2019-2020年高中英语 Unit4 Using language学案 新人教版必修3

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1、2019-2020年高中英语Unit4Usinglanguage学案新人教版必修3学习目标:1.Tobeabletoreadthepassagebyskimmingandscanning.2.Mastertheimportantwordsandexpressionsinthisperiod.重点:Beabletousetheimportantwordsandexpressionsinthisperiodflexibly.课前预习案PreviewingCase使用说明及学法指导：1.自我学习课本30-

2、31页里的内容，完成预习案。2.完成时间25-30分钟。Task1WritedownthewordsandexpressionsaccordingtothefollowingChinesemeaning.I.单词巩固1.v.碰撞，坠落__________仍是，剩下___________允许___________减少，减轻__________浮动，漂浮____________2.n.生物学__________卫星___________物理学家____________拉力，牵引力_________重力_

3、________气候__________宇宙飞船__________3.adj.极大的，强有力的___________幸运的，好运的___________温和的；文雅的_________II.短语记忆1.挡住（光线）______________2.连锁反应_______________3.第一次____________________4.依靠，依赖于_______________5.感到高兴_______________6.既然____________________7.熟悉，掌握_________

4、______8.爆发____________________Task2ReadthepassageonPage30-31andsummarizethemainidea:LastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceofwouldchangetimesonourjourney.Thenwetookoff.Aswelefttheearth,Ibecamevery,butgraduallytheweight.WhenIw

5、asinspace,it.WeweightlesslyinthecabinandI.WhenIwasonthemoon,Iwassurprisedtofindevenwalkingneedslotsofpracticegravityhaschanged.Returningtotheearthwasvery.Wewereamazedtowatchfireontheoutsideofthespaceship.课堂探究案ExploringCaseStep1:ReadingprehensionⅠFastRe

6、adingMatchthethreewaysinwhichgravitychanged(1)LefttheearthA.Itbecameverylight.(2)InspaceB.Thegravitybecameverystrong.(3)OnthemoonC.Thegravitydisappeared.Matchtheweightchanged(1)LefttheearthA.Heisweightless.(2)InspaceB.Heweighslessthanontheearth.(3)Onth

7、emoonC.Hisweightisnormal.ⅡCarefulReadingReadthetextcarefullyandchoosethebestanswer:1.Thepassageismainlyabout____?A.introductionofthemoonB.thegravitythatIfeltonmywaytothemoonC.myvisittothemoonD.myfriendYanping,anAstronomer2.Accordingtothetext,weknowthat

8、theforceofthegravitywouldchange_____times.A.2B.3C.4D.53.Whendidtheauthorfeelstrongestofthegravityoftheearth?A.Onthemoon.B.Onthehalfwaytothemoon.C.AttheverybeginningD.Ontheirleavingfromthemoon4.Whatcausesthewritertofeelthathebeesweightle