高中英语 Working the land 阅读课件人教版必修4.ppt

课标人教实验版高一module4unit2workingtheland nsefc book4unit2periodtwo readingonp14 step leading in enjoyabeautifulsong aquiz fillblanks tastesomedeliciousfood guesswhattheyare advantagesofgreenfood tastedelicious competition howdoyouunderstandgreenfood grownin air freeofp nutrition do topeople shealthandthee clean ollution richin good nvironment whichkindoffarmingmakesgreenfood chemicalororganicfarming freetalks lookatthepictureinthereadingtextpredictwhatthepassageabout whatcanyouseeinthepicture stepiipre reading 1 whyarechemicalfertilizerssopopularinfarmingtoday i readthepassageandanswerthefollowingquestions theyareagreatwaytostopcropdiseaseandincreaseproduction stepiiifast reading 2 whatproblemscanbecausedbyusingchemicalfertilizers theycandamagethelandbykillinghelpfulbacteriaandpestsandbystayinginthegroundandundergroundwaterforalongtime theydamagepeople shealthbybuildingupintheirbodiesandleadingtocancerorotherillnesses 3 whatisorganicfarming organicfarmingmeansgrowingcropswithoutusinganychemicals 4 whatisthemainreasonforusingorganicfarmingmethods themainreasonforusingorganicfarmingmethodsistogrowgoodfoodandtoavoiddamagingtheenvironmentorpeople shealth mainideaofthepassage chemicalfertilizerscancausemanyproblems soorganicfarmingisbecomingmorepopular stepivfast reading organicfarming structureofthetext iusingchemicalfertilizersforalongtimecanhurtthelandandalsopeople shealthiiproblemcausedbychemicalfertilizers 1 damagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones 2 leadtocancerorotherillness 3 foodgrownwithchemicalfertilizerslookbeautiful butinsidethereisusuallymorewaterthanvitaminsandminerals organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomersafterthesediscoveriescameout ivothermethodstokeepthesoilfertile writing step1 skimthepassagetofinditsmainidea writeitdowninyourownwords step2 findandunderlinethetopicsentenceofeachparagraph rewriteeachtopicsentence usingyourownwords donotcopyfromthepassage step3 writeyoursummary firststatethemainideaofthepassageandthenthetopicscoveredbyeachparagraph remember useyourownwords step4 swapsummarieswithyourpartnerandgiveeachothercomments checkyourpartner ssummaryforthemainideaandtopicsentences writeasummaryofthispassagefollowingtheprocedure stepvexplanation 考例1 theyfocusonkeepingtheirsoilrichandfreeofdisease 考点 动词 ing短语作介词的宾语 考例1 isn tittimeyougotdownto thepapers 重庆2006 a markb bemarkedc beingmarkedd marking 点拨 getdowntodoingsth 开始着手干某事 to在这个短语中是介词 后可跟动词 ing形式 名词或代词 又因markthepapers 判试卷 与逻辑主语you是主动关系 故排除选项c 考例2 accordingtoarecentu s survey childrenspentupto25hoursaweek tv 上海2004 a towatchb towatchingc watchingd watch 点拨 spendtime money in doingsth 花费时间或金钱干某事 doingsth 作介词in的宾语 3 buildup逐渐积聚 增进 增强trafficonthisroadisbuildingup buildupone sstrengthafteranillness 4 leadto导致 通向往hismistakesledtohisfailure thisroadleadstotherailwaystation 5 keep freefrom 远离 或 避免 keepfreefromemotionalreactions避免激动的反应keepfreefromrestrictions避免