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利用视频及网络资源，丰富教学内容和形式，提高课堂教学效果；利用多媒体教学手段，促进个性化学习。教学过程（可续页）教学步骤所用
时间教师活动学生活动设计说明Step 1
Lead -in2 min◇Show two videos of Earth and tsunami.
◇Ask: How do you feel about our earth/ tsunami?◇Talk about their feelings of the beauty of Earth .
◇Talk about the tsunami in Japan强烈对比地球的美和海啸的可怕，激发学生学习的兴趣,引人入胜。
Step 2
Presentation
10 mins◇Teach new words and phrases by showing pictures, listening and other ways.
◇ Finish Part A and B on Page 93.
◇Discuss
Tell the difference between natural disasters and accidents.◇Learn and remember these words and phrases.
◇Do exercises.
◇Discuss in pairs to find the difference between natural disasters and accidents.本节课的新单词和短语较多，也有一定难度。为了帮学生更好的理解掌握，以便于在接下来的活动中运用自如，教者采取了多种形式进行词汇教学，如图片的直观呈现，对声音的猜测，与本单元的Vocabulary的天气联系，由已学的过渡，音标的对比教学，词形的变化等。
让学生讨论自然灾害和意外事故的区别，引导学生观察，发现，归纳和总结。Step 3
Activities10 mins◇ Save the earth
① Talk about the natural disasters that have happened in China in the past years.
②Another big natural disaster is coming. Would you like to be a superman to save the earth?
◇Poor Hobo
Our friend Hobo is unlucky. What happened to him? Read the text and find out the natural disasters.
What will happen to him tomorrow?
◇Say some natural disasters and guess what natural disaster it is according to the hints.
①Typhoon
Start from the sea; Usually with rain; Blow strongly.
②Earthquake
Usual animals; Buildings fall down; The earth shakes.
③snowstorm
In winter; Snow heavily; Cause traffic problems.
④Tsunami
Because the earthquake under the ocean; Huge power; Ever happened in Japan.
◇Read the text Poor Hobo and say.