Period 5Speaking and WritingThe 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 PointsGet 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 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 students 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 they will learn about how to persuade others to buy the food you have proposed.Teaching ProceduresStep 1 Revision1.Greetings.2.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 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:AdvantageDisadvantage1.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 lets learn how to use these words to persuade people 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 dont like because.Id prefer.because.Its a great pity that.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 Writing Pre-writingThis 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-writingTask 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 posterBuy 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 fertilizersClean air,clean waterNo poison,no pesticidesHome in heavenHealthy food means healthy life.Far away from diseases,without worries,full of happiness.( one reason )After-writingThe students show their poster in class.Writing tipsIn 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 Homework1.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 BlackboardUnit 2Working the landPeriod 5Speaking and writingIn 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 TeachingActivities 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 inform