必修4--Unit2-Working-the-land-全单元导学案

1、必修4 Unit2 Working the land 导学案Learning aims（学习目的）1.Learn the new words and phrase about Working the land in this unit;(学习本单元的有关词汇及用法。)2.Improve the reading skills by reading the two passages of this unit and doing some comprehensive problems （通过阅读本单元的两篇文章和做一些综合理解题，不断提高自己的阅读理解能力。）3.Enable students to

2、 learn about the v-ing form as the subject or the object；（使学生掌握动名词做主语及宾语的用法。）Learning emphasis（学习重点）1.Learn the vocabulary and sentences in this unit;（学习本单元的词汇和句型。）2.Improve the comprehensive reading skills.（提高综合阅读理解能力。）Learning difficulties（学习难点）1.Master the usage of the grammar about the v-ing for

3、m as the subject or the object;( 使学生掌握动名词做主语及宾语的用法。)2.Improve students reading skills .(提高学生的阅读能力能力。)Learning Plan(学案) Period 1 Warming up and Reading【学习目标】1. Help students learn more about agriculture, countryside and farming.2. Help students know something zbout Yuan Longping and his achievements.

4、3. Help students learn some good qualities from Yuan Longping.【学法指导】1.Fast reading to get the general idea of the text.2.Detail reading to understand the passage better.3. Students-centered and teacher-directed【学习过程】请根据下列任务预习课文，并在课堂上按照老师的引导检查各项任务的完成情况。Task I. SkimmingSkim the passage and write the m

5、ain idea of it.The main idea of this passage is that it intriduces to us Yuan Longpings_,_,_ and_. Skim the passage and match the topics with each paragragh.Para 1 Dr Yuans appearance and his achievements. Para 2 Dr Yuans experiences.Para 3 Dr Yuans personality.Para 4 Dr Yuans dreams.Task Careful re

6、ading choose the best answers according to the passage.1. Whats the occupation of Yuan Longping?_ A. A worker B. A scintistC. A designer D. An offer2.DrYuanLongpinglookslike_.A.ascientistB.astrongmanC.afarmerD.apioneer 3. Yuan Longpings main achievement is that_.A.hehasgreatlyraisedtheproductionofri

7、ce B.hehasearnedalotofmoneyfromhisresearchC.hehashelpedtheUnitedNationstogetridofhungerintheworld.D. hehashelpedotherless-developedcountries.4. What kind of person is DR Yuan?_A. He likes to live with the poor and is ready to help them.B. He thinks much of himself but little of others.C.He is strict

8、 with other scientists and the farmers.D. He has his own drems to help people.5. What do you think of him? A. Respectable B. Brave C. Stubborn D. Calm6. From the passage, we can know that_. A. Yuan Longping found a way to increase rice harvest by expanding the area of the fileds.B. Yuan Longping is

9、satisfied with his life because he is famous and rich.C. In the 1950s, many parts of the countryside were short of food.D. His way of increasing rice harvests only work in some Asian countries.Put the events in right order. a. He was born in 1930.b. He graduated from Southwest Agriculture college.c.

10、 In 1950,Chinese farmers produced fifty million tons of rice.d. 200 million tons of rice was produced by growing his hybrid rice. e. He searched a way to increase rice outputs without expanding the area of fields.f. He helps rid the world of hunger by circulating his knowledge in less developed coun

11、tries. Read the passage carefully and fill in the form.NameYuan Longping, one of Chinas most famous_.His looks_ face and arms; slim but strong body.Main events. He_ Southwest Agricultural College in 1953. Since 1953, finding ways to grow more rice has been his life_. In 1973, he became the first agr

12、icultural pioneer in the world to grow rice that has a high_. He is now _ his knowledge in many less developed countries.His personalities. He is quite _ with his life but doesnt care about being famous. He _ keep time for his hobbies. He doesnt care about _ himself or leading a comfortable life. Hi

13、s dreamTo _ his hybrid rice so that it can be grown around the globe.Task Summary Fill in the blanks according to the passage and the given words. Yuan Longping, the father of super hydrid rice, is a famous scientist. He _(struggle) for the past five decades for the Chinese farmers. In 1953 when Yua

14、n Longping_ from college, _was a disturbing problem in many parts of the countryside._, Yuan wanted help _ his motherland od hunger by increasing the rice _ without _(expand) the area of the fields and he made it. He is now circulating his knowledge in many less _(develop) countries to increase thei

15、r rice harvests. Yuan Longpings another dream is _ (export) his rice to the woeld. Thanks to Yuan Longping, the UN has more tools in the battle against hunger _ the world. Peiod2 Language points 长难句分析1.Although he is one of Chinas most famous acientists, Yuan Longping cinsiders hinself a farmer, for

16、 he works the land to do the research.分析：（1）本句是一个并列复合句。第一个分句为主从复合句，含有_引导的让步状语从句。（2）并列连词_引到第二个分句，补充说明原因；_做目的状语。句意:_.2. Yuan Longping grows what is called super hybrid rice.分析：（1）本句中what is called super hybrid rice 是由_引导的名词性从句，在整个句子中充当grows的宾语，同时what又在从句中做主语。（2）what iswas called 或 what people call cal

17、led 是习惯用法，意为“_; _”。句意：_.3.In 1973, he became the first agricultural pioneer in the world to grow rice that has a high output. 分析：（1）本句中不定式短语_ 放在the first agricultural pioneer in the world 后面作定语，即： the first/ last/best/only/very/right+to do sth, 表示“第一个/最后一个/最好的/唯一的/ 合适做某事的人/物”。（2）其中that has a high ou

18、tput是定语从句，修饰先行词_。句意：_.4.This special strain of makes it possible to reduce20% more of the crop in the same fields.分析：（1）本句为简单句。其中_做形式宾语，真正的宾语是不定式短语 to produce。（2）句中含有“make +it+ adj.+ to do”结构5.Born in 1930, Yuan Longping graduated from Southwest Agricultural College in 1953. 分析：本句中Born in 1930 是过去分词

19、短语在句中做_,整个句子的主语是_。句意：_.Period3 Learning about language 动词-ing的形式做主语和宾语Teaching goals:1. To help students discover and learn to use some useful structures.2. To help students learn about the-ibg form as the subject or the object.一、 动词-ing形式的时态、语态及否定形式My son insists in going there with me.He remembere

20、d being taken to Beijing when he was a child.Mary regretted having wasted so much time.Not wating to continue my service in the company, I joined the army.归纳：（1） 动词-ing 形式的一般式与完成式（以do为例） 主动形式：doing一般式 被动形式：_ 主动形式：_完成式 被动形式：_(2) 动词-ing 形式的否定式是在其直接加上_.(3) 动词-ing 形式在时态上分为一般式和完成式。_表示与谓语动词所表示的动作同时或在其后发生的

21、动作；_ 表示在谓语动词所表示的动作之前发生的动作。（4）动词-ing形式在语态上分为主动式和被动式。_表示它的逻辑主语是动词-ing形式的动作执行者；_表示它的逻辑主语是动词-ing形式的动作承受者。运用：（1） 完成句子 Hes been used to _ _ _ _(晚睡觉)。 Im very sorry for_ _ _ _(没有遵守) my promise.(2) 单项填空The aehlete apologized to the people for_ the gold medal.A. not winning B. winning not C. having not winni

22、ng D. not won二、 动词-ing形式做主语观察： Swimming is my favorite sport. Painting and collecting stamps are his hobbies. Its terrible not being allowed to smoke at all. Its a waste of time doing it. Its no use learning without practice. There was no knowing when he would leave.归纳:（1） 单个的动词-ing形式做主语时，多表示经常性的、习惯

23、性的动作，谓语动词用_ 形式；意义不同的两个动词-ing做主语时， 谓语动词要用_ 形式。（2） 动词-ing形式做主语时，也可用it做形式主语。 It is +_ + doing sth. 做某事是.的 It is a waste of + _/money + doing sth. 做某事是浪费时间/金钱的 It is no +_/good + doing sth 做某事是没有用的/没有好处的（3）“_+doing”为常见结构。相当于“It is impossible to do sth”运用：（1） 完成句子 It is useless _ _(与.争论) him because he i

24、s stubborn. It is a waste of time _ _(玩游戏) on the computers. It is no good _ _ _ (吃太多) every evening. There was _ _ (无法知道) why the little girl left school without saying a word. _ _ _ (读书是) a good way of learning languages（2） 单项填空 It is no use _ here.A. to be waiting B. to wait C. waiting D. being w

25、aited三、动词-ing 形式做宾语观察:The boy admitted his being careless.Everyone was looking forward to returning home.As soon as he finished homework, he began to help/helping his mother with the housework.What do you like doing in the evening?Would you like to see a film this evening?Missing the bus means waiti

26、ng for another ten minutes.She meant to catch the early bus, but it was too late.归纳：(1) 在_, consider ,avoid, enjoy , escape, excuse, finish, imagine, mind ,miss , practice, suggest, delay ,appreciate 等动词之后只能用动词-ing形式做宾语，不能用动词不定式。(2) 在_, give up, put off, get down to(开始做)，object to, devote oneself to

27、, cant help(禁不住)等动词短语之后用动词-ing形式做宾语。(3) 动词_，start, continue等后既可用动词不定式也可用动词-ing形式做宾语，基本意义相同。(4) 动词love, like, hate 等后可跟动词-ing形式和动词不定式做宾语，但接_表示一般的或抽象的；接_表示具体的或一次性的动作。(5) 一些动词（词组）后既可以跟动词-ing做宾语，又可跟动词不定式做宾语，但意义有很大的差别。常见的这类动词（词组）有_, go on, forget, remember, try, regret等。mean doing sth 意味着做某事mean to do st

28、h 打算做某事go on doing sth继续做同一件事情go on to do stj 接着做另一件事情forget doing sth 忘记做过某事forget to do sth 忘记要做某事运用：用所给词的适当形式填空 Would you mind _(close) the door? I cant help_(laugh) on hearing the funny story. After a short rest, she continued_(work). What do you like _(do) after class. She regretted _(refuse) t

29、he chance to go abroad.四、动词-ing形式的复合结构观察Their failing in the examination made them all disappointed.(做主语)Kates coing here in time made everyone present happy.（做主语）Forgive my/me interrupting you.(做宾语)I know nothing about the window being open.(做宾语)Im grateful for Toms coming to my birthday party.归纳：（

30、1） 动词-ing形式的复合结构做主语的几种形式 _+动词-ing形式 _+动词-ing形式（2） 动词-ing形式的复合结构做宾语的几种形式_物主代词+动词-ing形式人称代词_+动词-ing形式 _+动词-ing形式 _+动词-ing形式 Period4 Using LanguageTeaching goals:1. Help students to understand the passage and realize the importance of organic farming.2. Help students to improve their reading, listening

31、, speaking and writing abilities.Task1 SkimmingFind out the main idea of these four paragraphs. Match the lines.P.1 Other methods to keep the soil fertile P.2 Farmers and customers turn to organic farming. P.3 Problems caused by chemical fertilizers P.4 Long-term use of chemical fertilizers can caus

32、e damage to the land and peoples health.Task2 Scanning: Fill in the blanks. Chemical Farmingproblems Causes1._ the land Chemicals fertilizers kill the helpful bacteria and pets as well as the the harmful Ones.2._ crops, animals and humansChemicals get inside the cross and cannot just be washed off.3

33、._ to cancer or othew illnessThese chemicals in the food supply4._ up in peoples bodies over time.Fruit, vegetables and other food have less5._They grow very fast. Organic Farming Method AdvantagesUse natural waste from animals as fertilizer Make the soil in their fields 6._ in minerals and so more fertileChange the kind of crop in each field 7._ few years8._ important minerals back into the soil, making it ready for other cropsPlant different crops with different roots Use different levels of 9._Plant grass between crops and then leave it in the ground10._ wind or water