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2.Show two videos
3.Focus: We should love and protect our Earth.1.Watch two videos
2.Speak out: We should love and protect our Earth.
通过观看两个视频对比地球的变化，感受到保护地球的紧迫感和责任感。Step2
Review the story8
分钟
1.About the structures.
T提出开放性问题：How can we review the story?
2.Review the story.
T引导学生运用语言支架和问题复习课文Save water，鼓励用自己的语言。
3. Conclude: Why...? How...?
1.Conclude:
Why...? How...?
2.Look and say Retell the four parts ，try
to use own words.
关注学生利用句子结构，引导学生整段的表达，特别是鼓励学生用自己的语言表达。
Step3
Grammar time(1)
6
分钟
Show the sentences of the first part of Grammar time.
引导提炼use...to..运用规则。
3.Show the stucuture:
We use .. to ..
.
4.Make magic sentences with “use...to...”
T先示范，再创设情境，给出任务，让生操练，小组活动后展示。
Read and discuss the rules
2. Conclude:
(use sth. to do sth.