高中英语 unit4 using language学案 新人教版必修3

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1、广东省惠州市惠东县惠东荣超中学高中英语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30-31页里

2、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_________气候___

3、_______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_______________8.爆发____________

4、________Task2ReadthepassageonPage30-31andsummarizethemainidea:LastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceofwouldchangetimesonourjourney.Thenwetookoff.Aswelefttheearth,Ibecamevery,butgraduallytheweight.WhenIwasinspace,it.Weweightlesslyinth

5、ecabinandI.WhenIwasonthemoon,Iwassurprisedtofindevenwalkingneedslotsofpracticegravityhaschanged.Returningtotheearthwasvery.Wewereamazedtowatchfireontheoutsideofthespaceship.课堂探究案ExploringCaseStep1:ReadingComprehensionⅠFastReadingMatchthethreewaysinwhichgravityc

6、hanged(1)LefttheearthA.Itbecameverylight.(1)InspaceB.Thegravitybecameverystrong.(2)OnthemoonC.Thegravitydisappeared.Matchtheweightchanged(1)LefttheearthA.Heisweightless.(2)InspaceB.Heweighslessthanontheearth.(3)OnthemoonC.Hisweightisnormal.ⅡCarefulReadingReadth

7、etextcarefullyandchoosethebestanswer:1.Thepassageismainlyabout____?A.introductionofthemoonB.thegravitythatIfeltonmywaytothemoonC.myvisittothemoonD.myfriendYanping,anAstronomer2.Accordingtothetext,weknowthattheforceofthegravitywouldchange_____times.A.2B.3C.4D.53

8、.Whendidtheauthorfeelstrongestofthegravityoftheearth?A.Onthemoon.B.Onthehalfwaytothemoon.C.AttheverybeginningD.Ontheirleavingfromthemoon4.Whatcausesthewritertofeelthathebeco