下学期readingofunit19高一英语课件
日期：2010-03-07 03:32
manydieorarekilledTheeggsandmeataretastyTheydon’ttastesodeliciousThechickensarefreenotfree，Unit19ModernagricultureReadingTask1Pre-readingLookatthepicturesonp45andcomparetraditionalandmodernfarming1Whatcanyouseeinthepictures?2Whataretheadvantagesanddisadvantagesofeachway?AWhatisfarminglikeinyourhometown?Inthefirstpicture:Achicken/AhenInthesecondpicture:AfarmerfeedingchickensInthethirdpicture:AmodernchickenfarmWhatarethedifferences?ComparetheoldandthemodernwaysofraisingchickensAfarmercanonlykeepafewchickensAfactorycankeepthou-sandsofchickensItcostsonlyalittlemoneyItcostsalottostartafactorydon’thavemanyproblemsifill，cansitinsmallcagesInthefirstpicture:Apileofanimalshit(manure)Inthesecondpicture:AbagofchemicalfertilizerWhatarethedifferences?ComparetheoldandthemodernwaysoffeedingthecropsItisfreeorcostsverylittleItiseasytobeputintothefieldsItusuallyhasabadsmellIttakesuplittleplacetostoreItisdifficulttocarryand，
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