教学目的:
1．使学生熟练掌握形容词比较级和最高级的用法，能根据具体情景用形容词比较级和最高级行对话
2．使学生掌握本课所授重点单词和词组twelfth， turkey， celebrate，harvest
3．进一步培养学生对英语的语调和重读的语感
4．熟练对话，总结归纳感恩节和中秋节的异同
教学教具：Pictures and real objects
教学过程 ：
Step 1 Revision
1）做下列填空练习。
A: I have two brothers. Xiao ping is ____（young）.
B: I am ____（young）than him.
A: Xiao ke is the____（young）of three.
2）学生三人一组讨论谁的铅笔长。
3）让学生根据第十课总结中秋节习俗的表格编成几句话。做一个讲演。
Step 2 Presentation
1. Spelling and pronunciation .
通过投影出示单词，教师领读单词。学生比较发音，总结发音规律。
2. Stress and intonation
学生听录音然后跟读，读时可以在重音处击掌。引导学生体会。
3. Listen
第一遍泛听，知大意。第二遍分段听,填出所确缺的单词。第三遍检查答案。
4. Read and act.
（1）教师导入 新课we have reviewed the mid-autumn day just now. Today we are going to learn a American holiday: Thanksgiving.
（2）听第一遍录音，判断Ture or Flase.:
1) They eat chicken on thanksgiving
2) Only American have thanksgiving.
（3）听录音跟读两遍对话。找出生词和不懂的地方。
（4）教师解释重点和难点和生词。
（5）Practise the dialogue in pairs
（6）Role-play
（7）教师可以在学生将对话练习熟练后，总结有关感恩节的有关习俗并和第十课的表相比较。然后让学生根据表格编写一段文字介绍这两个节日。
Holiday
Mid ?autumn-day
Thanks giving
Date
In September or October
Autumn
Special food
Moon cake
Turkey, pumpkin
Activities
Get together, have dinner, talk about the family and tell the story about Chang'e
Get together, have a big dinner to celebrate the harvest
Step 3 Practice
1.Write
Students write out several groups of sentences to compare things, then read them to their partners and correct each other’s mistakes. (Call a student to write on the blackboard so that teacher can correct their common mistakes.)
2.Talk about the pictures
Students use comparatives and superlatives to talk about the pictures in small groups, call one group to say it to the class. Then they may say anything about the pictures, even to make stories. Teacher write out some words of the things in the Picture “calendar, feast, candle, firework, wine, plant,” etc.
教师可选择在课后让学生自己来完成此部分内容。
Step 4 Summary 学生自己总结。
Step 5 Homework
1．抄写课文和对话。
2．To write out a short story according to one of the pictures.
板书设计 :
1.words and phrase
Lesson twelve
Structures；
（1）形容词比较级+than.
（2）The +形容词最高级+in, of
Table
Lesson 12
