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根据蛛网图进行复述，进一步了解课文内容。
情感态度
树立保护地球、保护环境、爱护家园的意识。
教学重点
1、理解课文内容。
2、there be 句型的运用。
教学难点
1、 运用there be和provide ... with ...句型来描述事物。
2、运用蛛网图来复述课文。
Procedure
Purposes
Teacher’s activities
Students’ activities
Warm up
Lead in the topic: the Earth
Present five letters.
Guess the words from the letters.
Pre-reading
Activate Ss’ background knowledge and arouse the interest to improve English teaching.
Lead students to talk about the Earth.
Show the photo of the Earth and ask：“What are the blue, green and brown, white parts?”. And teach the new word “part”, “large” and “ land”.
Present some pictures and ask：“What can we get from…”, let Ss use “provide … with..”.
4. Talk about the pollution of the Earth and learn new words “kill, burn, pollute, protect”.
Say something about the Earth.
Look at the picture of the Earth and tell the name of different parts.
Talk about the pictures and use “provide…with…”.
4. Say something according to the pictures and learn new words “kill, burn, pollute, protect”.
While reading:
Prediction, skimming, scanning, and
retelling