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1、Unit4AmazingScienceTopic3SectionC教案Teachingaimsanddemands1.Mastersomenewwordsandphrases:doubt,nodoubt,tiny,cancel,connect,forinstance2.Goonlearningtheusageofobjectcomplement:A.Atthesametime,theyhavemadetheworkplacesaferandletter.B.Computershavemadetheworldsmaller,likea“village”.3.
2、Improvethestudents’readingskill.4.Discusstheusesofthecomputers.Teachingaids卡片/投影仪TeachingPlanStep1Review教师出示投影片：东方时空面对面独家访谈电脑的应用，让两组学生表演SectionA、B中的对话，复习以前学过的知识，为本课中的计算机知识和网络知识作铺垫。T:Wehavelearnedsomethingaboutspaceship.CanyouactoutthedialoginSectionA1a?S1、2、3:Wecan.T:WhataboutSect
3、ionB1a?S4、5:Wewanttohaveatry.T:Please.T:Now,pleaseanswerthequestions.教师提问SectionA、B中所设问题，复习以前学过的知识。T:(1)Isaspaceshipcontrolledbycomputers?(2)Isitimportanttomasterthecomputertechnology?(3)Whatcancomputersdoduringaspacetrip?学生一个接一个回答问题，教师给予适当补充，引入新课。T:Good!Computerscontrolthespeedan
4、dthedirectionduringaspaceship’sflightinspace.Theycanalsofixtinymistakesandcancelwrongorders,etc.Thereisnodoubtthatcomputersareusefulduringthespacetrip.Step2Presentation1.教师呈现以下问题，让学生根据自己的了解进行回答。(1)Dothecomputersplayanimportantroleduringthespaceflight?(2)WhatcancomputersandtheInter
5、netdoinourdailylife?(3)Canweworkoncomputerstoolong?Why?学生能回答一些问题，但不一定全面，教师建议学生带着这些问题，阅读1a。提高学生的阅读能力。T:Pleasereadthepassageandtrytofindouttheanswerstothequestions.学生阅读后，可与同伴讨论并给出答案。T:Nowlet’schecktheanswerstogether.找学生回答问题之后，核对答案。解释课文，激发学生提问，学生回答，教师补充。T:Doyouhaveanyproblemsinthepas
6、sage?S1:Yes.What’sthemeaningof…?S2,canyoutellme?S2:Yes,Ican.Itmeans…T:Welldone.Anymore?T:Findoutthekeysentencesofeachparagraphandgiveagoodtitletothispassage.Answers:Paragraph1:Computershavebecomeveryimportantinmanyareasofworkandplay.Paragraph2:Thereisnodoubtthatcomputersareveryuse
7、fulintechnologyandbusiness.Paragraph3:SincetheInternetcameintobeing,people’slivesathomehavechanged,too.Paragraph4:Computershaveimprovedourlives,buttheyhavebroughtproblems,too.T:Nowyoucanfinish1ballbyyourselves.Step3ConsolidationT:Boysandgirls,weknowthatcomputersareplayinganimporta
8、ntroleinourdailylife.Wealsoknowth
