必修4 Unit 2 Working the land教案.doc

必修4 Unit 2 Working the land林燕玲2014.4.18I单元教学目标技能目标Skill GoalsTalk about agriculture: a pioneer in farming -Yuan LongpingTalk about organic farming & green foodHow to write a brief summaryTry to consolidate how to express suggestions & adviceMaster the usage of the -ing form as the subject and objectLearn how to design English postersII. 目标语言功能句式Talk about the important people, history and methods of agriculture. What do farmers usually do in the fields?How to grow rice?Who made a great contribution to solving the problem of hunger?Practice how to persuade others to buy green food.You need toThe advantages areId preferbecauseWhats the advantage of?Its better toIts more expensive butI dont like becauseId ratherThis is good value because词汇1 四会词汇hunger, sunburn, struggle, super, output, expand, circulate, satisfied, equip, freedom, violin, motorcycle, grain, export, suitable, chemical, confuse, mineral, reduce, supply, bacteria, pest, level, whatever, summary, exchange, nutrition, certain2认读词汇Hybrid, strain, sorghum, peanut, personality, organic, fertilizer, soybean, producer, industrial3 词组rid . of, be satisfied with, lead a . life, would rather, refer to, search for, thanks to, rather than, with the hope of .语法动词的 -ing 形式作主语和宾语的用法Learn to use The ing form as the subject and object.1. The ing form as the subjectSince then, finding ways to grow more rice has been his life goal.Spending money on himself or leading a comfortable life also means very little to him.2. The ing form as the objectAs a young man, he saw the great need for increasing the rice output.He enjoys listening to violin music, playing mah-jong, swimming and reading.重点句子1. However, he cares little about spending the money on himself or leading a comfortable life. 2.His other hobbies include playing mah-jong, swimming and reading. 3. Wishing for things, however, costs nothing.P104. It also refers to crops growing with natural rather than chemical fertilizers. 5. Putting this in their fields, they argue, makes the soil . P136. This is important because developing a healthy soil reduces diseases .P137. However, using chemical fertilizers is a big problem. P138. Instead, organic farmers insist on changing crops every two or three years.P149. These put the minerals back into the soil, making it rich and healthy .P1410. . make sure that what is left in the ground after harvesting becomes a .P1411. He advised farmers to clear weeds from the ground before planting crops. 12. He suggested changing crops in the field every year. P52课时安排Periods needed: 8 periodsPeriod 1-2. New words learning & Warming up & Reading Period 3-4 Important language points.Period 5-6 Using language: Extensive reading & writingPeriod 7 GrammarPeriod 8 Sum up & Exercises分课时教案Period 1-2. New words learning & Warming up & Reading一、Teaching aimsKnowledge aims:1. Let the students learn and grasp new words and expressions of unit 5.2. Enable Ss to learn more about agriculture, countryside and farming. 3. Enable the students to know the main idea of the passage.Ability aims: Develop the students reading ability and let them learn to use some reading strategies such as skimming, scanning, and so on.Emotional aims:1. Let the students treasure what we have now, including rice ,friendship and so on.2. Develop the students spirit of cooperation and teamwork.二、Teaching important points1. Talk about the procedures of growing rice.2. Discuss the importance of rice.3. Let the students know the main idea of the passage.三、Teaching difficult points1. Understand how to grow rice. 2. Discuss the question:What will life be like if we have no food to eat?四、Teaching methods1.Skimming and scanning2.Asking-and-answering activity3.Individual, pair or group work to finish each task.4.Discussion.五、Teaching proceduresStep1. New words learning1. Ask the students to pronoun the new words of this unit and correct some of them.2. The whole class read the new words after the teacher.3. The whole class read the new words together.Step2. Lead-in and Warming Up 1. Have you ever been to such a place?What did farmers usually do there?-Farmers grow rice there.2.Do you know how to grow rice？Plow the fields, grow some young plants, insert the young plants into the fields, spray the agricultural chemicals, harvestT: That is how the rice comes from. We have learnt a poem about growing rice. Do you remember?S: Li shen Min Non T: Yes, you get it!Then show them the pictures about the poem:p Farmers weeding at noon, p Sweat down the field soon.p Who knows food on a tray,p Due to their toiling day.Step3. Pre-reading 1. DiscussionGet the Ss to discuss the questions:What do you think would happen if tomorrow there was suddenly no rice to eat?Suggested answer: starve to death.2. Conclusion:Suggested answer:Rice plays an important role in our life. We should treasure it and find more ways to produce more rice.3. Do you know how to solve this problem? And who made a great contribution to solving this problem?Suggested answer: Yuan Longping Step4. Reading: A pioneer for all people1. SkimmingTask 1: Listen to the tape and try to fill in the following blanks.Name: Yuan LongpingAge:84 ( as of 2014)Nationality： ChineseOccupation：scientist/ farmerEducation：graduated from Southwest Agricultural College in 1953Dream：to export his hybrid rice so that it can be grown around the globeAchievement: in 1973, developed hybrid rice which produces 20% more than normal riceHobbies: listening to violin music, playing mah-jong, swimming and reading.Task 2: According to the exercise one on Page 11, sum up the main idea of the passage.Summary: Yuan Longping, an ordinary person but a famous scientist, has been working hard to increase rice harvest without expanding the area of the field, helping China as well as the world get rid of hunger.2.Scanning Task 3: Finish the exercises book Page 27 Task2 金版学案学生用书27页1.Why does Yuan Longping work the land?A. Because he was born into a farmers family.BBecause he needs to do his research on farming.CBecause he is interested in farming.DBecause he has a slim and strong body.2. According to the text, in 1950, Chinese farmers could produce only _ tons of rice.A.20 B.200 C.56 D.5003. The following are all Yuan Longpings hobbies EXCEPT_.A. Listening to violin musicB. Swimming and readingC. Playing mah-jongD. Smoking and drinking4.How does Yuan Longpings feel about money?A. Too much money can only bring more troubles than happiness.B. One has to own a large sum of money.C. Money is not important at all.D. One has to spend all his money on his own research.5. The whole passage mainly talks about_.A. how to sovle the worlds hunger problemB. how to increase rice harvests.C. Yuan Longpings achievements in farmingD. Yuan Longpings daily lifeSuggested answers: B CDACStep 5. DiscussionWhat advantages and disadvantages do you see in Yuan Longpings life? Would you like to have a life like his? Why or why not?Step6. Homework1.Copy the new words and learn the new words by heart.2.Learn the useful new words and expressions in this period by heart. Period 3-4 Language points一、Teaching aimsKnowledge aims:1. Get the students to learn and grasp some important new words and expressions.2. Get the students to understand some useful sentence patterns.The ing form as the subjectSince then, finding ways to grow more rice has been his life goal.Spending money on himself or leading a comfortable life also means very little to him.The ing form as the objectAs a young man, he saw the great need for increasing the rice output.He enjoys listening to violin music, playing mah-jong, swimming and reading.Ability aims:1. Enable the students to use some useful words and expressions correctly.2. Enable the students to learn how to understand new words, expressions and difficult sentences according to the context.Emotional aims:Develop the students spirit of cooperation and teamwork.二、Teaching important pointsEnable the students to grasp the usages of some important new words ,expressions and difficult long sentences.三、Teaching difficult pointsHow to enable the students to grasp the usages of some important new words and phrases and understand some difficult long sentences.四、Teaching methods1. Discussing, summarizing and practicing.2. Cooperative learning.五、Teaching proceduresStep1. Lead-in1. Ask the students to read the new words together.2. Ask the students to read the passage paragraph by paragraph.Step2. Language points1. strugglev.挣扎；努力；拼搏；斗争 n. (为争取自由、政治权利等而进行的)斗争，奋斗常用结构：struggle with与斗争struggle for 为争取而斗争struggle against与斗争；为反对而斗争struggle to do sth. (=make great efforts to do sth.)努力做某事struggle to ones feet 挣扎着站起来eg:She struggled to keep back the tears. 她努力忍住泪水。It was a hard struggle to get my work done on time. 为使工作按时完成, 我做了一番努力。易混辨析struggle/fightstruggle指较长时间的、激烈的斗争，往往指肉体及精神上的战斗。fight意为“搏斗，打斗，打架”，表示“斗争”时，包含体力和勇猛的因素。高手过招 学案学生用书P19(1)完成句子 我们应当帮助那些仍在为独立而斗争的人们。We should help those who are still . 他们得和各种各样的困难作斗争。They had to .(1)struggling for independencestruggle with/against all kinds of difficulties2.hunger n.饥渴，饥饿 vi. 渴望，欲望hungry adj. 饥渴的，饥饿的常用结构：die of hunger 饿死satisfy ones hunger 充饥hunger for sth 渴望某物高手过招 学案学生用书P19完成句子 (1) Most children hunger for books.(2) They were miserable with hunger and cold.3.disturbing adj. 引起烦恼的；令人不安的 disturb vt.打扰；弄乱；使不安 disturbed adj. 心神不宁的eg: Some violent scenes are very disturbing. 一些暴力场面着实令人很厌烦。4.expandv.扩大；扩展；增加；增长；（使）膨胀；阐述；使变大常用结构：o.将扩展/发展成expand on 阐述；详谈He is thinking of expanding his business. 他在正考虑扩大他的生意。In ten years the citys population expanded by 12%. 十年之中,该市人口增加了百分之十二。联想拓展expansion n. 展开；膨胀；扩展expansive adj. 广阔的；易膨胀的易混辨析expand/extend/spread/stretch expand 意为“展开，扩大”，不仅指尺寸的增加，还可指范围和体积的扩大。 extend 意为“伸出，延伸”，指空间范围的扩大，以及长度，宽度的向外延伸，也可指时间的延长。 spread 意为“传播；蔓延；铺开”。一般指向四面八方扩大传播的范围，如传播（疾病），散布（信息）等。 stretch 意为“伸展(身体等)，拉长；连绵”，一般指由曲变直，由短变长的伸展，不是加长。 高手过招选词填空（expend/extend/spread/stretch）The fire soon to the nearby houses.The tourist season from May till October. A balloon when it is blown up.The cat out in front of the fire.答案:spread extends expands stretched5. circulate v. 循环，交流 circulation n.循环，流通，发行额 circulative adj. 循环的，促进循环的，流通的eg: People who circulate false news are to be blamed.6. thanks to由于；多亏（有时用作反语）;因为Thanks to your help, we were successful. 由于你的帮助，我们成功了。Thanks to you, I was saved from drowning. 多亏你，我才没被淹死。Thanks to the bad weather, the match had been cancelled. 多亏了这倒霉的天气，比赛被取消了。（反语）联想拓展 金版学案学生用书P20表示“因为，由于”的短语还有：because of，owing to，on account of，due to，as a result of。温馨提示以上这些都是介词短语，因此后面可以跟名词或动名词而不可以跟从句。7.battle vt&vi 搏斗；奋斗n. 战役；战斗；斗争搭配：battle against 与战斗battle for 为而战eg: Many soldiers died in that battle. 很多士兵在那场战役中阵亡了。8. rid .of摆脱；除去You should rid yourself of that bad habit. 你应该改掉那个坏习惯。联想拓展be rid of 摆脱get rid of 摆脱；除掉；去掉rid oneself of debt 还清债务break away from 摆脱；放弃You must break away from such a bad habit. 你必须改掉这样的坏习惯。It wont be long before we can be/get rid of the pest altogether.不用太久，我们就能把这种害虫消除干净。高手过招同义句转换 （原创）Could you rid yourself of the bad habit of smoking? Could you the bad habit of smoking? 答案: get rid of 9.be satisfied with 对感到满意eg: Im not satisfied with the way he cut my hair.10. would rather 宁愿，宁可联想拓展would rather.than.是常用句式，意为“宁可（愿）（而）不要（愿）”would rather从句时，从句要用虚拟语气，用动词的过去时表示。would rather have done 本想做（而实际上未做）Id rather you didnt. (常用来委婉拒绝别人)我希望你不要。He would rather stay at home watching TV. 他宁愿待在家里看电视。Id rather not go there. 我宁愿不去那里。Id rather you came tomorrow than today. 我宁愿你明天来而不是今天来。Id rather have made a telephone call to him yesterday. 我昨天本想给他打个电话的。高手过招单项填空Shall we go skating or stay at home? Which do yourself? （201001江西南昌检测）A. do you rather B. would you rather C. will you rather D. should you rather Id rather the basketball match last night. Otherwise, I would have finished my paperwork by now. （201001江苏徐州检测）A. not have watched B. not watchC. hadnt watch D. havent watch解析：选B。考查would rather do sth.这一结构的用法。而do, will和should都不能与rather 搭配。would rather (not) do sth.意为“宁愿（不愿意）做某事”。解析：选A。would rather not have done意为“本不想做（实际却做了）”。后一句句意为：否则我现在已经完成了我的文件。 所以前句表示“本不想看球赛却看了”，故选A。11. therefore adv. 因此；所以；因而eg: Theres still much to discuss. We shall, therefore, return to this plan at our next meeting. 要讨论的问题还有很多。所以，我们将在下次会议中再讨论这个计划。注意： therefore 较为正式，常用于数学，逻辑和其他精细的推论中，尤其表示严谨的推理；so 用于简洁的会话和日常的文体中。12.equip vt. & vi. 配备；装备 equipment n.装备，设备，不可数名词常用结构：equip sb./sth. with 用武装某人；用装备某物 equip sb./sth. for 为而武装某人；为而装备某物 a piece of office equipment 一件办公设备eg: Your training will equip you for your future job.13. export vt.&vi 出口export n 输出；出口（不可数名词）exporter n. 出口物，输出者，出口公司exportation n. 输出import vt.&vi 进口importation n. 输入eg: We export rice but import beans.14.regret vt 遗憾；惋惜 n.遗憾；懊悔搭配： regret doing sth 后悔做了某事 regret to do sth 对做某事感到遗憾eg: I regret spending so much money on a car.Step3. Sentence focus重点句型1. In 1974, he became the first agricultural pioneer in the world to grow rice that has a high output. 1974年，他成为世界上第一位种植高产水稻的农业先锋。 不定式放在表示次序的词the first, the last, the best以及the only, the very, the right等词后面, 且这些词与动词不定式有逻辑上的主谓关系，结构为：the first/last/best/only/very/right .+n. + to do sth.表示“第一个/最后一个/最好的一个/唯一的/恰好的/合适的做某事的人/物”。He is always the first to come and the last to leave. 他总是第一个来并且最后一个离开。The last man to leave the sinking ship was the captain. 最后一个离开正在下沉的船的那个人是船长。高手过招单项填空He is the last person to Marys birthday party.（原创）A. to invite B. to be invited C. invited D. being invited 解析：选B。考查不定式作定语的用法。当名词前面有序数词或last, next等词修饰时，名词后面多用不定式作定语。如New Zealand was the first nation in modern times to allow women to vote. 新西兰成为现代史上第一个允许妇女有选举权的国家。 2. Using his hybrid rice, farmers are producing harvests twice as large as before. 用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。倍数表达法：Abe倍数asadj.asBAbe倍数比较级thanBAbe倍数（由某些形容词变化而来的）n.ofBIm not going out with a man whos twice as old as me. 我不愿意和一个年纪比我大一倍的男人一起参加社交活动。We got three times as many people as expected. 来的人超过我们预料人数的两倍。Youre not half as clever as you think you are. 你可不像自己想像的一半那么聪明。Step4.Homework1. Finish off the Workbook exercises. 2. Prepare for the dictation (1)Period 5-6 Extensive reading and writing一、Teaching aimsKnowledge aims:1 Discuss what do farmers put into the soil to make crops grow well?2. Learn how to write an exposition. Ability aims:1. Develop the students reading skills by extensive reading.2. Enable the students to learn about green food.Emotional aims:1. Enable Ss to talk about the difference between chemical and organic farming.2. Develop the students spirit of cooperation and teamwork.二、Teaching important points 1. Develop the students reading skills by extensive reading.2. Enable the students to learn about organic farming methods.三、Teaching difficult pointsEnable the students how to write an exposition.四、Teaching methods1. Task-based teaching and learning2. Cooperative learning and practice 3. Discussion五、Teaching proceduresStep1. RevisionReview the new words and important points.Step2.Lead-in1.What do farmers put into the soil to make crops grow well? fertilizer2.Whats the differences between chemical and organic farming? (show them some pictures to see the differences)Step 3 Reading1. skimmingTask 1 Skim the text, try to get the main idea of each paragraphPara 1 Long-term use of chemical_fertilizers can cause damage to the land and peoples health.Para 2 Problems_ caused by chemical fertilizers.Para3 Farmers and customers turn to _organic farming.Para4 Other methods to keep _the soil fertile.Task2 Sum up the main idea of the passageChemical fertilizers may stop crop diseases, increase production but cause damage to the land and people while farming may keep the soil rich and free from chemicals.2. Scanning 金版学案学生用书P23(1)From the passage, we can see organic farmers are those who_.A. grow crops with chemical fertilizers.B. grow crops with natural fertilizersC. produce organic fertilizersD. care for the environment(2)From the fourth paragraph, we know that_.A. its not good to plant grass between cropsB. peanuts use the surface of soilC. peas and soybeans should be grown together with corn and wheat.D. vegetables that put down deep roots are harmful to the soil(3)According to the text, which of the following is NOT the problem caused by chemical fertilizer?A. Crop diseases can be stopped.B. Chemicals stay in the ground and underground water for a long time.C. The helpful bacteria and pests are killed as well as the harmful one.D.