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= 2 \* ROMAN II . While-task procedure
1．出示 Listen and say 的图片，他们正在谈论有关树的话题让我们一起来听一听吧。播放课本 Listen and say 的录音，学生跟读，齐读。
2 ．根据课本 Listen and say 的内容提问，学生回答。然后让学生做反馈练习，
Why are trees important? Read and write.
3.Who can tell us your answers?
4.Read more and do the dialogue .
5. What can we get from trees ? ( we get wood from trees . )
讲解wood，扩展带有ood的单词 。
6.What else can we get from trees ? We get ...from trees .
学生结对讨论。将学生交流、讨论的结果写在黑板上。
What do we use wood for ? Do a survey.( We use wood to make pencils , desks , chairs and paper . )
S1 : We use wood to make pencils .
S2 : We use wood to make desks .
S3 : We use wood to make chairs .
S4 : W e use wood to make paper too .
= 3 \* ROMAN III .Post-task activity
Trees are very important ．发表看法，或与同桌交流。
Three are some proverbs about trees. Look and choose.
3. In groups, talk about what you can do to save trees.
出示图片和单词，让学生选词填空完成句子，然后核对答案。 教师作总结：善待自然，不滥伐树木。
4.Show the video,tell the Ss trees are in danger.How do we help trees? Please
draw a picture about it.Then we’ll make a book .学生发挥想象创作图画，宣传如何拯救树木。
= 4 \* ROMAN IV .Homework :
1. Make a poster.制作海报
2.2. Search the date of Tree Planting Day查找各国植树节的时间。
Blackboard Design