19单元现代农业课件
日期：2010-11-10 11:10
atthesametimethedevelopmentofagriculturehaseffectsonnaturePre-reading:Lookatthepicturesandcomparetradi-tionalandmodernfarmingInthepast，buttheycouldnotproduceenoughfoodforthewholepopulationAtpresent，ModernAgriculture●ReadingTeachingAims:1Enablethestudentstolearnsthaboutmodernagriculturefromthetext2Getthestudentstohavetheabilitytograspthegeneralidea3Improvethestudents’abilityinreadingandunderstandingRevisionandLead–inWhataretherelationsbetweenthem?Eatinghabitsaffectthechangesinagriculturalproduce，farmersgrowcropsinthetraditionalwayUsingcattletoploughthefieldfarmersworkmostofthedayallyeararound，theyusemoderntechniquesintheirfieldstoimproveagriculturalproductionsuchaschemicalfertilizers，greenhousesandsoonGreatchangeshavetakenplaceinagricultureReading:FastreadingReadthetextquicklyandsilentlyandanswerthefollowingquestions:HowmuchlandcanbeusedforfarminginChina?Whatshouldfutureagriculturedependon?Only7%ofthelandcanbeusedforfarminginChinaFutureagricultur，
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