高中英语 unit3 the world online welcome to the unit教案 牛津译林版选修7

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1、高二英语教案Unit3TheworldonlineWelcometotheunitTeachingaims:1.EnablethestudentstoknowmoreabouttheInternetandtalkabouttheInternetanditsusesbymakingadebateontheeffectsoftheInternetonourlives;2.Developthestudents’speakinganddiscussingskillsbytalkingaboutthefourpicture

2、sandsharingideasinagroup;3.HaveafluenttalkonthattheInternetconnectspeopleallovertheworldandthattheInternethasbothpositiveandnegativeaspects.Teacingprocedures:Step1Lead-inLearnabout“computerterms”.(1)Whichprogrammewouldyouliketowatchtonight?→Aprogramissomethin

3、gthatweusetocontroloroperateacomputer.(2)Themusicfromthekeyboardsoundslikemusicfromarealpiano.→Akeyboardisasetofkeysonacomputerthathelpyouoperatethecomputer.(3)Ihatetocleanwindows.→WindowsisakindofcomputerprogramdevelopedbyMicrosoft.(4)Memoryissomethingyoumay

4、starttolosewithage.→Memoryisaspaceintheharddriveofacomputertostoreinformation.(5)Juliewantstohaveapetmouse.→Mouseiswhatyoucontrolwithhandtomovethecursoronthecomputerscreen.Step2Brainstorming1.Doyouknowhowpeoplekeptintouchwitheachotherinthepast?→Peopleusedlett

5、ers,postcards,telegraphs,faxesandtelephonestocommunicatebeforetheinventionoftheInternet.2.Thenhowpeoplekeepintouchwitheachothernow?→WiththedevelopmentoftheInternet,moreandmorepeoplearenowusingcomputersandtheInternetforcommunication.3.WhatistheInternet?→TheInt

6、ernetisacollectionofcomputersconnectedinaworldwidenetwork.4.WhatarethefunctionsoftheInternet?→Chatting,shopping,music,etc.5.WhatareyourexperiencesusingtheInternet?Step3PicturestalkingPicture11.Whatcanpeopledoonthiswebsite?(Searchforinformationonavarietyoftopi

7、cs.)2.Whatdowecallthiskindofwebsitethatprovidessearchingservices?(Wecallitsearchengine.)3.HowtofindinformationontheInternetusingasearchengine?(Enterkeywords.)4.Whatsearchenginesdoyouknoworoftenuse?(Google,Baidu.)Picture21.Whatdoyouthinkwouldbetheadvantagesofs

8、hoppingonline?(Asonlineshopkeepersdonothavetopayfortherentalofarealshop,theproductssoldonlineareusuallycheaperthanthoseinrealshops.Itiseasyandconveninenttocompareaproductinseveralonlinesh