必修4unit2workingthelandreading.ppt

PoemBy Li ShenFarmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.A poemFarmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.Warming up1.Have you ever grown any plants?If so,what did you do to grow them?If not,what kind of plant would you like to grow?How will you grow it?What do you know about“farming”?wheat sorghumrice corn Potatoes Staple food select the weeds plough the soil turn over the soil sow the seeds remove the weeds fertilize farming stepsPre-reading WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?Rice.Itissaidthatthereare2.4billionpeopletoeatriceeverydaythroughouttheworld.If there was no rice one day,what would happen?In the late 1990s,Brown,an American scholar,came up with the theory of Chinese Menace(威胁威胁),which said that in the 2030s,Chinese population will add up to 1.6 billion,and had the question who would feed the large population in China as well as in the world.Just at that time,a Chinese scientist declared to the world that China can solve the problem by himself and help to solve the same problem in the world.Father of Hybrid Rice What kind of person is Dr YuanLongping in your mind?happy sad nervous shy prouddreamingTask 1 SkimmingHow can he solve this problem?Super Hybrid RiceSuper Hybrid Ricethe rice that has a high outputThats how he regards himself.Task 2 ScanningFindoutthemainideaofeachparagraph.Para1 A.Dr Yuans dreams.Para2 B.Dr Yuans personality.Para3 C.Dr Yuans biography.Para4 D.Dr Yuans appearance and his achievement.A PIONEER FOR ALL PEOPLE Match the following headings with the right paragraphs.Para.1 Dr Yuans appearance and his achievementTask 3 Careful readingQ1:What does Dr Yuan look like?He has a sunburnt face and arms and a slim,strong body.He is more like a farmer than a scientist.Q2:What is his achievement?He grows what is called super hybrid rice,which makes it possible to produce one-third more of the crop in the same fields.True or False:1.Dr Yuan is more a farmer than a scientist.2.Dr Yuans kind of rice is the most suitable for Chinas farmland.FTPara 2His biographyTimeinformation19301953As a young manLast yearnowBorn in Beijing Southwest Agriculture College Hunger was a great problem Saw the great need for increasing the rice output 200 million tons produced Circulating his knowledgePara2a.He was born into a poor farmers family.b.He graduated from Southwest Agriculture college.c.In 1950,Chinese farmers produced fifty million tons of rice.d.2 billon 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 countries.Proper order:uPut Dr Yuans biography in right order.acbedfWhich of the following description about Dr Yuans personality is not true?A.He is satisfied with his life because he is now rich and famous.B.He cares little about money and fame.C.He would rather work than lead a comfortable life.D.He enjoys a simpler life than most rich and famous people.Para.3 Dr Yuans personalityPara 41.What does“Wishing for things,however,costs nothing.”mean?2.Dr Yuan has dreams not only when he is _ but also when he is_.Dreams are free and everybody can have ideas about what they would like their future life to be.asleepawakeHisdreamsPara41)The first dream2)The second dreamProduce a kind of rice that could feed more peopleAs huge as a peanutThe first dream As tall as sorghum As big as a cornTo export his rice so that it can be grown all over the worldRevision.(personal information)Name:Nationality:Age:Occupation:Education:Dream:Achievements:Hobbies:Personalinformation(Resume)Name:Nationality:Birth:Age:Occupation:Education:Personality:Dreams:YuanLongpingChinese in1930;inapoorfamily77ScientistoffarmingSouthwestAgricultureCollege,in1953HisfirstdreamHisseconddreamcare little about money and famePersonalinformationAchievements:Hobbies:growricethathasahighoutputcirculatehisknowledgeabroadgivemoneytoequipothersfortheirresearchplayinghisviolinlisteningtoviolinmusicplayingmah-jongswimmingridinghismotorcycletohisricefieldshard-workingunselfishdeterminedenergeticintelligentconfidentactivemodest&between Dr Yuan Longping and Jane Goodallsimilaritiesdifferences1.They spend their lifetime on their researches.2.They make great contributions to mankind and the whole world.3.They have their dreams and make great efforts to make them true.4.They both lead a busy life.5.They love their work with their pure love.6.Theyre selfless and seldom think of themselves.7.During the work,they never give up but just keep on,so theyre determined.1.They have been doing their researches in different fields.2.They have different ways of working.3.Their receiving education is different.4.The difficulty in working is different for different sexes.5.They two got different results of researches.6.They hold their different dreams.facts about Yuanfacts about Yuans super hybrid s super hybrid ricerice capacity(能力能力)Applica-tion(应用应用)Contribu-tionfuturecan produce 1/3 more of the crop in the same fields;more than 60%of therice in China from this hybrid strainbesides China,knowledge being circulated in India,Vietnam and otherless developed countries to increasetheir rice harvestrice harvests being produced twice aslarge;22%of people fed from just 7%of the farmland in China;the UN ridding the world of hungerthe rice being grown all over theworldT or F 1DrYuanismoreafarmerthanascientist.2DrYuansriceisoneofthemostsuitablewaysforChinasfarmland.3DrYuanwouldratherworkthanrelax.4DrYuanhasdreamswhenheisasleepandalsowhenheisawake.5DrYuanenjoysasimplerlifethanmostrichandfamouspeople.1.workvt.耕种耕种(土地土地);使工作使工作;开动开动;创造创造(奇迹奇迹);经营经营(工厂、农场等工厂、农场等)vi.工作工作;(机器等机器等)开动开动;(办法、计划等办法、计划等)行得通行得通worktheland=growcropsonit耕耘土地耕耘土地Heworksabigfarm.他经营着一个大的农场。他经营着一个大的农场。Theyareworkingthelandtogether.Idontthinkthatyoursuggestionwillwork.2.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.这种特殊的稻种使得同样的田地多收获这种特殊的稻种使得同样的田地多收获三分之一的产量。三分之一的产量。it在句中作形式宾语在句中作形式宾语,真正的宾语为真正的宾语为toproduce,结构为结构为:动词动词(make,feel,think,regard)+it+adj+todo.e.g.WethinkitimportanttolearnEnglishwell.3.Borninapoorfarmersfamilyin1931,Dr.YuangraduatefromSouthwestAgricultureCollegein1953.袁博士袁博士1931年出身于一个贫苦农民的家庭年出身于一个贫苦农民的家庭,1953年毕业于西南农学院年毕业于西南农学院。graduaten.毕业生毕业生undergraduate本科毕业生本科毕业生post-graduate硕士毕业生硕士毕业生,研究生研究生graduatevi.常跟介词常跟介词from,表示表示“毕业于毕业于”graduationn.毕业毕业e.g.Afterhisgraduationfromcollege,hewenttoworkasanengineerinacompany.=Afterhegraduatedfromcollege,hewenttoworkasanengineerinacompany.bachelorsdegree学士学位学士学位mastersdegree硕士学位硕士学位doctorsdegree博士学位博士学位4.Dr.Yuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaoffields.袁博士寻求一种在不扩大种植面积的情况下袁博士寻求一种在不扩大种植面积的情况下提高水稻产量的方法。提高水稻产量的方法。1)search强调搜查强调搜查,一般表示目标明确范围较小。一般表示目标明确范围较小。searchsb.搜身搜身;searchpl搜查某地搜查某地searchfor强调寻找强调寻找,一般表示范围较大。一般表示范围较大。searchforsb寻找某人寻找某人Thepolicesearchedthewoodsforthelostchild.Scientistsarestillsearchingforacuretothecommoncold.search/searchfor/insearchofTheofficerwentup_themurder.Thethievesare_thehiddentreasureinthemuseum.Birdsflytothesouth_thewintersunshine.to search searching for insearchof6.circulatev.循环循环,交流交流circulationn.e.g.Rumorscirculatedquickly.Thebloodcirculatesaroundthebody.7.Usinghishybridricefarmersareproducingharveststwiceaslargeasbefore.用他的杂交水稻种子用他的杂交水稻种子,农民们种出比以前多农民们种出比以前多一倍的粮食。一倍的粮食。倍数词倍数词(twice/half/threetimes/aquarteretc.)+as+形容词原级形容词原级+as表示表示“是是的多少倍的多少倍”。e.g.Thenumberofthestudentsinourschoolis_intheirschool.我们学校学生的数量是他们学校的两倍。我们学校学生的数量是他们学校的两倍。twice as large as that英语中的倍数表达法共有三种形式英语中的倍数表达法共有三种形式:(1)倍数倍数+形容词形容词/副词的比较级副词的比较级+than.(2)倍数倍数+as+形容词形容词/副词的原级副词的原级+as.(3)倍数倍数+the+名词名词+of.Thisbuildingisfivetimeshigherthanthatone.这座楼比那座楼高出五倍。这座楼比那座楼高出五倍。Thisbuildingisfivetimesashighasthatone.这座楼是那座楼的五倍高。这座楼是那座楼的五倍高。Thisbuildingisfivetimestheheightofthatone.这座楼是那座楼的五倍高。这座楼是那座楼的五倍高。Thenewbuildingisfourtimesthesizeoftheoldone.ItisreportedthattheUnitedStatesuses_energyasthewholeofEurope.A.astwiceB.twicemuchC.twicemuchasD.twiceasmuchD 8.Indeed,hebelievesthatapersonwithtoomuchmoneyhasmore,ratherthanfewertroubles.1)toomuch与与muchtoo的区别的区别toomuch通常位于动词之后通常位于动词之后,修饰动词修饰动词,too做做much的状语的状语,后面也可接名词。后面也可接名词。Shedoestalktoomuch,doesntshe?Hehastoomuchworktodo.而而muchtoo则常用在形容词或副词之前修饰则常用在形容词或副词之前修饰形容词或副词。形容词或副词。Thedressismuchtoolongforme.这衣服我穿太长了。这衣服我穿太长了。Igotintothetaxianddrovemuchtoofast.我上了出租车我上了出租车,并开得飞快。并开得飞快。2)ratherthan而不是而不是Mary,ratherthanherroommates,isgoingtoBeijing.要去北京的是玛丽要去北京的是玛丽,而不是她的室友们。而不是她的室友们。注意注意:ratherthan连接两个名词或代连接两个名词或代词作主语时词作主语时,谓语动词应与谓语动词应与ratherthan前面的名词或代词在人称和前面的名词或代词在人称和数上保持一致。数上保持一致。Sheranratherthanwalked.她跑着而不是走着。她跑着而不是走着。Heisastudentratherthanaworker.他是学生他是学生,不是工人。不是工人。Theylostsomebooksratherthanmoney.他们丢了一些书他们丢了一些书,而不是钱。而不是钱。Idecidedtowriteratherthan(to)telephone.我决定写信而不打电话。我决定写信而不打电话。DiscussionWhat is happening to these people?HungerEvenifDr.Yuansdreamscometrue,canthisreallysolvestarvation?If you had the chance to do something to help end hunger in the world,what would you do?Howtosolvehunger?making good use of the waste land developing the technology to inventing a new kind of foodimproving the quality of the soil preventing the pests from eating our cropsHomework:finish the exercise