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《Warming up、Pre-reading、Reading、Comprehending》公开课教案优质课下载
学情分析：
As for Senior 2 students, they have the basic ability to read for detailed information and for framework. Besides, they are cultivated to write some sentences even a passage according to what they learn in the class. What’s more, they have learned a little about “global warming” in Book3 Unit4 how life began on the earth. So they know something about the topic.
教学目标：
Knowledge and skills
Students will improve their skills by grasping the topic sentence.
Students will express the main idea with their own words.
Students will know how to write a summary.
Emotion attitude and value
To arouse students’ awareness of environmental protection.
Teaching difficulties：
To deeper understand the text and improve their writing skills.
To get students to learn how to write a summary.
Teaching importance：
To get the students to deeper understand the text and to know how to write a summary .
教学过程：
Step1. lead in
1. Show pictures of roses in greenhouse and strawberries in greenhouse and ask :why can I get such beautiful flower and fresh fruits in winter ?
2. Watch a video of greenhouse effect and ask :what will happen to the earth if there are too many greenhouse gases?
T:Yes, the earth is getting warmer and warmer. But does it matter? What’s your opinion?
T: You have different opinions. In fact , many scientists are also exploring these questions .
The purpose of my design: to let the students t arouse their interest and to draw their attention to the topic today.
Step2. Reading
Task1. Read the leading part
1. Find out the main idea of this passage.
2. What does “this” refer to in this part？