北师版英语必修2Unit 4 Lesson 1 Tomorrow’s World PPT1.ppt

unit4 cyberspace lesson1tomorrow sworldthefutureofcyberspace step1warmup moderntechnology 现代科技 helpsusdomanythings digitalcameras数码相机 mp3 computers robots 机器人 theinternet cellphones 无线电话 cd compactdisc 光盘 dvd digitalvideodisc 数字化视频光盘 step1warmup butmoderntechnology 现代科技 canalsocauseproblems workinsmallgroupsof4anddiscuss group1 theadvantages 优点 ofrobotsgroup2 thedisadvantages 不足 of robots group3 theadvantagesof computers group4 thedisadvantagesof computers 1 robotscanworkindirtyanddangerousplaces 2 robotscanworkwithoutsleepandfood robotscan tthinkormakedecisions 2 peoplemaylosejobsifrobotsareusedinsteadofhumans computersareexpensive computerscan tthinkormakedecisions computershelpusworkfaster 2 computerscanhelpussolvedifficultproblems step2guessing whichofthesetopicsdoyouthinkitwillmention readfastandfindout theinternetartificialhumantimetravelrobotsglobalwarmingvirtualreality 虚幻 模拟现实 step3discussion takeoutasheetofpaper workingroupsof4andwritedownthestructureofthepassage 文章的写作结构 tips 提示 从文章的两类人的观点着手 1 whyaresomeexpertspessimistic 悲观的 aboutthefutureoftheinternet 2 whyaresomepeopleoptimistic 乐观的 aboutthefutureoftheinternet pessimistic hackers cyberterrorists now inthefuture cybercriminal optimistic inthefuture virtualreality work shop study getentertainment tv postalservicewilldisappear already inthenextfewyears shopontheinternet getinformation buybooks findoutholidayoffers booktickets thestructureofthepassage 文章的写作结构 bad pessimistic 悲观的 good optimistic 乐观的 howdoesthecomputerandthenetaregoingtoaffectourlives topicsentence 中心句 step4guessthemeaning readthearticleagainandmatchthevocabularyfromthetextintheboxbelowwiththedefinitions cybercriminalhackercyberterroristthenet internet virtualrealitye mail line12 line13 line16 line1 26 line43 line41 guessthemeaningfromthecontext 上下文 1cybercriminal 2e mail 3virtualreality 4cyberterrorist 5thenet internet 6hacker keys step5 enjoythereading step6creationandspeaking afterreadingthearticleanddiscuss whatwillyoudotobringthemachinesandpeoplebothtogetherandmaketheworldbeautifulagain getonetoreporttheopinionsofyourgroupmembers thanksforlistening usefulexpressions step1 1 affectourlivesline11 inthelastthirtyyears inthepastthirtyyearsinthepastline42 connecttoline103 bepessimisticabout 在过去的三十年里 在过去 连接到 对 悲观 影响着我们的生活 line216 beoptimisticaboutline247 findoutholidayoffersline258 allsortsofline3210 ahugegrowthofshoppingonthenetline3611 getentertainmentline3912 mailserviceline4613asif asthough 对 乐观 各种各样的 网上购物大增长 进行娱乐活动 邮政服务 似乎 好像 查找节日特惠价 step2practice 1 thenewlawwillbeputinto nextmonth doyouthinkitwill yourlife a effect affectb effect effectc affect affectd affect effect2 你把这根电线和电视机连上好吗 willyou thiswire thetelevision 3 这个人与那宗犯罪有关 thisman thecrime a connect to with is connected with 4 尽管我们有许多困难 但我们应当乐观地对待生活 weshouldbe ourlife weareingreattrouble 5 fivedollars that smylast allright that sadeal a opportunityb amountc supportd offer optimistic about though d 名词 出价 提供的帮助 6 whenheheardourdifficulty he tohelp a offeredb suggestedc supportedd said7 howbeautifulthispictureis itlook