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时间:2018-12-15
《高中英语《unit4 astronomy the science of the stars warming up & reading》导学案 新人教版必修3》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、第三册第四单元第一课时阅读导学案Book3Unit4Astronomy:thescienceofthestarsWarmingUp&ReadingLearningGoals:1.Arousestudents’interesttosearchforthemysteryofspace.2.DevelopSs’readingability.StepI:LeadinTask1:GooverwordsaboutnamesofsubjectandscientistsinthesefieldsHey.Doyoulike...Doyouwanttobean/a...biology(生物学)bio
2、logist(生物学家)chemistrychemist(化学家)Physicsphysicist(物理学家)geography(地质学)geologist(地质学家)musicmusicianpolitics(政治)politician(政治家)astronomy(天文学)astronomer(天文学家)Task2:Talkaboutsomethingaboutastronomy.Hereisthepictureofthesolarsystem.Canyoulocate(定位)theeightplanetsinthepicture?UranusVenusEarthMarsMer
3、curyJupiterNeptuneSaturnsolarsystemTheyare:、、、、、、、、ResearchinclassReadthetextbookinPage25“Howlifebeginonearth”.Step2Thinking&Discussing(1)Scanandpredict.Whatisthepassageabout?Itisabouthowontheearth.(2)SkimandfindthemainideaofeachparagraphPara.1Thearrivalofhumansandtheirimpactontheearth.Para.2
4、Thedevelopmentofplantsandanimalsontheearth.Para.3Awidelyacceptedtheoryabouttheformationoftheuniverse.Para.4Theformation(形成)oftheearth.Para.5Theimportanceofwaterforlife.(1)Carefulreading:readthetextcarefully,thenfillinthechatof“Howlifebeganontheearth”1smallplantsinwaterwater32shellfishandallso
5、rtsoffish64511.human10.7reptiles(onland)89Step3Discussingandpresentingyouranswerstoyourgroupmats.Step4TestingTrue(T)orFalse(F).1.TheearthappearedbeforetheBigBanghappened.2.Theoriginalatmosphereconsistedofnitrogenandoxygen.3.Themaindifferencebetweentheearthandotherplanetsisthatthereiswateronth
6、eearth.4.Lifebeganinwaterandthenonland.5.Mammalsappearedbeforethedevelopmentofdinosaurs.6.Dinosaurscouldgivebirthtoyoungbabyanimalsandproducedmilktofeedthem.7.Humanbeingsproducetoomuchcarbondioxidewhichcausestheglobalwarmingontheearth.8.Accordingtothetext,humanbeingswoulddisappearintheend.Rea
7、dingcomprehension1.Howwerestarsandotherbodiescreated?A.Atomscombinedtocreatethem.BCloudsofdustcombinedtocreatethem.C.Watercombinedtocreatethem.D.Gasescombinedtocreatethem.2.Whichisthemostimportantforlifeappearingontheearth?A.FireB.RockC.Water
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