Unit5WorkingthelandReadingandthinking课件高中英语人教版选择性

Unit5WorkingtheLandReadingandThinking1.Wheredoyouthinkthephotowastaken,andwhatisitof？2.Haveyoueverbeentoaplacelikethis？Howdoyoufeelwhenyouseeit？

Leadin:Discusstheopeningpage.Infact,80yearsago,theChinesepeoplealsoexperiencedagreatfamineinwhichtheyhadnothingtoeat.Wehavenofearofhungerandwillevendiettoloseweight.Whentalkingaboutthepersonswhocontributethemosttothisgreatchange,whowillcometoyourmindfirst?apersonwhoisthefirsttostudyanddevelopaparticularareaofknowledge,culture,etc.Whatisheholding?Yuanisthemanwhoisthefirsttodevelop____________.hybridriceReadforprediction.Lookatthetitleandthepictureofthearticleandpredictthecontent.1.Whatmaybethewritingstyleofthearticle?A.Astory B.Traveljournal C.Biography2.Howdoestheauthordevelopthisarticle?A.Time B.Space C.logic3.Wherecanyoufindsuchapieceofwriting?

A.Aletter. B.Astorybook.C.Amagazine. D.Asciencereport. AnintroductiontoapersonReadforprediction.Scanthefirstsentenceofeachparagraphandthinkaboutthefollowingquestions.Para.1Para.2Para.4Para.5Para.6Para.3Yuanconsidershimselfafarmer.Yuandecidedtostudyagriculture.Yuanconductedresearchanddevelopedhybridrice.Yuan’sinnovationhashelpedtofeedmorepeople.Yuancareslittleforfameorwealth.Yuanisoldbutstillworkinghardtofulfilhisdreams.Readformainidea.Readthetextagainandanswerthefollowingquestions.1.WhydoesYuanLongpingconsiderhimselfafarmer?2.WhydidYuandecidetostudyagriculture?3.Whatisthemainadvantageofhybridcrops?4.HowhasYuan’sworkhelpedChinaandothercountries?5.WhatisYuan’slatestvision?Readfordetailedinformation.Para.11.WhydidYuanLongpingconsiderhimselfafarmer?Becausehecontinuallyworksthelandinhisresearch.Readfordetailedinformation.Para.22.WhydidYuandecidetostudyagriculture?Totacklethecrisisthatfarmersoftenhadpoorharvestandsometimesevenhadaseriousshortageoffoodtoeat.Readfordetailedinformation.Onecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate,Thecommonassumptionthenwasthatitcouldnotbedone.Throughintenseeffort,Yuanovercameenormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.Thishybridenabledfarmerstoexpandtheiroutputgreatly.Para.33.Whatisthemainadvantageofhybridcrops?Theyusuallyattainahigheryieldthanconventionalcrops.Readfordetailedinformation.Para.4HowhasYuan’sworkhelpedChinaandothercountries?Yuan'sinnovationhashelpedfeednotjustChina,butmanyothercountriesthatdependonriceaswell,suchasIndiaandVietnam.Readfordetailedinformation.Para.65.WhatwasYuan’slatervision?Heenvisionedriceplantsastallassorghum,witheachearofriceasbigasabroom,andeachgrainofriceashugeasapeanut.Readfordetailedinformation.BirthdateBirthplaceAppearanceMajorOccupationsTitleIn1930,InBeijingSlimbutstrongAgricultureAscientist&aresearcher&afarmerFatherofhybridriceReadfordetailedinformation.Contentofbiographybiographyidentityachievementsbirthplaceeducationdreamsqualitybirthdate2.RetellYuanLongping’sbiographyinyourownwordsaccordingtothecontenttree.1.Summarizewhatabiographyshouldinclude.

MedaloftheRepublicAfterexploration,whatdoyouthinkofYuanLongping?PleasethinkaboutsomeadjectivestodescribeYuanLongpingandfindevidencefromthetext.Forexample,YuanLongpingismodestbecauseheconsidershimselfafarmer…YuanLongpingCriticalThinkingFoodisthemostsignificantthingintheworld,becauseeveryonelivesonfood.Doyouknowwhatkindsofmeasurescanwetaketomakesureeveryonecansavefoodwell?Whatthegovernmentshoulddo?Whenwegettogetherinrestaurants,whatshouldwedo?Whenwewitnessotherswastingfood,it’sourdutyto_________________________________________.1.TrytointroduceYuanLongpingaccordingtothetext.2