下学期unit19reading高一英语课件
日期:2010-09-04 09:13
Unit19ModernagricultureStepOneWarmingupcomparetraditionalandmodernagriculturesmallscalelargescaleInthepastNownaturalfertiliserchemicalfertiliserploughwithanimalsatractordryandbarren(贫瘠的)landagreenhouseStepTwoFast-readingQ1:What’sthebiggestproblemtoChinesefarmers?Q2:WhatdoesGMmean?Theshortageofarableland“G”standsfor“genetically”“M”standsfor“modified”(changed)StepThreeCareful-readingReadthetextcarefullyanddotheexercises1multiple-choice(post-readingexe1)2T&Fquestions1InChinaonlysevenpercentofthelandisusedforfarmingThisis_______Abecausefarmersdon’tneedmorelandtoproducefoodforthewholepopulationBbecauseChinaneedsmore&morelandtobuildcitiesCbecausetherearenotenoughfarmerstoworkonthelandDbecausetheotherlandcan’tbeusedforagriculture2Fertilisationisatechniquethatisusedto______AmakepoorsoilbetterBmakewetlanddrierCmakedrylandwetterDgrowvegetableswiththeirrootsinwaterinst,
查看全部