精品原创教学案unit1greatscientistsperiod4（人教版必修5）

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1、、、、、、、、、Period4　ReadingandWritingTheGeneralIdeaofThisPeriodInthisperiodtheteachingandlearningwillcenteronreadingandwriting.Asusual,theteachercanbegintheteachingwithreviewingtheformerknowledge.Thefollowingpartisthelead-in—talkingaboutsomescientists,becausethisunittalksaboutgreatscientistsandth

2、ispassageisaboutNicolausCopernicusandhistheory.Astoreadingtraining,theteachershouldstilldevelopthestudents’abilityofscanningandskimming.Soatthebeginning,getthestudentstopreparesomeknowledgeforreading.Forthatpurpose,theteacherwillfirstlyaskforinformationaboutCopernicusaccordingtowhatthestuden

3、tsalreadyknow.Thentheteachercanhavethestudentslistentothetapeandfindoutwhetherthestatementsaretrueorfalse.Itisdesignedtotrainthestudents’listeningandtocheckwhetherthestudentshavepreviewedthepassagewell.Later,theteacherwillaskthestudentstoskimitandfindoutthemainideaforeachpart.Thepurposeofdoi

4、ngtheseistohelpthestudentstoformthegoodhabitofreadingwithsomestrategy.Whenreadingapassage,wehadbetterfirstreaditasawhole,thatis,understandthestructureofthepassageandcatchthemainideawiththehelpofthestructureandtitle.Thefollowingstepistoreadthepassageforthedetails.Theteachercandesignsometeachin

5、gactivitiestohelpthestudentstoknowaboutmoreandmoreinformationbytakingpartinthereadingactivities.Asaresult,theteachershouldbecareful,cautiousandcreativewhendesigningthereadingactivities.Thereadingactivitieshadbetterbevarious,whichcancatchmorestudents’attention.Attheendofreading,someactivities

6、shouldbedesignedtocheckthestudents’understandingbysayingsomethingaboutCopernicusandmakingupadialoguebetweenCopernicusandhisfriend.Thepracticinghelpsthestudentsimprovetheirspeakingandarousetheircreativity.Thecompetitionisheldtomakethestudentstakepartintheclassactivitiesactively.Atthesametime,

7、letthestudentsconsiderthewritingpurpose.Besidesreading,thestudentsarealsoexpectedtolearnandpractisetheirwritingskill.Bystudyingthepassage,thestudentsshouldlearntodopersuasivewritingtochangesomeoneelse’sdecision.Theteachershouldgivethestudents