Unit2《Workingtheland》usinglanguage(人教版必修4)

Unit 2《Working the land》Speaking and Writing 教案（人教版必修4）To help Ss understand the passage Organic Farming
Use the language by reading, listening, speaking and writing
Extensive reading of the unit
一体化设
计：
Some sentence structures of this part.
教学重点、
难点：
教学过程：1、组织教学（导言）
All of us hope we can live a healthy life . but how can we make it? By doing
enough exercises and healthy food can we do it. The text will tell us what is healthy
food.
2.新课讲授
Task 1.Read it and answer the following questions.
1.What is the organic farming?
2.What is the advantage of using natural fertilizer?
3.What is the disadvantage of using chemical fertilizers?
4.what’s the main idea of paragraph3?
5.why do farmers grow their crops in such ways?
Task 2 Structure of the text
Organic Farming
I Crops growing with natural fertilizers
II Farmers prefer natural waste from animals
Natural fertilizer Chemical fertilizer
1 make …richer and 1 leaving …is not good more fertili
2 reduce …and help …strong 2 grow …year after year
3 the fertilizers kill …from chemicals
III Farmers change crops every twe or three years.
… to make sure what is left …
Task 3: Exercises on Page 14
Because some of the exercises have been involved in Step II,
teachers can leave this part to students.
Task 4: language points
1.reduce V make sth smaller in size, number, degree, price,
etc
e.g.
This company tries to increase profits by reducing costs. We have reduced expenses this year.
2.supply V give sb sth that is needed or useful
e.g.
He kept me well supplied with cups of coffee while I wrote the report.
The shop was unable to supply what she wanted.
In Britain milk is supplied to each house in bottles.
3.whatever pron any or every(thing)
e.g.
we will be grateful for whatever amount you cab afford. Whatever I have is yours.
4.refer to V mention or speak of sb/st
e.g.
When I said some people are stupid, I wasn’t referring to you. Don’t refer to this mater again.
5.year after year
e.g.
The villagers plant trees on the hill year after year
4. 课堂练习
Ss will translate some difficult sentences and analyze the structure of the sentences.
5、布置作业：(1m’)
To collect the information about the safety and importance of green food.
6、课堂总结：(3m’)
From now on we should manage to have organic food , right?。