2019-2020年高中英语 Unit 1 Great Scientists（第6课时）Listening and speaking教案 新人教版必修5(I)

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1、2019-2020年高中英语Unit1GreatScientists（第6课时）Listeningandspeaking教案新人教版必修5(I)Step1HomeworkcheckingP5,Ex3.,P43,UsingstructuresEx.2Step2LeadinP44,Ex6“Canyousolvetheproblem?”T:Doyouknowwhyyoucan’tgooveritwithoutmissinganypointsorgoingoveralinetwice?Step3Listening

2、P441.“WhoisLeonhardEuler?Whatachievementhashemade?”ThengooverEx.1andteachnewwords2.Listentothetapetwice1stlistening:2ndlistening:Step4Reading-----FindingTheSolution(P45)1.BackgroundLeonhardEuler(1707-1783)Born:15April1707inBasel,SwitzerlandDied:18Sept1783

3、inStPetersburg,RussiaEulerwasafamousmathematicianintheeighteenthcentury,heintroducedanewbranchofmathematicscalledtopology.Itisaformofgeometrythathelpyouunderstandthingsbyturningthemintodiagrams.2.Readingprehending1)Q:WhatisEulerpath?Canyougooveritwithoutm

4、issinganypointsorgoingoveralinetwice?AAAFDDFEBCBCBCEulersaid,“Ifafigurehasmorethantwooddpoints,youcannotgooveritwithoutliftingyourpencilfromthepageorgoingoveralinetwice.”2)underlinesomeusefulphrases3)TrytoproveEulerruleStep5PlayaPuzzlegame(Workoutpuzzleso

5、n46orleaveitasHW)Step6Homework1.P42Ex.3Translation(onexercisebook)2.Reviewthewordsfortomorrow’sdictation.1.findoutinformationofCopernicus(Whoishe?Whatachievementdidhemake?When?…)andfindoutthenamesofthenineplanetsofthesolarsystem.Youcantrythisfollowing