高中英语 Period 5　Speaking and Writing（Unit 2 Working the land）优秀教案 新人教版必修4

1 PeriodPeriod 5 5 SpeakingSpeaking andand WritingWriting TheThe GeneralGeneral IdeaIdea ofof ThisThis PeriodPeriod 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 TeachingTeaching ImportantImportant Points 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 TeachingTeaching DifficultDifficult Points Points How to write a poster in a correct way TeachingTeaching Methods Methods Create some situations for the Ss to talk actively in public Practice to improve the students writing ability TeachingTeaching Aids Aids A multimedia computer ThreeThree DimensionalDimensional TeachingTeaching AimsAims KnowledgeKnowledge andand Skills Skills Get the students to learn how to write a poster Help the students consolidate the words expressions and drills learnt in this unit ProcessProcess andand Strategies Strategies Encourage the students to describe the advantages and disadvantages by offering examples FeelingsFeelings andand Value 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 TeachingTeaching ProceduresProcedures StepStep 1 1 Revision Revision 1 Greetings 2 Ask the students to tell the words expressions and drills that can be used to describe organic farming StepStep 2 2 Reading 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 2 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 TheThe suggestedsuggested answer answer AdvantageAdvantageDisadvantageDisadvantage 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 4 Away from dirty water supplies T Now let s learn how to use these words to persuade people to buy your food Let s come to next part StepStep 3 3 Speaking 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 StepStep 4 4 WritingWriting Pre writing Pre writing This exercise lets students collect and list information then select what they think is most important and organize it for presentation TaskTask 1 1 The students gather information that they need and plan what they want to write While writing TaskTask 2 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 3 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 After writing The students show their poster in class WritingWriting tips 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 StepStep 4 4 Homework Homework 1 Compare the poster with the suggested answers and remember the useful expressions 2 Prepare for the next class TheThe DesignDesign ofof thethe WritingWriting onon thethe BlackboardBlackboard 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 RecordRecord afterafter TeachingTeaching ActivitiesActivities andand ResearchResearch 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 ReferenceReference forfor TeachingTeaching LearningLearning Tips Tips 写作中的常用句型写作中的常用句型 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 1 表示原因表示原因 4 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 2 表示好处表示好处 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 3 表示坏处表示坏处 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 4 表示重要 必要 困难 方便 可能表示重要 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 5 表示措施表示措施 1 We should take some effective measures 5 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 6 表示变化表示变化 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 7 表示事实 现状表示事实 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 8 表示比较表示比较 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 9 表示数量表示数量 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 6 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 10 表示看法表示看法 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 numbers really bring good luck Different people have different views on it 注