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教学过程：
Step 1 Warming up
Did you know that all around the world, 3 to 6 billion trees are cut down each year? Have you ever planted a tree?
Watch a video.
Step 2 Presentation
1. Show some pictures and present the new words.
Step 3 Learn the conversation
1. Listen to the tape and ask:
1) What is Hobo going to do?
2) Will more trees be planted this year?
2. Act out the conversation.
Step 4 Practice
1. Do Part A on page 117.
2. Check the answers.
Step 5 Listen and answer
1. Listen to part B and answer the following questions.
1) How did Kitty go to school in the past?
2) What about now?
2. Read after the recorder.
Step 6 Free talk
Work in groups and talk about the ways to live a green life.
A: What should we do to live a green life?
B: I think ….
C: I think ….
D: I think ….
Step 7 Language points
1. What are you going to do? 你打算做什么？
句中be going to do sth. 意思是“打算、计划做某事”。
e.g. I am going to plant trees this Sunday.
我打算这个星期天去植树。
He is going to see a film next weekend.
他打算下个周末去看电影。
2. Will more trees be planted this year? 今年更多的树将会被种植吗？
句中will be planted 意思是“将会被种植”，“will be + 动词的过去分词”是一般将来时的被动语态。
e.g. The panda will be sent to the zoo tomorrow.
这只大熊猫明天将被送到动物园。
[及时练] 将下列句子改为被动语态。
1) His father will mend his bike.
__________________________________
2) John didn’t finish the homework.
__________________________________
Step 8 Exercises
一、根据汉语提示写单词。
1. Is he ________ (严肃的)?
2. We can _________ (减少) air pollution by riding bicycles.
3. He is ________ (挖洞) in the garden.
4. We can ________ (回收利用) old things.
5. It is ____ (明智的) of you to take a map.
二、抢时记忆：翻译短语
1) 打算、计划做某事
2) 植更多的树
3) 在花园里挖沟
4) 种植水果面包树
5) 对…... 有好处
6) 减少空气污染
7) 严重的，严肃的
8) 节约水/能源
9) 引起严重的空气污染
Step 9 Homework
Read the text book and learn the new words and phrases by heart.
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