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教学过程：
A. Pre-reading. （读前活动）
1. Free talk: What did you do last Saturday evening?
Did you turn off the lights from 8:30pm to 9:30pm? 揭题
2. PPT: Enjoy a short play about Earth Hour.在PPT上欣赏2016年地球一小时宣传片。
3. What do you want to know about Earth Hour? 学生提问，想了解的关于地球一小时的内容。
B. While-reading. （读中活动）
1. PPT: Read and circle.
What do you know?
When is Earth Hour?
What do people do in Earth Hour?
Where did Earth Hour start in?
读短文第一小节，找并圈出关键词回答三个问题。
2. PPT: Read and find.
What else do you know?
读短文二到四小节，选出文章主要内容并在文中划出。
1) Read the second paragraph, fill in the blanks.读第二小节，完成表格中的数据统计。
2) Read the third paragraph, talk about: What did they do? 读第三小节，思考问题：他们做了什么？
3) Read the last paragraph, answer the question: Why do we have the Earth Hour? 读第四小节，拓展话题：我们为什么举行地球一小时活动？
3. Let’s enjoy. Enjoy the whole passage.在PPT上欣赏图文并茂的整篇课文。
4. Let’s read.
5. Let’s retell.
C. Post-reading（读后活动）
1. PPT : Discuss in pairs: What are you going to do in the Earth Hour? PPT上滚动出现各种图片，帮助学生思考。
2. PPT : Try to say: We can do more for the Earth. PPT上依次出现各种图片，学生集体回答。