高中一年级英语必修4unit2课件

易倩石泉中学Book4Unit2Workingtheland3/7/2024Warmingup&Reading3/7/2024Poem

ByLiShenFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.3/7/20243/7/20241.Haveyouevergrownanyplants?Ifso,whatdidyoudotogrowthem?Ifnot,whatkindofplantwouldyouliketogrow?Howwillyougrowit?3/7/2024sorghumwheatricecornPotatoes3/7/2024selecttheweedsfarmingstepsploughthesoilturnoverthesoilsowtheseedsremovetheweedsfertilize3/7/2024Rice.Itissaidthatthereare2.4billionpeopletoeatriceeverydaythroughouttheworld.

WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?3/7/2024Iftherewasnoriceoneday,whatwouldhappen?3/7/2024Inthelate1990s,Brown,anAmericanscholar,cameupwith

thetheoryofChineseMenace(威胁),whichsaidthatinthe2030s,Chinesepopulationwilladdupto1.6billion,andhadthequestionwhowouldfeedthelargepopulationinChinaaswellasintheworld.3/7/2024Justatthattime,aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvethesameproblemintheworld.3/7/2024FatherofHybridRiceAPioneerForAllPeople3/7/2024WhatkindofpersonisDrYuanLongpinginyourmind?happysadnervousshyprouddreaming3/7/2024Task1Skimming3/7/2024Howcanhesolvethisproblem?SuperHybridRice3/7/2024SuperHybridRicethericethathasahighoutput3/7/2024That’showheregardshimself.3/7/2024Task2ScanningFindoutthemainideaofeachparagraph.3/7/2024

Para1A.DrYuan’sdreams.Para2B.DrYuan’spersonality.Para3C.DrYuan’sbiography.Para4D.DrYuan’sappearanceandhisachievement.APIONEERFORALLPEOPLEMatchthefollowingheadingswiththerightparagraphs.3/7/2024Para.1DrYuan’sappearanceandhis

achievementTask3CarefulreadingQ1:WhatdoesDrYuanlooklike?Hehasasunburntfaceandarmsandaslim,strongbody.Heismorelikeafarmerthanascientist.Q2:Whatishisachievement?Hegrowswhatiscalledsuperhybridrice,whichmakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.TrueorFalse:1.DrYuanismoreafarmerthanascientist.2.DrYuan’skindofriceisthemostsuitableforChina’sfarmland.FT3/7/2024Para2HisbiographyTimeinformation19301953AsayoungmanLastyearnowBorninBeijingSouthwestAgricultureCollegeHungerwasagreatproblemSawthegreatneedforincreasingthericeoutput200milliontonsproducedCirculatinghisknowledge3/7/2024Para2a.He

was

bornintoapoorfarmer’sfamily.b.HegraduatedfromSouthwestAgriculturecollege.c.In1950,Chinesefarmersproducedfiftymilliontonsofrice.d.2billontonsofricewasproducedbygrowing

hishybridrice.

e.Hesearchedawaytoincreasericeoutputs

withoutexpandingtheareaoffields.f.Hehelps

ridtheworld

ofhungerbycirculating

hisknowledgeinlessdevelopedcountries.Properorder:

PutDrYuan’sbiographyinrightorder.acbedf3/7/2024WhichofthefollowingdescriptionaboutDrYuan’spersonalityisnottrue?He

issatisfiedwithhislifebecauseheisnowrichandfamous.B.Hecareslittleaboutmoneyandfame.C.Hewouldratherworkthanleada

comfortablelife.D.Heenjoysasimplerlifethanmostrich

andfamouspeople.Para.3DrYuan’spersonality3/7/2024Para41.Whatdoes“Wishingforthings,however,costsnothing.”mean?2.DrYuanhasdreamsnotonlywhenheis_____butalsowhenheis______.Dreamsarefreeandeverybodycanhaveideasaboutwhattheywouldliketheirfuturelifetobe.asleepawake3/7/2024HisdreamsPara41)Thefirstdream2)Theseconddream3/7/2024Produceakindofricethatcouldfeedmorepeople

AshugeasapeanutThefirstdream

Astallassorghum

Asbigasacorn

3/7/2024

ToexporthisricesothatitcanbegrownallovertheworldTheseconddream3/7/2024Revision.(personalinformation)Name:Nationality:Age:Occupation:Education:Dream:Achievements:Hobbies:3/7/2024Personalinformation(Resume)Name:Nationality:Birth:Age:Occupation:Education:Personality:Dreams:YuanLongpingChinese

in1930;inapoorfamily77ScientistoffarmingSouthwestAgricultureCollege,in1953HisfirstdreamHisseconddreamcarelittleaboutmoneyandfame3/7/2024PersonalinformationAchievements:Hobbies:growricethathasahighoutputcirculatehisknowledgeabroadgivemoneytoequipothersfortheirresearch

playinghisviolinlisteningtoviolinmusicplayingmah-jongswimmingridinghismotorcycletohisricefields3/7/2024hard-workingunselfishdeterminedenergeticintelligentconfidentactivemodest3/7/2024&between

DrYuanLongpingandJaneGoodallsimilaritiesdifferences3/7/20241.Theyspendtheirlifetimeontheirresearches.similarities2.Theymakegreatcontributionstomankindandthewholeworld.3.Theyhavetheirdreamsandmakegreateffortstomakethemtrue.4.Theybothleadabusylife.5.Theylovetheirworkwiththeirpurelove.6.They’reselflessandseldomthinkofthemselves.7.Duringthework,theynevergiveupbutjustkeepon,sothey’redetermined....3/7/2024differencesTheyhavebeendoingtheirresearchesindifferentfields.2.Theyhavedifferentwaysofworking.3.Their

receiving

educationisdifferent.4.Thedifficultyinworkingisdifferentfordifferentsexes.5.Theytwogotdifferentresultsofresearches.6.Theyholdtheirdifferentdreams....3/7/20241.Theyspendtheirlifetimeontheirresearches.similarities2.Theymakegreatcontributionstomankindandthewholeworld.3.Theyhavetheirdreamsandmakegreateffortstomakethemtrue.4.Theybothleadabusylife.5.Theylovetheirworkwiththeirpurelove.6.They’reselflessandseldomthinkofthemselves.7.Duringthework,theynevergiveupbutjustkeepon,sothey’redetermined....3/7/2024differencesTheyhavebeendoingtheirresearchesindifferentfields.2.Theyhavedifferentwaysofworking.3.Their

receiving

educationisdifferent.4.Thedifficultyinworkingisdifferentfordifferentsexes.5.Theytwogotdifferentresultsofresearches.6.Theyholdtheirdifferentdreams....3/7/2024factsaboutYuan’ssuperhybridrice

capacity(能力)Applica-tion(应用)Contribu-tionfuturecanproduce1/3moreofthecropinthesamefields;morethan60%ofthericeinChinafromthishybridstrainbesidesChina,knowledgebeingcirculatedinIndia,Vietnamandotherlessdevelopedcountriestoincreasetheirriceharvestriceharvestsbeingproducedtwiceaslarge;22%ofpeoplefedfromjust7%ofthefarmlandinChina;theUNriddingtheworldofhungerthericebeinggrownallovertheworld3/7/2024TorF

1DrYuanismoreafarmerthanascientist.2DrYuan’sriceisoneofthemostsuitablewaysforChina’sfarmland.3DrYuanwouldratherworkthanrelax.4DrYuanhasdreamswhenheisasleepandalsowhenheisawake.5DrYuanenjoysasimplerlifethanmostrichandfamouspeople.3/7/2024AlthoughheisoneofChina’smostfamousscientists,YuanLongpingconsidershimselfafarmer,…尽管是中国最著名的科学家之一,但袁隆平却把自己看成一个农民,…although相当于though,引导让步状语从句,不与but连用,但可以和yet,still连用.例如:AlthoughIhurried,yetIwaslateagain.

尽管我匆匆忙忙,然而我再一次迟到了.3/7/2024Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.这种特殊的稻种使得同样的田地多收获三分之一的常量.make多用越”make+宾语+宾语补足语”结构:(1)makesb/oneself+过去分词.例如:Hecan’tmakehimselfheardatthemeeting.在会上别人听不到他的声音.(2)makesb+不带to的不定式(被动机构加to).例如:Whatmakesyouthinkso?是什么使你这样想?Hewasmadetoworkatonce.他被迫立刻工作.(3)make+sb/sth+形容词.例如:Hiscomingtomymypartymademehappy.他能来参加晚会使我很快乐.(4)make+sb/sth+n.(宾语补足语如表示某人的职位,头衔,在一定范围之内的独一无二,其前不加冠词).例如:MaxmadeLondonthebaseofhisrevolutionarywork.马克思使路伦敦成为革命工作的根据地.Weallmadehimmonitor.我们都选他当班长.3/7/2024Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.(1)morethan意为”多于…;超过…”,相当于over.例如:Wehavemorethan100teachersinourschool.我们学校有100多名老师.(2)morethan意为”不仅仅是,不只是”,相当于notonly.例如:Hibernationismorethansleep.如今,中国每年生产的稻米有60%以上出自这种杂交水稻.3/7/2024Asayoungman,hesawthegreatneedforincreasingthericeoutput.年轻时,他就看到了稻田增产的巨大需求.as的用法:(1)as作介词,意为”如;像;作为……;以……资格”.例如;Whatdoes“quake”mean,asintheword“earthquake”?像earthquake中的quake是什么意思?(2)as作连词,意为”当……时候”,引导时间状语丛句,多表示主,从句谓语动词的的动作同时发生,与while相近.例如:Asshesang,tearscamedownhercheeks.她一边唱歌,一边流泪.(3)as引导原因状语从句时,相当于because,since,意为”因为,由于”.例如:Asheisaqualifieddoctor,Itrusthisadviceonmedicalmatters.因为他是一位合格的医生,所以在医疗问题上我相信他的建议.(4)as引导方式状语从句或比较状语从句,意为”如,像”.例如:Shestayedinbedasthedoctorhadordered.她依照医生的嘱咐卧床休息.(5)as引导让步状语从句,意为”尽管”.例如:YoungasIam,IknowwhatcareerIwanttofollow.尽管我很年轻,但我知道我想从事什么职业3/7/2024DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.袁博士在不增加土地面积的根底上寻求到达增收的途径.search,searchfor,lookfor的用法区别(1)search为及物动词,其宾语可以是人，房屋,衣袋,山,森林等名词,意为”搜索或者搜索某地”.例如:Thepolicemansearchedthethief’sroom,butfoundnothing.警察搜了小偷的房间,但什么都没找到.(2)searchfor意为”搜索,搜索某人或某物”,而search…for…意为”搜寻某处/某物以找到…..”.例如:Thepolicemansearchedthethiefforawallet.警察搜小偷的身来寻找一个钱包.(3)lookfor意为”寻找”,是常用语.例如:Heislookingforhispeneverywhere.他在到处找他的钢笔.3/7/2024Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.用他的杂交水稻种子,农民们种出比以前多一倍的粮食.在表示三倍或三倍以上的倍数时,我们通常常用time一词.用time表示倍数有以下几种句型:主语+谓语+…times+as+形容词+(n.)+as+被比较的内容.例如:Wegotfourtimesasmanypeopleaswehadexpected.来的人数是我们所预料的四倍.这种句型常用来表示A是B的多少倍主语+谓语+…times+形容词的比较级+than+被比较的内容.例如:Mybooksarethreetimesmorethanyours.我的书比你的书多三倍.这种句型常用来表示A比B多多少倍.主语+谓语+by+…times.例如:Comparedwiththatoflastyear,ourcoaloutputhas