必修4 Unit2 Working the land教学案
Model 4 Unit2 Working the land -----Reading
主备人：周相存 审查人：周相存
一．预习汇报
二．学生自学，教师巡导
Lead-in
The facts: 1. Today our world houses billion people.
2. More than 800 million people go to bed hungry every
day.
Think about it: What should we do?
——————————————————————————————————
Pre-reading
Rice is the main food in all East Asian and Southeast Asian countries. What
do you think would happen if tomorrow there was suddenly no rice to eat?
____________________________________________________________________
Fast-reading
Skimming
Para1 A. Dr Yuan’s dreams.
Para2 B. Dr Yuan’s personality.
Para3 C. Dr Yuan’s biography.
Para4 D. Dr Yuan’s appearance and his achievement.
Scanning
Find detailed information
Name:________________ Nationality ___________________
Age:_________________ Occupation:__________________
Education:________________________________________________________
Careful-reading
1. What does look like?
__________________________________________________________________
2. What is his achievement?
__________________________________________________________________
1. Why did Dr. Yuan want to increase the rice output when he was young?
_________________________________________________________________
2. How does he help rid the world of hunger?
_________________________________________________________________ 3. Put the following sentences in right order.
a. He was born.
b. He graduated from Southwest Agriculture college.
c. Chinese farmers could only produced 50 million tons of rice.
d. 200 million tons of rice was produced by growing his hybrid rice.
e. He searched a way to increase rice outputs without expanding （扩大）the area of fields.
f. He helps rid the world of hunger by circulating （传播）his knowledge
in less developed countries.
Proper order: _____→_____→_____→_____→_____→_____
1. Which of the following description about Dr Yuan’s personality is not
true?
A. He is satisfied with his life because he is now rich and famous.
B. He cares little about money and fame.
C. He would rather work than lead a comfortable life.
D. He enjoys a simpler life than most rich and famous people.
2. Find out his hobbies.
________________________________________________________________
Dr. Yuan’s two dreams.
The first dream:
____________________________________________________________________________________________________________________________________
The second dream:
__________________________________________________________________
练习：
一． Summary.
leads a simple life. He ___________ work on the farm _____ have a rest.
He has struggled for five decades to search for a way to increase _____
output. He cares _____ about money and fame. Thanks to the discovery of
_______________ , his dream of ridding China of ________ is realized.
Now, he has another _______ ----to export his rice so that it can be
grown all over the _____.
Model 4 Unit2 Working the land -----Using language
主备人：周相存 审查人：周相存
一． 预习汇报
二． Lead-in
Do you know How many kinds of fertilizers farmers use?
____________________________________________________
三． Pre-reading
Do you know about organic farming?
____________________________________________________
Which kind do farmers use when they are doing organic farming?
____________________________________________________
四． Fast-reading:
Skim and match the main idea with each paragraph
Problems caused by chemical
fertilizers.
The advantages of Organic
farming
Other methods to keep the soil
fertile.
The disadvantages of chemical
fertilizers
五． Careful-reading:
Why did farmers like to use chemical fertilizers?
______________________________________________________________________
What problem can be caused by using chemical fertilizers?
1. They damage the land by________________________________________________
can lead to _______________________________________________________
may look beautiful, but inside ________________________________________
1. What is organic farming?
______________________________________________________________________
2. What do organic farmers prefer using?
______________________________________________________________________
Methods:
◆Using _______ waste from animals as fertilizer
◆Changing ______________ in each field every few years
◆ Using _____________ of soil to plant crops
◆ Planting _____ between crops
课后作业：
背诵下列重点句子：
of these chemicals can lead to cancer or other illnesses.
2. They look beautiful, but inside there is usually more water than
vitamins and minerals.
3. They focus on keeping their soil rich and free of disease.
4. A healthy soil reduces disease and helps crops grow strong and healthy.
5. This also keeps the air, soil, water and crops free from chemicals.
