单 元：Unit 3 Back to the past
板 块：Task
课堂设计指导思想：
通过进一步操练学习描述历史事件并展示成果。
Teaching aims:（用英文撰写）
具体陈述本课时要做的事及其目的，要从学生学习的角度陈述，如：
1. Aid students to choose and organize the information they h ave got and help them complete their products.
2. Enhan ce students’ overall abilities and improve their integrated skills.
3. Make students learn how to write an outline of a speech and how to host a talk about a historical eve nt.
Teach ing procedures:
Step 1 Lead in
Introduce the topic of Pearl Harbour.
