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It’s wise for people to choose public transport or ride bicycles.
III. Focus of the lesson and predicted area of difficulty
Talk about how to protect the earth.
IV. Teaching procedures
Comic strip
Step 1 Lead-in
Let’s talk
T: Look, I have a trowel. What can we use it to do?
T: Hobo is going to dig holes. Do you know why? Let’s find out the answer together.
Step 2 Presentation
1. Let’s watch
T: Watch the comic strip and tell me what kind of trees Eddie is going to plant.
2. Watch and answer
T: Watch again and answer some more questions.
(1)What is Hobo going to do ?
(2) Why does Hobo want to plant more trees?
(3)What does Eddie want to plant?
3. Listen, read and act
【设计意图：通过看听漫画回答问题以及朗读和角色表演，帮助学生掌握漫画内容。】
Step 3 Exercise
1. Group discussion
T: What can trees do to us?
2. Let’s practice
T: Fill in the blanks according the discussion.
【设计意图：先口头讨论树木的作用，然后通过缺词填空来巩固学生的认识。】
Welcome to the unit
Step 1 Lead-in
1. Free talk
T: What pictures may go through your mind when you see these Chinese words
沐浴阳光?