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T: Why do I do these?
Teach: protect the Earth
S1: Protect the Earth
Step2
While-
reading1.Scan and circle
Q:How to protect the Earth?
Teach: save water, save energy, save trees, Don’t use too much plastic
2. Read and underline
T: Read the first paragraph, try to underline the answers:
Why should we save water?
How should we save water?
T teaches: waste, reuse
We use water to...
Read this paragraph after the tape
Read and discuss
Why?
How?
Ss scan and circle the main idea of each paragraph.
Ss discuss in pairs and underline the key sentences with different marks.
Give feedback
Ss make sentences:
We use water to water flowers.
We use water to...
Ss read the next three paragraph by themselves and make their own thinking chart.该阅读任务的设计，重点是检测学生对文本主要内容的理解，也训练了学生scanning和skimming能力。
学生阅读，并用不同记号划出答案，渗透阅读方法的指导。
训练发散思维，联系生活实际
小组合作自主阅读，提取文本结构和信息Teach: save energy
What should we do on daily life?
Make an interview in pairs