Unit2 Warming up & Reading课件 人教版高中英语必修四.pptx

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1、Unit 2Working the landWarming up&ReadingBy Li ShenFarmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.DoyouknowtheChinesepoem?PoemDo you know these grains(谷物)?wheat/wit/millet/mlt/soybean/sbin/corn/kn/ricesorghum/sm/peanut/pint/cotton /ren/Haveyoueverw

2、orkedinthefield?Doyouknowhowthefoodweeatisplanted?Usericeasanexample.describethestepswiththehelpofthepicture.First,thefarmersploughthefield.Theyhavetomakethesoillooseenoughtoplantcrops./pla/Second,thefarmersputseedsinthesoil.Third,theygrowsomeyoungplants.Fourth,theyinserttheyoungplantsintothefield./

3、nst/Fifth,theyirrigate(灌溉灌溉)thefieldwhenitisdry./ret/Sixth,theyharvestthegrainsfromthefield.Seventh,theywinnowtogetgrainseparatedfromtheplants./wn/riceReadthestatisticsbelow.Whatproblemdotheyshow?Manypeoplestarveforlackoffoodeventodaybecauseoftheunbalancedworldeconomy.AccordingtotheWorldHealthOrgani

4、zation:Theworldproducesenoughfoodforeveryone.Morethan800millionpeoplegotobedhungryeveryday.Iftomorrowtherewassuddenlynoricetoeat,whatwouldhappen?Letsgettoknowtheworldhunger.Todayourworldhousesmorethan6.5billionpeople.Worldwide,morethan1billionpeoplecurrentlylivebelowtheinternationalpovertyline,earni

5、nglessthan$1perday.854millionpeopleacrosstheworldaresufferingfromhunger,upfrom852millionayearago.TheonlywayTheonlywaytosolvethefoodshortageproblemtosolvethefoodshortageproblemistoistoincreasetheyieldofthegraincropperlandareaincreasetheyieldofthegraincropperlandareathroughtheadvancementofscienceandte

6、chnology.throughtheadvancementofscienceandtechnology./jild/Justatthattime,aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvethesameproblemintheworld.Guesswhoheis.FatherofHybridRice/habrd/Heisfatherofhybridrice,whowasawarded“theNobelPrizeofAsia”.Hereceivedthehonorfo

7、rhisgreatcontributionstohybridriceresearchandworkhedidtoimprovericeproductionindevelopingcountries.Heiscalledapioneerforallpeople.DrYuanLongping(袁隆平博士袁隆平博士)thericethathasahighoutputSuperHybridRiceThe text is about _ who made agreatcontributiontoproducingbetter_.Yuan Longpingrice Findoutthemainideaof

8、thispassage.Apinoeer forallpeoplePara1A.DrYuansdreams.Para2B.DrYuanspersonality.Para3C.DrYuansbiography.Para4D.DrYuansappearanceandhisachievement.Findoutthemainideaofthispassage.Apinoeer forallpeople/barfi/psnlti/Although he is one of Chinas most famous scientists,Yuan Longping considers himself a f

9、armer,for he works the land to do his research.Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggledfor the past five decades.Yuan Longping grows what is called super hybrid rice.Para.1Para.1/snbnt/adj.晒黑的超级杂交水稻DrYuans

10、appearanceandhisachievement./habrd/struggle.n.&vi.斗争；拼搏；努力Para.1Para.1struggle against/with sb./sth.同作斗争；与抗争struggle for sth.为而斗争struggle on 挣扎着坚持下去struggle to do sth.努力去做某事；挣扎着做某事struggle to ones feet 挣扎着站起来He has been struggling for success in his business.为了事业的成功，他一直努力奋斗着。A strong man will strugg

11、le _ the storm of fate.强者乐于搏击命运的暴风雨。She is struggling _(bring)up a family on a very low income.她靠着非常微薄的收入艰难地供养一家人。The young man struggled _ his feet to fight against the robber.那位年轻人努力挣扎着站起来同抢劫犯作斗争。withto bringtoIn 1973,he became the first agricultural pioneer in the world togrow rice that has a hig

12、h output.This special strain of rice makes it possible to produce 20%more of the crop in the same fields.Now more than 60%of the rice produced in China each year is from this hybrid strain.Para.1Para.1/stren/n.（植物、动物的）品种；种类DrYuansappearanceandhisachievement.动词不定式作定语动词不定式作定语/krp/n.庄稼；农作物,产量make/find/

13、think/feel+it+宾语补足语+动词不定式（短语）句式中，此结构中，it作形式宾语，动词不定式（短语）则是真正的宾语。“动词+it+宾补+真正的宾语”中的6123结构6 指常用的动词：think，believe，make，find，consider，feel；1 指形式宾语it；2 指宾补的两种形式：形容词和名词；3 指真正的宾语的三种形式：不定式、动名词、宾语从句。Para.1Para.1makeitpossibletodosth7I _ you should behave yourself at the party.我明确向你表示过，在聚会上你应该举止得体madeitclearto

14、youthatDo you _a few words at the meeting?你认为有必要在会上讲几句话吗？I _him to give up smoking 我发现建议他戒烟是没有用处的。I must make it clear _Ill always support you 我必须说清楚我会一直支持你。4.I _to finish the work in such a short time.我认为短时间内完成这项工作是很困难的。5.We all _that the conference had been cancelled.会议取消了，我们都认为很遗憾。PracticePractic

15、efind it no use advising think it necessary to say that felt it difficult thought it a pity Born in 1930,Yuan Longping graduated from Southwest Agricultural College in 1953.Since then,finding ways to grow more rice has been his life goal.As a young man,he saw the great need for increasing the rice o

16、utput.At that time,hunger was a disturbingproblem in many parts of the countryside.Yuan Longping searched for a way to increase rice harvests without expandingthe area of the fields.In 1950,Chinese farmers could produce about fiftysix million tons of rice.Para.2Para.2 DrYuansbiography./dstb/kspnd/ba

17、rfi/hunger nU 饥饿；欲望 vt.&vi.渴求；渴望得到；(使)饥饿(1)die of hunger死于饥饿 have a hunger for/after sth.hunger for/after sth.hunger to do sth.渴望做某事(2)hungry adj.饥饿的；渴望的In some parts of Africa,thereare still some children dyingofhunger.在非洲的某些地区，仍有一些儿童死于饥饿。He hungered _(get)that post.他渴望得到那个岗位。Most actors have a hun

18、ger _ success.绝大多数演员都渴望成功。名师点津表达“渴望”之意的短语还有：haveadesire/thirstfor,haveanappetitefor,bethirsty/eagerfor,longfor,beanxiousfor等。to getfor/after渴望得到某物/ptat/disturbing adj.引起烦恼的；令人不安的引起烦恼的；令人不安的disturb vt.打扰；弄乱；使不安disturbed adj.心神不宁的disturbance n.打扰The news that I failed this time is quite disturbing.我这次

19、失败的消息让人十分烦恼。If you get up early,please dont _.如果你起床早，请不要打扰你的父亲。He felt _(disturb)when he heard his mother was ill.当他听说他母亲病了的时候，他感到心神不安。语境串记They were all disturbed by the disturbing news,that is,the news disturbed all of them.disturb your fatherdisturbed/dstbns/expand vt.&vi.使变大；伸展使变大；伸展(1)expand.int

20、o.把扩展/发展成 expand into.发展成/扩大成 expand on sth.细说(阐述)某事(2)expansion n.扩大；扩张；扩展The narrow path in the village expanded _ a wide road.村里的狭窄小路拓宽成了一条大道。The writer expanded his short novel _a long one.那位作者把他的短篇小说扩展成了长篇。He did not expand greatly _ his statement.他未就他的声明多加解释。The book is an _(expand)of a series

21、 of lectures given last year.这本书是去年举行的系列讲座的扩充。名师点津注意expand和extend的区别。expand指向四面八方的扩大，扩张，extend指向某一方向的延伸。intointoonexpansion/kspnn/In a recent harvest,however,nearly two hundred million tons of rice was produced.These increased harvests mean that 22%of the worlds people are fed from just 7%of the far

22、mland in the world.Yuan Longping is now circulating his knowledge in India,Vietnam and many other less developed countries to increase their rice harvests.Thanksto his research,the UN has more tools in the battleto ridthe world ofhunger.Using his hybrid rice,farmers are producing harvests twiceaslar

23、geas before.Para.2Para.2 DrYuansbiography./risnt/skjlet/vjetnm/thanks to 幸亏；由于；因为幸亏；由于；因为 _your timely help,I managed to finish the work on time.多亏了你及时的帮助，我按时完成了工作。_the bad weather,the match has been cancelled.因为糟糕的天气，比赛被取消了。Thanks toThanks to名师点津表示表示“因为；由于因为；由于”的短语还有：的短语还有：owing to,due to,because o

24、f,as a result of,on account of 等。后可跟名词或动等。后可跟名词或动名词，但不可跟从句。名词，但不可跟从句。Owing to Owing to his carfeless driving,we had a bad accident.his carfeless driving,we had a bad accident.由于他驾驶粗心，我们发生了严重的车祸。由于他驾驶粗心，我们发生了严重的车祸。As a result of As a result of the flood,thousands of people lost their homes.the flood,

25、thousands of people lost their homes.因为洪水，成千上万的人失去了家园。因为洪水，成千上万的人失去了家园。be rid of 摆脱（状态）get rid of 摆脱、丢弃、扔掉 rid oneself of 摆脱、从.解脱I wanted to rid myself _the burden of the secret我想说出这个秘密，让自己得到解脱。Second,go outdoors and play team games with your friends as physical exercise is an effective way to _ange

26、r第二，到户外和朋友一起做做体育锻炼是一种有效的排解怒气的方式。He wanted to rid _ of the burden of the secret.他想把秘密说出来，让自己得到解脱。of get rid ofrid.of.使使.摆脱或除去摆脱或除去 himself(1)在rid.of.短语中，rid为动词，后跟sb.或somewhere作宾语，指“使某人摆脱”或“除掉某地的不好或有害之物”。(2)类似rid.of.结构的短语还有：rob sb.of sth.抢劫某人某物warn sb.of sth.警告某人某事remind sb.of sth.提醒某人某事inform sb.of s

27、th.通知某人某事cure sb.of sth.医好某人的病名师点津倍数的表达法：.倍数+as+adj./adv.原级+as.倍数+比较级+than.倍数+the+名词（size,length,width,height,weight.）+of.倍数+what从句Para.3Para.3倍数的表达句型This building is five times_ that one.这座楼是那座楼的五倍高。Peoples average income is almost five times _ they earned ten years ago.人们的平均收入几乎是十年前的五倍。The newlybr

28、oadened square is _ the previous one.新扩建的广场是未扩建时的四倍大。The number of the students in our school is _than theirs.我们学校学生的人数比他们学校学生人数多三倍。as high aswhat four times the size of three times largerYuan Longping is quite satisfiedwith his life.However，he doesnt care about being famous.He feels it gives him le

29、ss freedom to do his research.He wouldmuch ratherkeep time for his hobbies.He enjoys listening to violin music,playing mahjong,swimming and reading.Para.3Para.3 DrYuanspersonality./ma:d/be satisfied with 对对感到满意感到满意(1)be satisfied to do.对做感到满意(2)satisfaction n.满意；满足 to ones satisfaction 令某人满意的是(3)sat

30、isfy v.使满足；使满意 satisfy ones needs/demands 满足某人的需求(4)satisfying adj.令人满意的Im not very satisfied _ his interpretation of this sentence.我不太满意他对这个句子的解释。_,_they dealt with the matter soon.令她满意的是，他们很快就处理了此事。The old couple _in the countryside.这对老年夫妇乐意住在乡下。withTo her satisfactionare satisfied to live /ntprte

31、n/1Our foreign trade has _(扩大)during recent years.7This _(令人不安的)news really upset me so that I couldnt sleep well.9It is a _(困难)for me to rid myself of my fears.补全句子补全句子1We must try every way to _.我们要想尽一切办法让公司摆脱这些债务。2During childhood,he led a hard life and had _.在童年时代，他过着艰苦的生活，有着一些令他不安的经历。3_,their s

32、on made great achievements.令他们感到满意的是，他们的儿子取得了重大成就。4The village _.这个村庄发展成了一个城镇。5The couple_ and led a normal life.这对夫妇渴望得到尊重，过正常的生活。disturbing struggle rid our company of these debtssome disturbing experiencesTo their satisfaction expanded into a town hungered to be respected小题精做小题精做expandedwould rat

33、her宁愿；宁可 would rather(not)do.宁愿(不)做would rather do sth.than do sthwould do sth.rather than do sth.would rather have done 本来想做(而未实现)would rather从句 用过去时，表现在或将来（虚拟）用过去完成时，表示过去（虚拟）I would rather be laughed at than quarrel with him.I _cheat in the examination.我宁可考试不及格，也不愿意作弊。I would rather _(leave)a note

34、 on her desk.我要是留张便条在她书桌上就好了。Id rather(that)you _ him about it that day.我真希望你那天没告诉他那件事。would rather fail than have lefthadnt told prefer to do.rather than do.，表示“宁愿(而)不愿；与其倒不如”6_ take a bus,I _ there.与其坐公共汽车去，我还不如走着去那里。Rather thanwould walkSpending money on himself or leading a comfortable life also

35、 means very little to him.Indeed,he believes that a person with too much money has more rather than fewer troubles.He therefore gives millions of yuan to equipothers for their research in agriculture.Para.3Para.3 DrYuanspersonality.equipvt.&vi.配备；装备配备；装备(1)equip.with.用用装备装备 equip sb.for sth.使某人具备某物使

36、某人具备某物 be equipped to do sth.配有做配有做的装备的装备(或条件或条件)be equipped with sth.配有某物配有某物 be well/badly equipped 设备精良的设备精良的/较差的较差的Most parents want to equip their children with a good education.Every classroom in this modern school _ a new computer.这所现代化的学校里每个教室都配备一台新电脑。Its a modern,_(good)equipped hospital,an

37、d all its _(equip)is of high quality.这是一个现代的、装备精良的医院，所有的设备都具有较高的质量。8Your education will_.你所受的教育将使你能适应今后的生活。名师点津equipment为为不可数名词不可数名词，如：office equipment办公设备；sports equipment运动器材；a piece of equipment一件设备。is equipped withwellequipment(2)equipment n.装备；设备装备；设备(不可数名词不可数名词)equip you for your future lifeJu

38、st dreaming for things,however,costs nothing.Long ago Yuan Longping had a dream about rice plants as tall as sorghum.Each ear of rice was as big as an ear of corn and each grain of rice was as huge as a peanut.He awoke from his dream with the hope of producing a kind of ricethat could feed more peop

39、le.Now,many years later,Yuan Longping has another dream:to export his ricesothat it can be grown around the globe.One dream is not always enough,especially for a person who loves and cares for his people.Para.4Para.4 DrYuansdreams.补充补充if so if so 为省略句式，意为为省略句式，意为“如果是这样的话如果是这样的话”，if 用作连词，用作连词，so 用来代替

40、上用来代替上文内容，以避免重复。文内容，以避免重复。if not 为为 if so 的否定形式。的否定形式。Will you get a free evening next week?If so,lets have a dinner.下周你会有一个晚上的空吗？如果有，让我们一起吃顿饭吧。Is everybody feeling cold?_,lets open the window.大家感到冷吗？如果不，让我们把窗户打开吧。if not if necessary 如果有必要 if possible 如果可能的话if any 如果有的话if ever 如果曾经有的话(2)(2)其他类似的省略结构

41、：其他类似的省略结构：_,you can turn to me for help.必要的话，你可以向我求助。If necessaryPracticePractice.单句语法填空1He makes it a rule (take)part in some physical labor though he is old.2Are you right?If ,I will agree with you.3A great number of people are going and hundreds of children have died of .(hungry)4_(disturb)news

42、came that an unknown disease was spreading in the area.5The tree is four times _(tall)than that one.6George is going to talk about the geography of his country,but Id rather he _(focus)more on its culture.7Dina,_(struggle)for months to find a job as a waitress,finally took a position at a local adve

43、rtising agency.8The woman film star has expanded her career_other fields of entertainment.9Thanks _your inspiration,I am successful.10Having rid the company of the heavy debts,the manager smiled with _(satisfy)1His company _ a big one after ten years of hard work.2All cars must_parts to reduce emiss

44、ion.3The poor girl has been_cancer for two years.4The little boy _ progress in math which is poor compared to other subjects.expand into，thanks to，rid.of.，be satisfied with，would rather，equip.with，struggle with/against，have a hunger for.选词填空选词填空m()n 5Its not easy to _oneself _ a bad habit.6I _ not _

45、your work;you must improve it.7Nowadays many teenagers_ get advice fromstrangers online.8Weve collected$50,000 for the poor,_ the generosity of the public.expand into，thanks to，rid.of.，be satisfied with，would rather，equip.with，struggle with/against，have a hunger for.课文语法填空 Dr Yuan Longping,one of Ch

46、inas most famous scientists,has made great 1._ (achieve)in agriculture both at home and abroad.Born into a poor farmers family,Dr Yuan graduated from Southwest Agricultural College in 1953,when many parts of the countryside were short of food.To solve the problem,Dr Yuan struggled 2._(find)a new way

47、 to improve harvests without 3._(expand)the area of the fields.Through many years of hard work,Dr Yuan developed 4._ is called“super hybrid rice”in 1974.He became the first agricultural pioneer in the world 5._(grow)rice that has a high output.He has also circulated his knowledge to some other count

48、ries.Thanks 6._ his research,the UN 7._(have)more tools in the battle to rid the world of hunger.Dr Yuan is 8._(satisfy)with his life but he would like to have more time to do his research 9._(free).Famous as he is,Dr Yuan wants to lead a simple life and has a dream to export his rice so that it can 10._(grow)around the world.achievementstofindexpandingwhattogrowtohassatisfiedfreelybegrownthank you!thank you!