人教版高中英语必修二教案：Unit 3 Computers Period 4 Language points.doc

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1、Unit3ComputersPeriod4Languagepoints教学设计I.Teachingcontents：LearningaboutlanguageII.Teachingaims：1）Torevisetheusefulwordsandexpressions.2）Grasptheusageofsuchimportantexpressions:common;as;lonely;connect;anyhow;have…incommon;workout;goby;3）Masterthesentencepa

2、ttern:Ittook+一段时间+before+从句(一般过去时)so/such...that引导结果状语从句III.Keypoints&DifficultiesKeypoints:Howtousethephrasescorrectly.TeachingDifficulties:Howcanstudentsusethesentencepatternfreely.IV.Teachingprocedure:Step1:Greetings.Step2:Difficultiesandkeysentencesexp

3、laination.1.commonadj.共同的；共有的；常见的；寻常的；普通的have…incommon在……方面有共同之处incommon共有；公有incommonwithsb./sth.与……相同2.workout锻炼身体；计算出；理解；了解；处理；解决workoff（通过消耗体力)宣泄感情workover拷问；追问workup逐步发展3.Ittook+一段时间+before+从句(一般过去时)Itwill(not)be+时间段+before+从句（现在时）要过一段时间后才……（用不了一段时间就……

4、）Itwas(not)+时间段+before+从句（过去时）过了一段时间后才……（没过一段时间就……）4.as在句中作连词，引导时间状语从句，意思是“随着；当……时”。goby（时光）逝去；依照；依赖；根据……做判断5.so/such...that引导结果状语从句，意为“如此……以至于”。6.lonelyadj.孤独的；寂寞的；人迹罕见的；偏僻的7.let/leaveabalone让某人独处letalone更不必说allalone独自的8.connectvt.&vi.联系；连接；给接通电话connected

5、adj.连结的；连接的；关联的connectionn.连结；连接；联系inconnectionwith与……有关系；关于beconnectedwith与……有关；与……有亲戚关系connect…with/to把……与……连接起来connectwith相连；衔接9.anyhowadv.(也作anyway)无论如何；即使如此Step3:Exerciseontextbook.1).Pairwork:OnestudentsayEnglishmeaningandtheotherstudenttoguessthewor

6、dtofinishexercise1.onpage202).Letthestudentstrytofillintheblanksonexercise2usethephrases.Andthencheck.3).Trytocompletethestoryinexercise3page20.Step4:Homework.1.Reviewthetextandreaditfluently.Trytoretellthedevelopmentofthecomputer..2.FinishPage56Ex.2.&3V.B

7、lackboarddesign.Unit3ComputersLanguagepoints1.common;as;lonely;connect;anyhow;have…incommon;workout;goby;2.Ittook+一段时间+before+从句(一般过去时so/such...that引导结果状语从句