Unit19高一英语课件
日期：2010-12-01 12:46
2004WelcometomyclassUnit19ModernAgriculturePre-readingPresentationReadingHomeworkTask1Pre-readingBLookatthepicturesatp45andcomparetraditionalandmodernfarming1Whatcanyouseeinthepictures?2Whataretheadvantagesanddisadvan-tagesofeachway?AWhatisfarminglikeinyourhometown?Inthefirstpicture:Achicken/AhenInthesecondpicture:AfarmerfeedingchickensInthethirdpicture:AmodernchickenfarmWhatarethedifferences?ComparetheoldandthemodernwaysofraisingchickensAfarmercanonlykeepafewchickensAfactorycankeepthou-sandsofchickensItcostonlyalittlemoneyItcostalottostartafactorydon’thavemanyproblemsifill，manydieorarekilledTheeggsandmeataretastyTheydon’ttastesodeliciousThechickensarefreenotfree，TheLecturer:ShenKailaiInQingyuanApr19，cansitinsmallcagesInthefirstpicture:Apileofanimalshit(manure)Inthesecondpicture:AbagofchemicalfertilizerWhatarethedifferences?ComparetheoldandthemodernwaysoffeedingthecropsItisfreeorcostverylittleItiseasytobeput，
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