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1、Welcometoourclass!LearningFocus:YuanLongpingandhisachievements(教学重点)LearningAims:(教学目标)1.TogettoknowDr.Yuanandhisachievements,Dr.Yuan’ssuperhybridriceanditsinfluenceonChinaandtheworld2.Toimprovethereadingabilities3.ToretellapassageaboutDr.Yuanandhisachi
2、evementsUnit2workingthelandThefirstperiodWarming,Pre-readingandReadingFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.Let’senjoyapoemLead-in:Whatdoyouknowabout“farming”?wheatsorghumricecornPotatoesStaplefoodselectthew
3、eedsplowthesoilturnoverthesoilsowtheseedsremovetheweedsfertilizefarmingstepsplowthefieldseed(播种)inserttheyoungplantsintothefieldfertilize(施肥)irrigate(灌溉)harvest(收获)riceItissaidthatthereare2.4billionpeopleeatingriceeverydayaroundtheworld.Pre-reading:What
4、doyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?dieofhungerWarmingupQ1.RiceisamainfoodinallEastAsianandSoutheastAsiancountries.Whatdoyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?Ifthathappened,peopletherewouldsufferfromstarvation.
5、Andthewholecountrywouldgetintotrouble.InternationalFactsonHungerandPoverty(2002)everyeightseconds,achildsomewhereintheworlddiesfromstarvation.Morethan6millionchildrenundertheageof5diefromstarvationeveryyear.Morethan800millionpeopleintheworldsufferfromc
6、hronicmalnutrition–--799millionofthemarefromthedevelopingworld.Morethan153millionofthemareundertheageof5.Some700,000centralAmericansaresufferingfromhungertoday,including6,000childrenatriskofstarvingtodeath.TheAfricancountriessufferingmostseverelyfromfoo
7、dshortageareMalawi,Lesotho,Mozambique,Swaziland,ZambiaandZimbabwe.About24,000peopledieeverydayfromhungerorhunger-relatedcauses.Three-fourthsofthedeathsarechildrenundertheageoffiveQ1:WhatisthemainfoodinNorthChina?Q2:WhatisthemainfoodinSouthChina?Noodles,
8、Rice.Twoquestions:Inthelate1990s,Brown,anAmericanscholar,cameupwiththetheoryofChineseMenace(威胁),whichsaidthatinthe2030s,Chinesepopulationwilladdupto1.6billion,andhadthequestionwhowouldfeedthelargepopulationinChinaaswellasinthewor