1、英语必修4人教版Unit 2 Working the land Period 1 Warming up and Reading 优秀教案人教版必修4Periods 1Warming up and ReadingThe General Idea of This PeriodThis period includes Warming up,Pre-reading,Reading and Comprehending of Unit 2.It introduces something about agriculture,especially about Dr Yuan and his super hyb
2、rid rice.It can help the students,especially the students in cities,know something about agriculture.In fact this world faces a serious problemstarvation. So after reading the passage about Dr Yuan the students will know the importance of his achievement to man.Of course they will learn from Dr Yuan
3、 some noble characters,and learn how they should try their best to make contributions to the society. Teaching Important Points Help the students to understand the passage better. Learn and master the important words and phrases in this period. How to help the students make up their minds to make co
4、ntributions to the society in the future like Dr Yuan. Teaching Difficult Points How to help the students improve their reading ability and understand the passage better. How to master the important language points in this passage. Teaching Methods Fast reading to get the general idea of the text. D
5、etail reading to understand the passage better. Explanation to help the students master some language points. Discussion to help the students understand better what theyve learned and to use the knowledge theyve learned in this period. Teaching Aids A tape recorder A multimedia Three Dimensional Tea
6、ching Aims Knowledge and Skills Train the students reading ability. Learn the following useful words,expressions and drills: Words:sunburn,struggle,super,expand,circulate,equip,export Expressions:rid.of,be satisfied with,lead a.life,search for,would rather,thanks to,with the hope of,rather than Dril
7、ls: 1) This special strain of rice makes it possible to produce one-third more of the crop in the same fields. 2) He cares little about spending the money on himself or leading a comfortable life. 3) He also doesnt care about being famous. 4) He feels it gives him less freedom to do his research. 5)
8、 His other hobbies include playing mah-jong,swimming and reading. 6) Wishing for things,however,costs nothing. Enable the students to learn more about agriculture,countryside and farming.They can exchange their experience with each other by talking and realize the role that agriculture plays in huma
9、n life from this part. Process and Strategies Fast reading to make the students get the main idea of the passage. Explanation to make the students master some language points. Feelings and Value It can help the students,especially the students in cities,know something about agriculture. Teaching Pro
10、ceduresStep 1 Warming up T:Good morning / afternoon everyone. Ss:Good morning / afternoon,teacher. T:In unit 1 the previows we learnt some great women.Today well learn something about a famous man.At first lets look at the following pictures and tell me what the people are doing? Ss:They are farming
11、. T:Are you from a farmers family?What do you know about farming? (Show the following chart word by word on the screen,and ask them to tell more.) soilcropsploughingweather and climateirrigating.T:Maybe everyone knows something about the modern agriculture,but do you know anything about the agricult
12、ure in the past?Then show the students the following pictures: Agriculture in the past The modern agricultureStep 2 Pre-reading The purpose of this step is to let the students know the importance of rice.By answering the two questions,the students can easily understand why we call Dr Yuan Longping a
13、 pioneer for all people,and why he devotes all his life to the rice research. T:What is the main food in all East Asian and Southeast Asian countries? Ss:Rice.It is said that there are 2.4 billion people to eat rice every day throughout the world. T:What do you think would happen if there was sudden
14、ly no rice to eat? Ss:If that happened,people there would suffer from starvation.People would be panic(惊慌) and the whole country would get into trouble. T:But today it will not happen because Dr Yuan Longping helps us.So today well learn a passage about Dr Yuan,the Father of hybrid rice.Lets come to
15、 the text. Step 3 Fast reading The reading material is about an agricultural pioneer named Yuan Longping who worked hard at a new strain of rice.It has proved so successful that his technology spread into other countries.The purpose of the fast reading is to let the students find some useful informa
16、tion,and get familiar with the text.So in this step,the teacher can design some questions the for the students,so that they can easily find the answers and finish the reading task. T:Read the text fast and find out the answers to the questions on the screen.Then Id like to ask you to answer them. Sh
17、ow the questions on the screen and give the students three minutes to read the text quickly. 1.What is Dr Yuans appearance? 2.Whats his achievement? 3.Do you think he is a great man?Why?Three minutes later. T:Now who would like to answer the first question? S:1.He has a sunburnt face and arms and a
18、slim,strong body.He is more like a farmer than a scientist. T:You are right,very good!What about the second one? S:2.He grows what is called super hybrid rice,which makes it possible to produce one-third more of the crop in the same fields.Thanks to his research,the UN is trying to rid the world of
19、hunger.Using his hybrid rice farmers producing harvests twice as large as before. T:Do you think he is a great man?Why? (Ss give their own answers.) Step 4 Detailed reading T:Please read the text again,and try to find the answers for the following questions: Ill give you four minutes. 1.Why did Dr Y
20、uan want to increase the rice output when he was young? 2.How does he help rid the world of hunger? 3.What kind of life is Dr Yuan leading? 4.Use a few words to describe Dr Yuans personality. Four minutes later. T:Who have found the answer for the first question? Suggested answers: 1.Dr Yuan wanted
21、to increase the rice output because he saw many people go hungry when he was young. 2.He helps the world get rid of hunger by producing a hybrid strain of rice which increase the harvest. 3.Dr Yuan is leading a simple life,doing his research,listening to his music and riding his motor-bike. 4.Dr Yua
22、n is a simple,academic man who is more interested in helping others than being famous. Step 5 Extensive reading T:Now please read the text for the third time,then fill the following chart: Ss read and fill the chart: NameYuanLongpingBornGraduatedAppearanceHe has _ face and arms.His body is _ but _.A
23、ll this makes him look as a real _.AchievementsHe succeeded in _. He became the first agricultural _ in the world to grow _whose output is high.He helped the government highly increase the _ of grain.Personality1.care little for _2.would like to live a life of _3.has great _. Step 6 Discussion Do yo
24、u want to end the famine(饥荒)in the world?If you had the chance to do one thing to help end hunger in the world,what would you do ? Invent a new kind of plant to produce more food. Find a sort of fertilizer(肥料)to give rice enough nutrition. Stop the pollution to the environment and protect the soil i
25、n the field.Step 7 Language points The teacher explains the important words and expressions from the reading.Try to use as many examples as possible to illustrate the point.After illustration,the teacher can give the students some exercise to consolidate their understanding. Step 8 Homework Finish t
26、he exercises on Workbook. Prepare for the next class. The Design of the Writing on the BlackboardUnit 2Working the landPeriod 1Warming up and ReadingLanguage focus 1.rid.ofmake sb./sth.free from (sb./sth.unpleasant) e.g.We all wish that we would rid the world of famine. The farmer recently tried to
27、rid the house of rats. 2.lead a.life,live a.life e.g.Now we are leading a happy life. In the old days farmers led a terrible life in the country. 3.would rather,prefer to e.g.Id rather walk than take a bus. Id rather you knew that now,than afterwards. Record after TeachingActivities and Research Res
28、earch on cropsThis activity is intended for group cooperation.The students have to assign themselves the work.The students are asked to study three or four crops that are grown on the land,including where it grows;the varieties;its ideal environment.This activity is important for the students as it
29、encourages independent learning and develops research skills. 1.Assign each group to find out the information of one kind of crop. 2.Students can search some information on the Internet,they can also gain a lot of information from a good set of encyclopedia. 3.Encourage them to do the work out of sc
30、hool as homework or independent project work. 4.Help the students organize their information under the three headings:geography,varieties and environment. 5.When students present their work,praise their efforts in class and give them encouragement and suggestions to improve the quality of their futu
31、re projects. 6.Teacher can also display the students projects for other classes and their parents to see. Reference for Teaching Background Information 1.Crops1)Cucumbers Cucumbers are grown for eating fresh or preserving as pickles.They must be grown in warm temperatures and full sunlight,and will not stand frost.Cucumbers mature quickly and are best suited to large gardens but can be grown in small areas if caged or trellised. Cucumbers do best in loose,sandy loam soil but can be grown in any well drained soil.
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