北师大版高中英语必修2课件Unit4Warmup新.ppt

北师大高一 2 unit4 unit4cyberspace warm up totalkaboutinternetandvirtualrealitywiththefollowingwords robotartificialhumancyberspaceglobalwarmingvirus inthisunityouwill readabouttheinternetandvirtualreality listentoaphoneconversation radioprogrammesandasong practisetelephoningandmakingsuggestions writeane mailmessageandaninternetpageaboutyourarea learnhowtomakepredictionsaboutthefuture learnaboutconditionals cyberspaceistheelectronicmediumofcomputernetworks inwhichonlinecommunicationtakesplace itisvirtualspacewepassthroughwhensurfingtheinternet whatiscyberspace haveyoueverwrittenane mailmessage readorwritteninternetpages howdoyouusethecomputerandhowoftendoyousurftheinternet doyouwatchmoviesonthecomputer haveyouwatchedthefollowingmovies 2004 thedayaftertomorrowisamovieaboutglobalwarmingandhowitwilldestroycitiesandchangetheworldinthefuture thedayaftertomorrow 2001 a i a iisasciencefictionmoviedirectedbystevenspielberg inthefuturehumanswillcreatrobotsthatareabletofeellove inthemovie ayoungrobotboyisgiventoarealhumanfamily helovedthembuttheydesertedhim hethenpainfullydiscoveredthatheisarobotandsetsoffonajourneytofindawaytobecomereal 1866 fromtheearthtothemoonisabookaboutpeopletravelingtothemoon haveyoureadthebooks 1977 2004 themoviesthatmakeupstarwarsareaboutwarsinspace therearemanyamazingcharactersinthesemovies wordsreview readtheexplanationandspeakouttheworditexplains 汉语是我们的母语 我们从学英语开始 就是用汉语来解释和记忆英语的 变 用汉语解释和记忆英语 为 用英语解释和记忆英语 避免了将英语转换为另一种语言 汉语所带来的不便和时间耗费 不但提高了效率 而且久而久之 有可能在头脑中建立起两种思维系统 即在在汉语思维之外 还可以逐步建立起独立的英语思维系统 用英语解释和记忆英语 本身就是在学习和运用英语 对提高英语语感和英语的阅读理解能力和综合运用能力很有好处 是一举多得的好方法 真正做到了用英语品味英语 越品越有味 用英语理解英语 理解更准确 鉴于本环节初次尝试此种设置 可能有些学生对英语解释不能完全理解 为降低难度 英文解释后面可进一步演示中文解释 学生可再通过中文解释回顾早读课中已预习过的单词 进一步加深记忆 madebypeople oftenasacopyofsomethingnatural adj 人造的 artificial thegeneralweatherconditionsusuallyfoundinaparticularplace n 气候 climate relatingtothewholeworld adj 全球的 世界的 global tocausetofillorbecomecoveredwithwater especiallyinawaythatcausesproblems n 洪水 水灾vt vi 淹没 flood thestateofthingsastheyare ratherthanastheyareimaginedtobe n 真实 现实 reality anextremelysmallorganismwhichcausesdiseaseinhumans animalsandplants n 病毒 virus 1 whichofthefilmsandbooksmentionedonthispagehaveyouseenorread whichofthepredictionsinthem havealreadycometrue b doyouthinkwillcometrueinyourlifetime whatotherpredictionsdoyouknowfromsciencefictionbooksorfilmsthathavecometrue 2 listentofourexperts whichpredictionsaretheydiscussing usethekeywordstohelpyou keywordsrobot artificialhuman cyberspace planet sclimate globalwarming worldflooding timetravel virtualreality virus anelectro mechanicalmachine usuallyguidedbycomputerorelectronicprogramming andthusabletodotasksonitsown 2 onelookingandmovinglikeaperson robotartificialhuman guessthemeaningofthefollowingwords 3 acomputernetworkconsistingofaworldwidenetworkofcomputernetworks4 theweatherconditionsoftheworld5 theincreaseintheaveragetemperatureoftheearth snearsurfaceairandoceans globalwarmingcyberspaceplanet sclimate 6 animaginaryworld7 asmall livingthingthatcausespeoplesick asoftwareprogram8 movingbetweendifferentmomentsintimeorbetweendifferentpointsinspace9 alargeamountofwatercoveringmostoftheworld worldfloodingtimetravelvirtualrealityvirus answers 1 makingartificialhumans