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Learninggoal:LearnsomethingmoreaboutthegrowthofthericeandprepareforthereadingEnjoyaPoemByLiShenFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.toilv.苦干,辛勤劳动Lead-inWhatdoyouknowabout“farming”?wheatricecornpotatoespeanuttomatoessorghumcottonAgricultureinthepastAgricultureinthemoderntimesHaveyoueverbeentothecountryside?Whatdidyouseeordothere?Whatdoyouthinkofwhenyouseethewordagriculture?waterfarmertoolfieldseedmachinecattlevillagericeDoyouknowhowriceisgrown?First,thefarmersplowthefield.Theyhavetomakethesoillooseenoughtoplantcrops.Second,growsomeyoungplants.Third,theyinserttheyoungplantsintotheloosefield.Theyfertilizethefield.Atlast,theywillgettheharvest.Areyoufromafarmer’sfamily?Whatdoyouknowaboutfarming?ploughing(犁田)seeding(播种)fertilizing(施肥)irrigating(灌溉)harvesting(收获)winnowing(扬谷)Haveyouevergrownanyplants?Ifso,whatdidyoudotogrowthem?Ifnot,whatkindofplantwouldyouliketotrygrowing?Howwouldyougrowit?Readthestatisticsbelow.Didyouknowthesefactsbefore?Whatproblemdotheyshow?WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?Rice.Itissaidthatthereare2.4billionpeoplewhoeatriceeverydaythroughouttheworld.Whatdoyouthinkwouldhappeniftomorrowtherewassuddenlynoricetoeat?•sufferfromstarvationandstarvetodeath.•feelscared/bepanic(惊慌).•fightforfood,evenkilleachother•andthewholecountrywouldgetintotrouble.Ifyouhadthechancetodosomethingtohelpendhungerintheworld,whatwouldyoudo?Howtosolvehunger?makinggooduseofthewastelanddevelopingthetechnologyto…inventinganewkindoffood…improvingthequalityofthesoilpreventingthepestsfromeatingourcropsJustatthattime,aChinesescientistdeclaredtotheworldthatChinacansolvetheproblembyhimselfandhelptosolvethesameproblemintheworld.YuanLongping“FatherofHybridRice”重穗型超高产杂交稻Homework1.SurftheInternettofindmoreinformationaboutfarming.2.Previewthereading.
本文标题:必修4第二单元Warmingup
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