时
　　学科 英语 使用人 李建平
　　王春燕 备课时间 2013/9/2 上课时间
　　学习
　　目标 1. Go on learning the usage of the present perfect tense.
　　2. Compare the teenagers’life in the past with that nowadays and lead students to cherish the happy life at present.
　　学习重点 1. Past Participle
　　2. The usage of the present perfect tense
　　学习难点 The usage of the present perfect tense
　　学习过程　 导入新课
　　1. Check the work after class.
　　2. Ask and answer between the teacher and students. Review the present perfect tense.
　　自主学习
　　Step 1 Presentation
　　1. Show some pictures of disabled children. Make a dialog with students to know whether they have helped disabled children and lead to 1a. Understand the new word disabed”and master “ever”.
　　2. Listen to 1a and answer the shining questions:
　　(1)Has Maria ever helped disabled children?
　　(2)What did she do to help them?
　　Step 2 Consolidation
　　1. Let students read 1a and find out the important sentences and the sentences with the present perfect tense. The teacher writes them down on the Bb and explain them. Finish 1a.
　　2. Let students observe the past participle of verbs in the five sentences with the present perfect tense on the Bb. Learn the rules of the past participle of verbs. Fill in the blanks in 1b with different forms of the verbs.
　　3. Marvey about students’summer holidays. Then map dialog in pairs
　　Encourage students to take part in outdoor activities. Finish 1b.
　　Step 4 Practice