英语：_公开课必修4_Unit2_Working_the_land_warming_up__pre-reading_and_readingppt课件.ppt

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1、Unit2workingthelandThefirstperiodWarming,Pre-readingandReadingWarmingup1.Haveyoueverbeentothecountryside?whatdidyoudothere?2.Areyoufromafarmer’sfamily?whatdoyouknowaboutfarming?Haveyouevergrowanyplant?Doyouknowhowtogrowaplant?Howdoyouthinktogrowourmainfood----rice?plowthefieldsee

2、d(播种)inserttheyoungplantsintothefieldfertilize(施肥)irrigate(灌溉)harvest(收获)winnowing(扬谷)Farmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.ApoembyLishenselecttheweedsploughthesoilturnoverthesoilsowtheseedsremovetheweedsfertilizefarmingstepsriceDiscuss

3、ionIftomorrowRiceisthemainfoodinallEastAsianandSoutheastAsiancountries.Whatdoyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?Pre-readingdieofhunger联合国粮农组织称：饥饿每年夺去500万儿童生命HungerHungerWarmingupQ1.RiceisamainfoodinallEastAsianandSoutheastAsiancountries.Whatdoyouthinkwouldhapp

4、eniftomorrowtherewassuddenlynoricetoeat?Ifthathappened,peopletherewouldsufferfromstarvation.Andthewholecountrywouldgetintotrouble.InternationalFactsonHungerandPoverty(2002)everyeightseconds,achildsomewhereintheworlddiesfromstarvation.Morethan6millionchildrenundertheageof5diefromst

5、arvationeveryyear.Morethan800millionpeopleintheworldsufferfromchronicmalnutrition–--799millionofthemarefromthedevelopingworld.Morethan153millionofthemareundertheageof5.Some700,000centralAmericansaresufferingfromhungertoday,including6,000childrenatriskofstarvingtodeath.TheAfricancou

6、ntriessufferingmostseverelyfromfoodshortageareMalawi,Lesotho,Mozambique,Swaziland,ZambiaandZimbabwe.About24,000peopledieeverydayfromhungerorhunger-relatedcauses.Three-fourthsofthedeathsarechildrenundertheageoffiveIfyouhadthechancetodosomethingtohelpendhungerintheworld,whatwouldyoud

7、o?Howtosolvehunger?makinggooduseofthewastelanddevelopingthetechnologyto…inventinganewkindoffood…improvingthequalityofthesoilpreventingthepestsfromeatingourcropsDosomethingtohelpendhungerintheworld!!!FatherofHybridRiceAPioneerForAllPeopleLookatthetitleofthepassageandthepicture.Whatd

8、oyoupredictthispassageisgo