高中一年級英語必修4unit2課件

易倩石泉中學(xué)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(威脅),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(應(yīng)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,…盡管是中國最著名的科學(xué)家之一,但袁隆平卻把自己看成一個農(nóng)民,…although相當(dāng)于though,引導(dǎo)讓步狀語從句,不與but連用,但可以和yet,still連用.例如:AlthoughIhurried,yetIwaslateagain.

盡管我匆匆忙忙,然而我再一次遲到了.3/7/2024Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.這種特殊的稻種使得同樣的田地多收獲三分之一的常量.make多用越”make+賓語+賓語補足語”結(jié)構(gòu):(1)makesb/oneself+過去分詞.例如:Hecan’tmakehimselfheardatthemeeting.在會上別人聽不到他的聲音.(2)makesb+不帶to的不定式(被動機構(gòu)加to).例如:Whatmakesyouthinkso?是什么使你這樣想?Hewasmadetoworkatonce.他被迫立刻工作.(3)make+sb/sth+形容詞.例如:Hiscomingtomymypartymademehappy.他能來參加晚會使我很快樂.(4)make+sb/sth+n.(賓語補足語如表示某人的職位,頭銜,在一定范圍之內(nèi)的獨一無二,其前不加冠詞).例如:MaxmadeLondonthebaseofhisrevolutionarywork.馬克思使路倫敦成為革命工作的根據(jù)地.Weallmadehimmonitor.我們都選他當(dāng)班長.3/7/2024Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.(1)morethan意為”多于…;超過…”,相當(dāng)于over.例如:Wehavemorethan100teachersinourschool.我們學(xué)校有100多名老師.(2)morethan意為”不僅僅是,不只是”,相當(dāng)于notonly.例如:Hibernationismorethansleep.如今,中國每年生產(chǎn)的稻米有60%以上出自這種雜交水稻.3/7/2024Asayoungman,hesawthegreatneedforincreasingthericeoutput.年輕時,他就看到了稻田增產(chǎn)的巨大需求.as的用法:(1)as作介詞,意為”如;像;作為……;以……資格”.例如;Whatdoes“quake”mean,asintheword“earthquake”?像earthquake中的quake是什么意思?(2)as作連詞,意為”當(dāng)……時候”,引導(dǎo)時間狀語叢句,多表示主,從句謂語動詞的的動作同時發(fā)生,與while相近.例如:Asshesang,tearscamedownhercheeks.她一邊唱歌,一邊流淚.(3)as引導(dǎo)原因狀語從句時,相當(dāng)于because,since,意為”因為,由于”.例如:Asheisaqualifieddoctor,Itrusthisadviceonmedicalmatters.因為他是一位合格的醫(yī)生,所以在醫(yī)療問題上我相信他的建議.(4)as引導(dǎo)方式狀語從句或比較狀語從句,意為”如,像”.例如:Shestayedinbedasthedoctorhadordered.她依照醫(yī)生的囑咐臥床休息.(5)as引導(dǎo)讓步狀語從句,意為”盡管”.例如:YoungasIam,IknowwhatcareerIwanttofollow.盡管我很年輕,但我知道我想從事什么職業(yè)3/7/2024DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.袁博士在不增加土地面積的根底上尋求到達增收的途徑.search,searchfor,lookfor的用法區(qū)別(1)search為及物動詞,其賓語可以是人，房屋,衣袋,山,森林等名詞,意為”搜索或者搜索某地”.例如:Thepolicemansearchedthethief’sroom,butfoundnothing.警察搜了小偷的房間,但什么都沒找到.(2)searchfor意為”搜索,搜索某人或某物”,而search…for…意為”搜尋某處/某物以找到…..”.例如:Thepolicemansearchedthethiefforawallet.警察搜小偷的身來尋找一個錢包.(3)lookfor意為”尋找”,是常用語.例如:Heislookingforhispeneverywhere.他在到處找他的鋼筆.3/7/2024Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.用他的雜交水稻種子,農(nóng)民們種出比以前多一倍的糧食.在表示三倍或三倍以上的倍數(shù)時,我們通常常用time一詞.用time表示倍數(shù)有以下幾種句型:主語+謂語+…times+as+形容詞+(n.)+as+被比較的內(nèi)容.例如:Wegotfourtimesasmanypeopleaswehadexpected.來的人數(shù)是我們所預(yù)料的四倍.這種句型常用來表示A是B的多少倍主語+謂語+…times+形容詞的比較級+than+被比較的內(nèi)容.例如:Mybooksarethreetimesmorethanyours.我的書比你的書多三倍.這種句型常用來表示A比B多多少倍.主語+謂語+by+…times.例如:Comparedwiththatoflastyear,ourcoaloutputhas