高中英语：教学设计（第5课时）：Working the land

1、Per i od 5 Speak i ng and Writing 教学设（第 5 课时）The General Idea of This PeriodThis 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 Point

2、sGet 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 PointsHow to write a poster in a correct way.Teaching MethodsCreate some situations for the Ss to talk actively in public.Practice

3、to improve the students writing ability.Teaching AidsA multimedia computerThree Dimensional Teaching AimsKnowledge and SkillsGet the students to learn how to write a poster.Help the students consolidate the words, expressions and drills learnt in this unit.Process and StrategiesEncourage the student

4、s to describe the advantages and disadvantages by offering examples.Feelings and ValueAs 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

5、they will learn about how topersuade others to buy the food you have proposed.Teaching ProceduresStep 1 RevisionGreetings.Ask the students to tell the words, expressions and drills that can be used to describe organic farming.Step 2 ReadingThis is the first step of Reading, Speaking and Writing. In

6、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; f

7、or writing, the most important thing is to practice 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.l Page 15,and ask the students to find out the key points of the passage.The suggested answer:Advan

8、tageDisadvantage1.Healthy and safe1. People dont know about the food and how good it is.2.Free of chemical fertilizers2. More expensive than other food which is not so safe.3.Grown away from industrial areas4. Away from dirty water suppliesT: Now lefs learn how to use these words to persuade people

9、to buy your food! Lets come to next part.Step 3 SpeakingTask 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 don9t like because.rd prefer.because.Its a great pity that.

10、Should I /we.?Its better to.This is good value because.If I have a choice Id 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 WritingPre-writingThese exe

11、rcises let students collect and list information, and 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-writingTask 2: The students write a poster to encourage more people to bu

12、y their green food.The students select and organize what they want to write and write a poster.The students check their mistakes in their poster.The students rewrite their poster.After-writingThe students show their poster in class.Writing tipsIn writing a poster, make sure it has:An attractive titl

13、e;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 HomeworkCompare the poster with the suggested answers, and remember the useful expressions.Prepare for the next class.The Design of the Writing on the Blackboar

14、dRecord after TeachingActivities and ResearchTo 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 TeachingLearning 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,

15、考生可根据自己的情况选择其中的12个，作到能够熟练正确地仿写或套 用。.表示原因There are three reasons for this.The reasons for this are as follows.The reason for this is obvious.The reason for this is not far to seek.The reason for this is that.We have good reason to believe that.例如：There are three reasons for the changes that have take

16、n place in our life. Firstly, peoples 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 l

17、ife. There are three reasons for this.这样写可以防止 套用中的表达失误。.表示好处It has the following advantages.It does us a lot of good.It benefits us quite a lot.It is beneficial to us.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

18、 our horizons. Therefore, reading extensively is of great benefit to us.表示坏处It has more disadvantages than advantages.It does us much harm.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

19、much time watching television.表示重要、必要、困难、方便、可能It is important (necessary, difficult, convenient, possible) for sb.to do sth.We think it necessary to do sth.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, c

20、omputers 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.表示措施We should take some effective measures.We should try our best to overcome (conquer) the difficulties.We should do

21、our utmost in doing sth.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.表示变化Some changes have taken place in the past five years.A great

22、change will certainly be produced in the worlds communications.The computer has brought about many changes in education.例如：Some changes have taken place in peoples 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

23、grain to meat for protein, and from fruit and vegetable to milk for vitamins.表示事实、现状We cannot ignore the fact that.No one can deny the fact that.) There is no denying the fact that.This is a phenomenon that many people are interested in.However, thats not the case.例如：We cannot ignore the fact that i

24、ndustrialization 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.表示比拟Compared with A,B I prefer to read rather than wat

25、ch TV.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 peoples health by g

26、iving them due physical exercise.表示数量It has increased (decreased) from.to.The population in this city has now increased (decreased) to 800 000.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 peoples in

27、come 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.表示看法People have (take, adopt, assume) different attitude

28、s towards sth.People have different opinions on this problem.People take different views of (on) the question.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 gre

29、ater 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 numbers really 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。.表示结论In short, it can be said that.It may be briefly summed up as follows.From what ha