选择性必修一Unit-5-working-the-land-Reading-and-thinking课件

Unit5WorkingthelandDoyouknowwhoheis?YuanLongpingAPioneerforAllPeopleFatherofSuperHybridRice

Pioneern.personwhoisthefirsttostudyanewareaofknowledge.“Mylifelongpursuitistokeepallthepeopleawayfromhunger”.Readingandthinking:ApioneerforallpeopleParagraph1

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Skimming:Readthetext.Matchthemainideawitheachparagraph.A.Yuanconductedresearchanddevelopedhybridrice.B.Yuanisoldbutstillworkinghardtofulfilhisdreams.C.YuanconsidershimselfafarmerD.Yuandecidedtostudyagriculture.E.Yuan'sinnovationhashelpedtofeedmorepeople.F.Yuancareslittleforfameorwealth.

Scanning:Readthetextagainandanswerthequestions.1.WhydoesYuanLongpingconsiderhimeselfafarmer?BecausehecontinuallyworksthelandinhisresearchandhisslimbutstrongbodyisjustthatofmillionsofChinesefarmers.2.WhydidYuanLongpingdecidetostudyagriculture?Whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadashortageoffoodtoeat.3.Whatisthemainadvantageofhybridcrops?Themainadvantageliesinthattheyusuallyattainahigheryieldthantheconventionalcrops.4.HowhasYuan'sworkhelpedChinaandothercountries?HisinnovationhashelpedfeednotjustChinabutmanyothercountriesthatdependonriceaswell,suchasIndia,Vietnam.5.WhatisYuan'slatestvision?Hislatestvisionforseawaterricehasbecomearealityand,potentiallyopeneduponemillionsquarekilometersofsaltylandinChinaforriceproduction.Scanning:Readthetextagainandanswerthequestions.What’syourimpressiononprofessorYuan?PleaseusesomeadjectivestodescribeprofessorYuanaccordingtoyourunderstandingofhim.DiscussionGreatpersondedicateddiligentdevotedhard-workingoutstandingDr.Yuanambitiousmodestselfless……策划：《学生双语报》10Post-readingThereisstillhungerintheworld.Onechildwilldiefromhungerineverysixseconds.Thenumberofchronicallymalnourished(长期营养不良)

peopleintheworldisabout795million,whichmeansthataboutone-ninthofthemorethan7billionpeopleontheplanetsufferfromfrequenthunger.SupposeyouareattendingtheUNconferencerepresentingyourcountry.Youwillgiveyourcountry'smeasurestoendstarvation.Whatmeasureswillyougive?策划：《学生双语报》14

Measurestoendhunger1.Useourenergyandfood

wisely.Don’twaste.2.Educatefarmerssothattheycanusehigh

technologyinfarming.3.Findsomenewwaystostopthepollutiontotheenvironmentandprotectthesoilinthefield.4.Findanewsortoffertilizer

togivericeenoughnutrition.5.Controlthepopulationintheworld.Language

Points1.devote

vt.把……献(给);把……专用于;专心于【教材原句】Indeed,hisslimbutstrongbodyisjustlikethatofmillionsofChinesefarmers,towhomhehasdevotedhislife.确实,他瘦削但结实的身躯看起来和他为之奉献了一生的千千万万的中国农民一样。【词汇精讲】devotevt.把……献(给);把……专用于;专心于Hethinksweshouldnotdevoteanymoretimetothisissue.他认为我们不应该再在这个问题上多花时间了。Theseartistsdevotedalltheirlifetoart.这些艺术家把终生献给了艺术。重点词汇【词汇拓展】Theydevoted

themselves

todoingthescientificresearchjob.他们把自己献身于科学研究工作。He’sdevotedmostofhistimetohispainting.他把大部分时间都花在了作画上。2.convince

vt.使相信;使确信;说服【教材原句】Yuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.袁确信,在杂交水稻的研制中可以找到答案。【词汇精讲】convincevt.使相信;使确信;说服Yourargumentistooweaktoconvinceme.你的论点太薄弱了,说服不了我。Itriedtoconvincemyselfthatthetroublewaswiththeproblemitself,notwithme.我努力说服自己麻烦是问题本身所引起的,而不是我自身(的麻烦)。【词汇拓展】Isoonconvinced

him

ofmyinnocence.我很快便让他相信了我是清白的。Wewilltrytoconvince

her

to

stay.我们要尽力说服她留下来。3.attain

vt.(通常经过努力)获得;得到【教材原句】Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.杂交水稻的一个特点是它们通常比传统作物获得更高的产量。【词汇精讲】attainvt.(通常经过努力)获得;得到Afterhisgraduationhereturnedandattainedthedegreeofcivilengineering.毕业后,他再回校攻读,获得了土木工程学学位。Theoldmanattainedgreatreverencefromtheyoungmen.这位老人在年轻人当中享有极高威望。Hehasattainedthehighestgradeinhismusicexams.他在音乐考试中获得最高分。4.overcome

vt.克服解决;战胜【教材原句】Throughintenseeffort,Yuanovercameenormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.通过努力,袁隆平克服了巨大的技术困难,在1974年研制出第一种可用于农业的杂交水稻。【词汇精讲】overcomevt.克服解决;战胜Mollyhadfoughtandovercomeherfearofflying.莫莉已经努力克服了对飞行的恐惧。Weovercamemanyunforeseendifficulties.我们克服了许多没有料到的困难。5.expand

vt.&

vi.扩大;增加vt.扩展;发展(业务)【教材原句】Thishybridenabledfarmerstoexpandtheiroutputgreatly.这种杂交水稻使农民大大增加了产量。【词汇精讲】expandvt.&

vi.扩大;增加vt.扩展;发展(业务)Metalsexpandwhentheyareheated.金属受热会膨胀。Thenewsystemexpandedtheroleoffamilydoctors.新体制扩大了家庭医生的作用。We’veexpandedthebusinessbyopeningtwomorestores.我们增开了两个商店以扩展业务。【词汇拓展】Wehaveplanstoexpand

intotheU.S.market.我们有进入美国市场的计划。Allthedetailsareinthebook,soIneednotexpand

onit.所有的细节都在书上呢,我无须详述。6.estimate

vt.估计;估价;估算n.估计;估算comprise

vt.包括;包含;由……组成【教材原句】Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains...据估算,现在中国国内消费的稻米有大约60%来自袁隆平的杂交水稻品种形成的作物……【词汇精讲1】estimatevt.估计;估价;估算n.估计;估算Heestimatedthespeedofthewindsfromthedegreeofdamage.他根据破坏的程度估算风速。Itisnoteasytoestimatehowmanypeoplewillcome.很难估计多少人会来。Icangiveyouaroughestimateoftheamountofmoneyyouwillneed.我可以粗略地估计一下你所需要的钱。【词汇拓展】Thetreeisestimated

to

beatleast700yearsold.这棵树估计至少700年了。It

is

estimated

thatthemeetingwilllastfourdays.这次会议预计要开4天。【词汇精讲2】comprisevt.包括;包含;由……组成Thehousecomprisestwobedrooms,akitchen,andalivingroom.这所房子包括两间卧室、一间厨房和一间客厅。Girlstudentscomprise60%oftheclass.女生占班级的60%。【词汇拓展】becomprisedof包括;包含;由……组成(或构成)Theclassis

comprisedmainlyofItalianandFrenchstudents.该班主要由意大利和法国学生组成。1.Yuan

Longping,known

as

the“father

of

hybrid

rice”,is

one

of

China’s

most

famous

scientists.袁隆平,被称为杂交水稻之父,是中国最著名的科学家之一。【句式剖析】knownas意为“作为……而著名”,是过去分词短语,在句中作定语,修饰主语YuanLongping。过去分词作定语时和