高中一年级英语必修4unit2ppt课件.ppt

28 03 2020 Workingtheland 28 03 2020 Warmingup Reading 28 03 2020 PoemByLiShen Farmersweedingatnoon Sweatdownthefieldsoon Whoknowsfoodonatray Duetotheirtoilingday 28 03 2020 28 03 2020 1 Haveyouevergrownanyplants Ifso whatdidyoudotogrowthem Ifnot whatkindofplantwouldyouliketogrow Howwillyougrowit 28 03 2020 sorghum wheat rice corn Potatoes 28 03 2020 selecttheweeds farmingstepsploughthesoil turnoverthesoil sowtheseeds removetheweeds fertilize 28 03 2020 Rice Itissaidthatthereare2 4billionpeopletoeatriceeverydaythroughouttheworld WhatisthemainfoodinallEastAsianandSoutheastAsiancountries 28 03 2020 Iftherewasnoriceoneday whatwouldhappen 28 03 2020 Inthelate1990s Brown anAmericanscholar cameupwiththetheoryofChineseMenace 威胁 whichsaidthatinthe2030s Chinesepopulationwilladdupto1 6billion andhadthequestionwhowouldfeedthelargepopulationinChinaaswellasintheworld 28 03 2020 Justatthattime aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvethesameproblemintheworld 28 03 2020 FatherofHybridRice APioneerForAllPeople 28 03 2020 WhatkindofpersonisDrYuanLongpinginyourmind happy sad nervous shy proud dreaming 28 03 2020 Task1Skimming 28 03 2020 Howcanhesolvethisproblem SuperHybridRice 28 03 2020 SuperHybridRice thericethathasahighoutput 28 03 2020 That showheregardshimself 28 03 2020 Task2Scanning Findoutthemainideaofeachparagraph 28 03 2020 APIONEERFORALLPEOPLE Matchthefollowingheadingswiththerightparagraphs 28 03 2020 Para 1DrYuan sappearanceandhisachievement Task3Carefulreading Q1 WhatdoesDrYuanlooklike Hehasasunburntfaceandarmsandaslim strongbody Heismorelikeafarmerthanascientist Q2 Whatishisachievement Hegrowswhatiscalledsuperhybridrice whichmakesitpossibletoproduceone thirdmoreofthecropinthesamefields TrueorFalse 1 DrYuanismoreafarmerthanascientist 2 DrYuan skindofriceisthemostsuitableforChina sfarmland F T 28 03 2020 Para2 Hisbiography BorninBeijing SouthwestAgricultureCollege HungerwasagreatproblemSawthegreatneedforincreasingthericeoutput 200milliontonsproduced Circulatinghisknowledge 28 03 2020 Para2 a Hewasbornintoapoorfarmer sfamily b HegraduatedfromSouthwestAgriculturecollege c In1950 Chinesefarmersproducedfiftymilliontonsofrice d 2billontonsofricewasproducedbygrowinghishybridrice e Hesearchedawaytoincreasericeoutputswithoutexpandingtheareaoffields f Hehelpsridtheworldofhungerbycirculatinghisknowledgeinlessdevelopedcountries Properorder PutDrYuan sbiographyinrightorder a c b e d f 28 03 2020 WhichofthefollowingdescriptionaboutDrYuan spersonalityisnottrue Heissatisfiedwithhislifebecauseheisnowrichandfamous B Hecareslittleaboutmoneyandfame C Hewouldratherworkthanleadacomfortablelife D Heenjoysasimplerlifethanmostrichandfamouspeople Para 3DrYuan spersonality 28 03 2020 Para4 1 Whatdoes Wishingforthings however costsnothing mean 2 DrYuanhasdreamsnotonlywhenheis butalsowhenheis Dreamsarefreeandeverybodycanhaveideasaboutwhattheywouldliketheirfuturelifetobe asleep awake 28 03 2020 Hisdreams Para4 1 Thefirstdream 2 Theseconddream 28 03 2020 Produceakindofricethatcouldfeedmorepeople Ashugeasapeanut Thefirstdream Astallassorghum Asbigasacorn 28 03 2020 Toexporthisricesothatitcanbegrownallovertheworld Theseconddream 28 03 2020 Revision personalinformation Name Nationality Age Occupation Education Dream Achievements Hobbies 28 03 2020 Personalinformation Resume Name Nationality Birth Age Occupation Education Personality Dreams YuanLongping Chinese in1930 inapoorfamily 77 Scientistoffarming SouthwestAgricultureCollege in1953 Hisfirstdream Hisseconddream carelittleaboutmoneyandfame 28 03 2020 Personalinformation Achievements Hobbies growricethathasahighoutput circulatehisknowledgeabroad givemoneytoequipothersfortheirresearch playinghisviolin listeningtoviolinmusic playingmah jong swimming ridinghismotorcycletohisricefields 28 03 2020 hard working unselfish determined energetic intelligent confident active modest 28 03 2020 betweenDrYuanLongpingandJaneGoodall similarities differences 28 03 2020 1 Theyspendtheirlifetimeontheirresearches similarities 2 Theymakegreatcontributionstomankindandthewholeworld 3 Theyhavetheirdreamsandmakegreateffortstomakethemtrue 4 Theybothleadabusylife 5 Theylovetheirworkwiththeirpurelove 6 They reselflessandseldomthinkofthemselves 7 Duringthework theynevergiveupbutjustkeepon sothey redetermined 28 03 2020 differences Theyhavebeendoingtheirresearchesindifferentfields 2 Theyhavedifferentwaysofworking 3 Theirreceivingeducationisdifferent 4 Thedifficultyinworkingisdifferentfordifferentsexes 5 Theytwogotdifferentresultsofresearches 6 Theyholdtheirdifferentdreams 28 03 2020 1 Theyspendtheirlifetimeontheirresearches similarities 2 Theymakegreatcontributionstomankindandthewholeworld 3 Theyhavetheirdreamsandmakegreateffortstomakethemtrue 4 Theybothleadabusylife 5 Theylovetheirworkwiththeirpurelove 6 They reselflessandseldomthinkofthemselves 7 Duringthework theynevergiveupbutjustkeepon sothey redetermined 28 03 2020 differences Theyhavebeendoingtheirresearchesindifferentfields 2 Theyhavedifferentwaysofworking 3 Theirreceivingeducationisdifferent 4 Thedifficultyinworkingisdifferentfordifferentsexes 5 Theytwogotdifferentresultsofresearches 6 Theyholdtheirdifferentdreams 28 03 2020 canproduce1 3moreofthecropinthesamefields morethan60 ofthericeinChinafromthishybridstrain besidesChina knowledgebeingcirculatedinIndia Vietnamandotherlessdevelopedcountriestoincreasetheirriceharvest riceharvestsbeingproducedtwiceaslarge 22 ofpeoplefedfromjust7 ofthefarmlandinChina theUNriddingtheworldofhunger thericebeinggrownallovertheworld 28 03 2020 TorF 1DrYuanismoreafarmerthanascientist 2DrYuan sriceisoneofthemostsuitablewaysforChina sfarmland 3DrYuanwouldratherworkthanrelax 4DrYuanhasdreamswhenheisasleepandalsowhenheisawake 5DrYuanenjoysasimplerlifethanmostrichandfamouspeople 28 03 2020 AlthoughheisoneofChina 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 28 03 2020 Thisspecialstrainofricemakesitpossibletoproduceone 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高兴 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 28 03 2020 Nowmorethan60 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 28 03 2020 Asayoungman 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 28 03 2020 DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields 袁博士在不增加土地面积的基础上寻求达到增收的途径 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 28 03 2020 Usinghishybridrice 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 ourcoaloutputhasincreasedbythreetimes 与去年相比 我们的煤常量长了三倍 这种句型常用来表示增长的程度 28 03 2020 主语 谓语 times thesize amou