内容正文:
Unit 3 Fit for life
Lead-in
Let’s play a guessing game
What is it?
1.Most of us are wearing it
2.Once you start using it, it is hard to get rid of it
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What do you know about short-sightedness?
1. definition
2. signs
3. causes
4. ...
Lead-in
What is short-sightedness?
Short-sightedness, or myopia, is a very common eye condition that causes distant objects to appear blurred, while close objects can be seen clearly.
adj. 模糊的
Jenny is listening to a report about short-sightedness. Listen and finish the exercises below.
A
A1 Listen to the report and answer the following questions.
Pre-listening
Predicting key words
They become short-sighted increasingly at a younger age.
Basketball and swimming.
Other eye problems.
How people use their eyes.
Predicting before listening
It is helpful to identify keywords before you listen to a report. For example, from the notes, you might identify “percentages”, “causes” and “signs” as keywords. Then you can predict what the speaker will talk about, and look out for these words as you listen.
A2 Listen to the report again and complete the notes below.
Short-sightedness
Definition of short-sightedness
The inability to see objects at a distance clearly
Percentages of students who suffer from short-sightedness
0%
10%
20%
30%
40%
50%
60%
70%
80%
36%
(1) _______%
primary school
students
junior high
school
students
senior high
school
students
(2) _______%
90%
100%
71.6.
81
Causes of short-sightedness
Getting affected because one’s parents are short-sighted
Spending a large amount of time reading,
(3)_____________________, focusing on a smartphone
screen or doing other close work
Having (4)________________ or bad reading habits like reading in bed
Spending too little time (5)___________
working at a computer
poor lighting
outdoors
Signs of short-sightedness
Looking at things with eyes (6)____________
Moving closer to objects
Complaining of (7)____________ and