内容正文:
选择性必修三Unit2 Extended reading教案
Why we explore
Learning Objectives
· Summarize the author’s reasons for space exploration;
· Analyze the structure of the argumentative essay;
· Appreciate the writing techniques that the author adopts;
· Strengthen their desire to future explore the unknown field.
Teaching Key and Difficult points
· Summarize the main reasons of space exploration;
· Grasp the feature and structure of the argumentation.
Teaching Procedures.
· Pre-reading
Watch a video and answer following questions:
What’s the video mainly about?
If given a chance , would you want to explore space?
Ss:
· While-reading
Fast-reading
Scan the article and try to finish following tasks.
①What’s the genre of the article?
-----It’s an argumentation.Since it’s an argumentation,we should pay attention to the topics,the ways of demonstration and arguments.
②Which of the following shows the structure of the article?(c)
②Summarize the reasons for space exploration mentioned in the article.
Detailed-reading
· Read para1 carefully in 2 minutes and fill in the blanks.
An example: Neil Armstrong
The reality: space exploration is extremely difficult and dangerous,
take a very long time and cost a huge amount of money
Some people believe space exploration is meaningful,while some think it wasteful .
A question: Why do we continue to explore space?
· Read para2 carefully in 3 minutes and finish some questions
①What kept us adventuring?
②What do we long to do ?
· Read para3 carefully in 3 minutes,then try to finish following tasks .origin,evolution,and likely future
Reason 2: To expand our understanding of the ______________________________ of the universe
According to para.3,what have been confirmed through our research into space?A. The Earth is round B. The sun orbits the Earth .
C. Aliens do exist D. All things in the universe
· Read para4 carefully in 4 minutes .
Can you find out some examples listed in this passage?
· Read par