高中英語必修三unit4教案

1、河南省淮陽縣實驗高中教案河南省淮陽縣實驗高中教案主備教師：主備教師：雷欣雷欣二次備課教師：二次備課教師：編號：編號：19課題：Unit4Astronomy:thescienceofthestarsPeriod1WanrmingUpReading教學目標：1.Developstudents’readingabilityletthemlearndifferentreadingskills.2.Enablestudentstoknowabou

2、tthedevelopmentoftheearth.教學難點：1.Enablestudentstounderstthepassageknowaboutthedevelopmentoftheearth.2.Letstudentslearnhowtousedifferentreadingskillsfdifferentreadingpurposes.教學方法:Skimmingdiscussionindividualwkgroupwk.教學過

3、程：【自研課導學】1.Letstudentslearntheusefulwdsexpressionsinthispart:astronomysystemreligiontheyatombillionglobeviolentatmosphere.2.Getstudentstolearnaboutthedevelopmentoftheearth.【展示課導學】Step1:LeadinginHaveafreetalkwithstudents.

4、1.Letstudentsdiscussthefollowingquestions:WhoareourancestsDoyouknowwhatitwaslikebefelifeappearedontheearthDoyouknowhowlifebeganontheearthDoyouwanttogetmeinfmation2.Tellstudents:Todaywewilllearnsomethingabouthowlifebegano

5、ntheearth.TurntoPage25.Let’scometoWarmingUpfirst.Step2:Warmingup二次備課二次備課C.Amphibians.D.Shellfishfish.3)WhichofthefollowingstatementstrueA.WaterstillexistsonMars.B.Theearth’satmosphereismadeupofoxygennitrogen.C.Theearthha

6、ddissolvedtheharmfulatmosphereintotheoceansseas.D.Plantsprovideoxygentotheearth.4)WhatisthepassagemainlyaboutA.Theappearancedevelopmentoflifeontheearth.B.Thebirthoftheearth.C.Whydinosaursdiedout.D.Thefactthathumanbegings

7、causedglobalwarming.Suggestedanswers:(1)A(2)D(3)D(4)A【板書設(shè)計】【板書設(shè)計】___________________________________________________________________________________________________________________________________________________________

8、_________________________________________________________【教學反思】【教學反思】_______________________________________________________________________________________________________________________________________________________