人教版高中英语必修4精品教案Unit2 Working the land.docx

人教版高中英语必修4精品教案Unit2 Working the land.docx

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人教版高中英语必修4精品教案Unit2Workingtheland

Unit2Workingtheland

VocabularyandUsefulExpressions

Step1.重点难点1.  Inmanyways,heisoneofthem,andhestruggledforthepastfivedecadestohelpthem.

Inaway;inoneway;insomeways在某种程度上

  2．However,hecareslittleaboutspendingthemoneyonhimselforleadingacomfortablelife.

    care  v.在乎,在意，喜欢，有兴趣

    spendsth.…on…在某方面花费

    spend…（in）doingsth.花费…做某事

  3．Wishingfornothing,however,costsnothing.

    wishingfornothing动名词短语做主语，谓语动词用单数。

however是插入语，表示语气的一种转折。

  4．Italsoreferstocropsgrowingwithnaturalratherthanchemicalfertilizers.

    referto与…有关，关系到某人、某事；提到，涉及；参考

  5．Instead,organicfarmersinsistonchangingcropseverytwoorthreeyears.

    insiston坚持要求；insist后面可以跟从句，其中谓语动词常用should+动词原形构成

  6．Dr.Yuanawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeesmorepeople.

    withthehopeof带着某种希望    

  7．Heusedtowalktohisfieldstwiceaday,butnowhepreferstoridehismotorcycle.

    usedto过去常常（现在已经不是如此）

    beusedtodoing意思是“习惯于”

  prefertodo（ratherthando）相比之下更喜欢做某事

  8．Butwhatevertheygrowtheymakesurethatwhatisleftinthegroundafterharvestingbecomesanaturalfertilizerforthenextyear’scrop.

whatever引导让步状语从句，表示“无论怎样”，相当于nomatterwhat.

Eg:

Whateveryoudo,don’tgiveup.

  Step2．功能句型  建议（Suggestion&advice）

Iwouldrather…      Idon’tlike…because…

I’dprefer…because…      It’sagreatpitythat…

Shouldwe/I…?

      It’sbetterto…

IfIhaveachoiceI’dchoose…because…    Youneedto…

MayIsuggest…?

    Letmesuggest…because…

Perhapsweshouldsuggest…because…    Butwhat/howabout…?

  Step3.重点单词及短语  单词

①hunger  n.饥饿，食欲；v.渴望得到某事物，某人

  hungerfor/aftersth./sb.

②struggle  vi.  stugglewithsb.与某人争斗，搏斗

  struggle（against/withsb./sth.）

  struggleagainst/withsb./sth.（forsth.）争斗，拼搏，奋斗，努力

③expand  vi.（使某事物）变大，增强，伸展，张开

  expandonsth.阐述或详述

  expansion  n.扩大，扩展，膨胀

④equip  vt.

  equipsb./sth.（withsth.）配备，装备

  equipment  n.设备，装备

⑤export  vt.输出；n.出口业，出口品

  import  vt.进口

⑥circulate  vi.vt.使某物循环，流通，传播；vt.发侧知告知某人

  circulation  n.循环，流传，传播

⑦confuse  vt.把某人弄糊涂，使为难，打乱

  confusion  n.混乱，混淆

⑧reduce  vt.缩减，减小，降低

  reduction  n.减少，缩小

⑨supply  vt.供给，供应，满足；n.供应，供给之物

⑩exchange  vt.交换，交易；n.交换，更换，互访，交流

  exhangesth.withsth.

    exchangeable  adj.可交换的，可退换的，可兑换的  

  短语

rid…of  清除，摆脱

besatisfiedwith=becontented感到满足，满意的

wouldratherdosth.宁可做某事

referto与…有关，关系到某人，某事，提到，参考

searchfor寻找，搜寻

thanksto多亏，由于

ratherthan而不，宁愿…而不

Unit2Workingtheland

WarmingUp,Pre-readingandReading

Period1Warmingupandpre-reading.

Step1Lead-in.

PoemByLiShen

Farmersweedingatnoon,Sweatdownthefieldsoon.

Whoknowsfoodonatray,Duetotheirtoilingday.

ThenletonestudentrecitethepoeminChinese.

Step2Warmingupbyquestioning

Hello,everyone.Weshallreadaboutmanwhoworksthelandtoday.Haveyouevergrownanyplants?

Ifnot,whatkindofplantwouldyouliketogrow?

Howwillyougrowit?

（Forreference:

Mr.Li,Iworkedwithmyfatherinthericefieldlastyear.Wegrowhybridriceanduseanimalwastestomakethesoilrich.）

Hasanyoneofyoueverbeentothecountryside?

Whatdidyoudothere?

（Forreference:

IwenttoChuankouthedaybeforeyesterday.Itisasmallmountainvillage75linorthofBeijing.Iwenttheretovisitmyuncle’sfamily.Ilikethatsmallbeautifulvillageverymuch.）

Whoarefromafarmer’sfamily?

Whatdoyouknowaboutfarming?

Step3Pre-readingandtalking

Questioningandanswering

RiceismainfoodinSouthChina.Whatdoyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?

（Forreference:

Thenthesouthpeoplewouldhavetochangetheireatinghabit.Theycouldturntopotatoes,wheatflour,cowandsheepcheese,cabbage,onionsandgarlicforfood.TheyarethebasesofthetraditionalfoodinNorthChina.）

Ifyouhadthechancetodoonethingtohelpendhungerintheworld,whatwouldyoudo?

（Forreference:

Iwouldtrytoendhungerbypopularizingtheadvancedfarmingtechniques.Moderntechniquescouldbeintroducedtoincreasethericeoutput,andexpandtheareaoffields.）

GivingbackgroundinformationaboutProfessorYuanLongping

HaveyoueverheardofamancalledProfessorYuanLongping?

Wouldanyoneofyoutelltheclasssomethingabouthim?

（Forreference:

ProfessorYuanLongpingisaChineseagriculturalscientist.ProfessorYuan'sbreakthroughscientificachievementledtotheworld'sfirstsuccessfulandwidelygrownhybridricevarieties,revolutionizingricecultivationinChinaandtriplingproductionoverageneration.HisapproachtoricebreedingthenspreadinternationallythroughoutAsiaandtoAfricaandtheAmericas,providingfoodfortensofmillionsandleadingtohisbecomingknownasthe"FatherofHybridRice."

Step4.Reading

Readingaloudtotherecording

Comprehension—understandingwhatyouarereading—isimportant.Toreadinthoughtgroupsisaneasy,yeteffective,wayofimprovingreadingcomprehension.Nowturntopage9andreadaloudtotherecordingofthetextAPIONEERFORALLPEOPLE.Payattentiontothethoughtgroupsinthesentenceswhilelisteningandreadingaloud.

Abriefintroduction:

YuanLongpingisknownasChina’s“fatherofhybridrice”.It’ssaidthatinChina,weeatdependingon“TwoPing”----DengXiaoping,whomadethepolicyofSystemofProductionResponsibility,&YuanLongping,whoinventedhybridrice.

YuanLongping,whowasborninSeptember,1930,graduatedfromAgricultureDepartmentinSouthwestAgriculturalInstitute.Hehasbeenworkingonagricultureeducation&theresearchintohybridricesincehelefttheinstitute.

Inthe1960s,whenChinawassufferingfromseriousfamine,hecameupwiththeideaofhybridrice,whichhasahighyield（oroutput）.Tenyearslater,hesucceededininventinganewspeciesthatproduceda20percenthigheryieldthancommontypesofrice.

Yuandevotedhimselftotheresearchintoagriculture,&washonoredbyUNESCO&FAO（联合国教科文组织）.Althoughheis74yearsold,heisstillworkingontheresearchintoagriculture.

Period2Reading

Step1Lead-in。

.Listentothetapecarefullythenanswerthesequestions.

1）Whenandwhodidbecomethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput?

2）WhatdidYuanLongpinginvent?

Step2.Readthepassageonceagain,thenfindoutthesesentencestrueorfalse.

1）DrYuanismoreafarmerthanascientist.

2）DrYuan’skindofriceisthemostsuitableforChina’sfarmland.

3）DrYuanwouldratherworkthanrelax.

4）DrYuanhasdreamswhenheisasleepandalsowhenheisawake.

5）DrYuanenjoysasimplerlifethanmostrichandfamouspeople.

Step3.Findoutthetopicsentencesofeachparagraph

Para.1:

Hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.

Para.2:

Hehasdevotedhislifetofindingwaystogrowmoreandmorerice..

Para.3:

Hecareslittleaboutspendingthemoneyonhimselfandwouldratherkeeptimeforhishobbies.

Para.4Dr.Yuan’sdreams.

Step4.WritedownYuanLongping’spersonalinformation

Inpairs,readthetext,findinformationtocompletethefollowingform.

FactsaboutYuanLongping

FactsaboutYuan’ssuperhybridrice

age

capacity

education

application

major

contribution

hobby

overseas

ideal

future

Step5Languagepoints:

1.Strugglefor…为争取……而斗争

Struggleagainst…为反对……而斗争

Strugglewith…与……争斗

1）Theswimmerstruggledagainstthetide.

2）Wehadtostrugglewith/againstallkindsofdifficulties.

3）Theslavesstruggledforthefreedom

2.使做…成为…make+it+adj./n.+todo

好天气使游泳成为可能

Thefineweathermakesitpossible（forus）toswim.

他将每早跑步做为一个规则

Hemakesitaruletoruneverymorning.

其他可用这种结构的词:

feel,find,think,consider…

3.搜查,搜索search（sb./sth.）for…

Hesearchedalltheroomsforthemissingperson.

Theysearchedthemanalloverformoney.

4.由于,多亏thanksto相当于becauseof

5.是从前两倍那么多twiceaslargeasbefore

相当于oncelargerthanbefore

6.对……感到满意

besatisfiedwith…相当于bepleasedwith

adj.satisfactory/satisfying

n.satisfaction

7.在乎，在意careabout

比较carefor

Myauntcaredformewhenmyparentswereawaylastweek.

DrYuannevercaresaboutmoneyandfame.

8.Indeed,hissunburnfaceandarmsandhisslim,strongbodyarelikethoseofmillionsofotherChinesefarmers.

e.g:

ThestreetsinBeijingarewiderthanthoseinmyhometown.

Thenumberofstudentsinourschoolislargerthanthatintheirschool.

9.DrYuangrowswhatiscalledsuperhybridrice.

e.g:

HecametowhatiscalledAmerica.

10.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.

e.g:

Thatmadeitpossibleforlifetobegintodevelop.

Thedevelopmentofsciencemakesitpossibleforustoknowmoreabouttheuniverse.

11.DrYuanawokefromhisdreamwiththehopeofproducingakindofrice（thatcouldfeedmorepeople）.

e.g:

HewenttotheU.Swiththehopeoffindingabetterjobthere.

Step6Closingdownbyhavingadictation

Toendtheperiodyouwilltakeadictation.ItisaboutYuanLongping,“FatherofSuperhybridrice”.

YuanLongping,China'sMostFamous"Farmer"

Yuancameupwiththeideaofhybridizingriceforthefirsttimeintheworldin1960s.

Sincethen,50percentofChina'stotalricecultivationfieldshavegrownsuchrice,whichaddedsome300billionkilogramstothecountry'sgrainoutput.Furrowsgrownonhissunburntface,aslimfigureandcoiled-uptrouserslegswouldconfuseforeignreport