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教学设计：选择性必修第三册
Unit 2 Healthy Lifestyle
Reading and Thinking: Habits for a Healthy Lifestyle
Learning objectives:
1.To understand how a habit forms.
2.To use what you have learned to change bad habits and form good ones.
3.To master the structural characteristics of exposition.（说明文）
Lead-in
1.Do you have some bad or unhealthy habits If so, what are they
2.Have you ever tried to change them Is it successful or not
Prediction: Skim the title, the picture and predict.
1. What is the text type of this passage？
A. Narration(记叙文) B. Exposition(说明文) C. Argumentation(议论文)
2. What is the text mainly about
A. How teenagers make a choice.
B. How teenagers feel relaxed.
C. How teenagers change their bad habits.
D. How teenagers become more independent.
Fast --reading Match the main idea with each paragraph
Para1 A.How to change a bad habit and create good ones
Para2 B.The cycle of how habits are formed
Para3 D.Changing habits gradually
Para4 E.No easy way to change bad habits
Para5 F.what a habit is
Para 6 G.Why bad teenage habits should be changed
Read for structure
1.How to change a bad habit and create good ones raise the problem
2.The cycle of how habits are formed
analyze the Problem
3.Changing habits gradually
4.No easy way to change bad habits
solve the Problem
5.what a habit is
6.Why bad teenage habits should be changed conclusion
Read for details
Para 1 Raise the problem
1.Why should bad teenage habits be changed
2. What should be done first to prevent the possible harmful effects caused by the bad habits
A. Stay away from bad habits. B. Recognize bad habits.
C. Think out ways to get rid of them. D. Change themselves.
Para. 2
1.What characteristics does a habit have （cycle key words)
2.How does the author support his opinion
3.What is the function of the last sentence
Para3
1.What are the three stages of habit cycle
2.Do you think the writer explains it clearly How
Para 4
1.What is the first step to change a bad habit
2.What should we do to change a bad habit Give an example
The habit cycle Bad habit New habit
Cue feel unhappy
Routine
Reward happier but not healthy
Para 5
1. To change a bad habit, we need_____ .
A.time B.discipline C.repeated small steps D. all of above
Para 6
1.What do “magic pill” and “delete button” refer to
2.What kind of attitude does the author hold to changing bad habits
A.Negative. B. Sad. C. Doubtful. D . Positive.
3.Who are the intended readers of the passage
Read for language features
1.There is a famous saying based on the philosopher Aristotle, “We are what we repeatedly do.” quotation
2.For example, we could try to replace a negative routine with something more positive. example
3.According to modern psychology, we must first learn about the “habit cycle”, which works like this: definition
4.However, there is no “magic pill” or delete button that will help you; metaphorchart
Post-reading: group discussion
Think of one bad habit and write down the cue, routine, and reward.
Then come up with an idea of how to break the bad habit.
Assignment
假使你是李华，你的外国好友Alice，向你求助如何把熬夜坏习惯纠正过来，并养成良好的休息习惯，请运用所学的“The habit cycle”原理去帮助Alice，内容如下：
1.坏习惯的影响;
2.如何科学运用“The habit cycle”改变。
注意：1. 写作词数应为80左右；
2. 可以适当增加细节，以使行文连贯。

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