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必修3《Using LanguageⅡ》精品教案优质课下载
To develop students’reading skills and improve reading speed
To instruct students to care for the earth三、教学重点及难点Be able to graso some words and expressions anout astronomy,
Develop students’reading skills like skimming,scanning and guessing.
Learn to collect some useful information while reading quickly
Learn to analyse some long and difficult sentences四、教学过程教师活动学生活动??设计意图Step 1:
Warming Up
/Before readingStories from different religions and cultures about the beginning of the universe.
What the video talking about?
How many theories in the video?
Which planets have water by now?
When the human appeared?
What can you see on the earth?
观看视频：对宇宙和生命起源的各种说法（传说）的介绍并通过竞赛的方式回答几个问题为了确保阅读教学的时间，Warming Up 部分较为简洁，但同时又要能为学生进入接下来的阅读做好铺垫。
Step 2.
While Reading
Step 2.
While ReadingSkimming:Read the text very quickly and find out. 1、What is the main idea of the text? Scanning:read the passage roughly ,conclude the main idea of each paragraph,and analyse the structure of the passage
1.A widely accepted about the of the universe.
2.The formation of the .
3.The of water for life.
4.The development of and on the earth.
5.The arrival of and their on the earth. 快速阅读掌握全文的Main idea;
快速阅读初步了解文章结构通通过skimming,scanning
从总体上把握文章结构，提高学生快速阅读的 能力。Detailed reading:
a.Read the passage carefully and answer the questions