人教版 (新课标)必修3&4Unit 2 Working the land教案及反思
展开Period 5 Speaking and Writing
The General Idea of This Period
This period aims at encouraging the students to learn how to describe the advantages of the organic food and the disadvantages of the food with chemical fertilizer,and how to write a poster about it.
Teaching Important Points
Get the students to learn to write a poster.
Enable the students to grasp the usage of the words,expressions and the drills they learnt in this unit.
Teaching Difficult Points
How to write a poster in a correct way.
Teaching Methods
Create some situations for the Ss to talk actively in public.
Practice to improve the students’ writing ability.
Teaching Aids
A multimedia computer
Three Dimensional Teaching Aims
Knowledge and Skills
Get the students to learn how to write a poster.
Help the students consolidate the words,expressions and drills learnt in this unit.
Process and Strategies
Encourage the students to describe the advantages and disadvantages by offering examples.
Feelings and Value
As people are more and more concerned about the quality of the food they eat,this topic is more and more meaningful.Through the study of this part not only will they know more about the quality of food,but also they will learn about how to persuade others to buy the food you have proposed.
Teaching Procedures
Step 1 Revision
1.Greetings.
2.Ask the students to tell the words,expressions and drills that can be used to describe organic farming.
Step 2 Reading
This is the first step of Reading,Speaking and Writing.In the three steps,the teacher should remind the students that they should get the key words of the passage when they do some reading,in order to get a good understanding and make a good base for the writing;for speaking,they should attend to what they will do.Be careful not to be off the point;for writing,the most important thing is to practise writing useful words,phrases,instead of the whole sentences.
After the students get known about the rules,ask them to read the short passage in Ex.1 Page 15,and ask the students to find out the key points of the passage.
The suggested answer:
Advantage | Disadvantage |
1.Healthy and safe | 1.People don’t know about the food and how good it is. |
2.Free of chemical fertilizers | 2.More expensive than other food which is not so safe. |
3.Grown away from industrial areas |
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4.Away from dirty water supplies |
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T:Now let’s learn how to use these words to persuade people to buy your food!Let’s come to next part.
Step 3 Speaking
Task 1:The students try to find reasons to persuade people to buy their food.Use the above words about the content of the short passage and the following expressions:
I would rather...
I don’t like because...
I’d prefer...because...
It’s a great pity that...
Should I /we...?
It’s better to...
This is good value because...
If I have a choice I’d choose...because...
What is the advantage of?
You need to...
After three minutes,the teacher asks some students to act out their dialogue.( In pairs,one is the farmer,the other one is a customer.)
Step 4 Writing
Pre-writing
This exercise lets students collect and list information,then select what they think is most important and organize it for presentation.
Task 1:The students gather information that they need and plan what they want to write.
While-writing
Task 2:The students write a poster to encourage more people to buy their green food.
1.The students select and organize what they want to write and write a poster.
2.The students check their mistakes in their poster.
3.The students rewrite their poster.
An example of how to present a poster
Buy the best fruits here. We only sell green food in this shop! Best choice at best price! Safe,healthy,clean,fresh.Far away from any pollution. No chemical fertilizer,all organic fertilizers Clean air,clean water No poison,no pesticides Home in heaven Healthy food means healthy life. Far away from diseases,without worries,full of happiness.( one reason ) |
After-writing
The students show their poster in class.
Writing tips
In writing a poster,make sure it has:
☆An attractive title;
☆Explain the reasons that you sell green food;
☆Explain why your green food is of good value;
☆Try to write correct and clear sentences.
Step 4 Homework
1.Compare the poster with the suggested answers,and remember the useful expressions.
2.Prepare for the next class.
The Design of the Writing on the Blackboard
Unit 2 Working the land Period 5 Speaking and writing In writing a poster,make sure it has: ☆An attractive title; ☆Explain the reasons that you sell green food; ☆Explain why your green food is of good value; ☆Try to write correct and clear sentences. |
Record after Teaching
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Activities and Research
To make preparations for this period,you may ask the students to find some related information on the Internet.A discussion is suggested to get enough information they need.
Reference for Teaching
Learning Tips
写作中的常用句型
以下是写作中使用率最高、覆盖面最广的基本句式,每组句式的功能相同或相似,考生可根据自己的情况选择其中的1~2个,作到能够熟练正确地仿写或套用。
1.表示原因
1）There are three reasons for this.
2）The reasons for this are as follows.
3）The reason for this is obvious.
4）The reason for this is not far to seek.
5）The reason for this is that...
6）We have good reason to believe that...
例如:
There are three reasons for the changes that have taken place in our life.Firstly,people’s living standard has been greatly improved.Secondly,most people are well paid,and they can afford what they need or like.Last but not least,more and more people prefer to enjoy modern life.
注:如考生写第一个句子没有把握,可将其改写成两个句子。例如:Great changes have taken place in our life.There are three reasons for this.这样写可以避免套用中的表达失误。
2.表示好处
1）It has the following advantages.
2）It does us a lot of good.
3）It benefits us quite a lot.
4）It is beneficial to us.
5）It is of great benefit to us.
例如:
Books are like friends.They can help us know the world better,and they can open our minds and widen our horizons.Therefore,reading extensively is of great benefit to us.
3.表示坏处
1）It has more disadvantages than advantages.
2）It does us much harm.
3）It is harmful to us.
例如:
However,everything divides into two.Television can also be harmful to us.It can do harm to our health and make us lazy if we spend too much time watching television.
4.表示重要、必要、困难、方便、可能
1）It is important（necessary,difficult,convenient,possible）for sb.to do sth.
2）We think it necessary to do sth.
3）It plays an important role in our life.
例如:
Computers are now being used everywhere,whether in the government,in schools or in business.Soon,computers will be found in every home,too.We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age.
5.表示措施
1）We should take some effective measures.
2）We should try our best to overcome（conquer）the difficulties.
3）We should do our utmost in doing sth.
4）We should solve the problems that we are confronted（faced）with.
例如:
The housing problem that we are confronted with is becoming more and more serious.Therefore,we must take some effective measures to solve it.
6.表示变化
1）Some changes have taken place in the past five years.
2）A great change will certainly be produced in the world’s communications.
3）The computer has brought about many changes in education.
例如:
Some changes have taken place in people’s diet in the past five years.The major reasons for these changes are not far to seek.Nowadays,more and more people are switching from grain to meat for protein,and from fruit and vegetable to milk for vitamins.
7.表示事实、现状
1）We cannot ignore the fact that...
2）No one can deny the fact that...
3）There is no denying the fact that...
4）This is a phenomenon that many people are interested in.
5）However,that’s not the case.
例如:
We cannot ignore the fact that industrialization brings with it the problems of pollution.To solve these problems,we can start by educating the public about the hazards of pollution.The government on its part should also design stricter laws to promote a cleaner environment.
8.表示比较
1）Compared with A,B...
2）I prefer to read rather than watch TV.
3）There is a striking contrast between them.
例如:
Compared with cars,bicycles have several advantages besides being affordable.Firstly,they do not consume natural resources of petroleum.Secondly,they do not cause the pollution problem.Last but not least,they contribute to people’s health by giving them due physical exercise.
9.表示数量
1）It has increased（decreased）from...to...
2）The population in this city has now increased （decreased）to 800 000.
3）The output of July in this factory increased by 15％ compared with that of January
例如:
With the improvement of the living standard,the proportion of people’s income spent on food has decreased while that spent on education has increased.
再如:
From the graph listed above,it can be seen that student use of computers has increased from an average of less than two hours per week in 1990 to 20 hours in 2000.
10.表示看法
1）People have（take,adopt,assume）different attitudes towards sth.
2）People have different opinions on this problem.
3）People take different views of（on）the question.
4）Some people believe that...Others argue that...
例如:
People have different attitudes towards failure.Some believe that failure leads to success.Every failure they experience translates into a greater chance of success at their renewed endeavor.However,others are easily discouraged by failures and put themselves into the category of losers.
再如:
Do “lucky numbersreally bring good luck？Different people have different views on it.
注:一个段落有时很适宜以问句开始,考生应掌握这一写作方法。
11.表示结论
1）In short,it can be said that...
2）It may be briefly summed up as follows.
3）From what has been mentioned above,we can come to the conclusion that...
例如:
From what has been mentioned above,we can come to the conclusion that examination is necessary,however,its method should be improved.
注:例句1可用于任何一个段落的结论句;例句3则多用文章结论段的第一句。
12.套语
1）It’s well known to us that...
2）As is known to us,...
3）This is a topic that is being widely talked about.
4）From the graph（table,chart）listed above,it can be seen that...
5）As a proverb says,“Where there is a will,there is a way.”
例如:
As is well known to us,it is important for the students to know the world outside campus.
The reason for this is obvious.Nowadays,the society is changing and developing rapidly,and the campus is no longer an “ivory tower”.
As college students,we must get in touch with the world outside the campus.Only in this way can we adapt ourselves to the society quickly after we graduate.
再如:
Does it pay to be honest？This is a topic that is being widely talked about and different people have different opinions on it.
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