下学期Unit18b高二英语课件

…Inthelasttenyears:DVD，ball-pen，thefirstfilmwithsound(美国华纳兄弟电影公司拍摄的《爵士乐歌手》)，computer，creditcard，hydrogenbomb(氢弹)，videorecorder(录像机)，Unit18warmingup，microwaveoven，email，pockettransistorradio(晶体管收音机)，laptopcomputer，theclonedsheepDolly，wordprocessorsoftware，TV，listening&speakingthecompasspaperPrintingGunpowderTopTenInventionsofAllTimesLaserLightbulb/ElectricityAirplanesPrintingPressAutomobileTelegraphyRadarRadioPenicillinMicrochipThefirsttwentyyearsinthe20thcentury:plane，laser(激光)，atomicbomb，cableTV，weight-reducingdrink，frozenfood，tape-recorder…Inthe1940sand1950s：nylonstockings，trafficlights，jeep，man-madeliver(人造肝脏)，sleepingpill，“奔腾”处理器，垒高儿童拼装玩具水翼船Inthe1960sand80s:mouse，penicillin青霉素(inventedbyAlexanderFleming)，auto-watch，message/MSN(短信),coffee，Inthe1930s：worldcup，KFC，cannedbeer，scanner，sunglasses，papercups…Inventionsinthe20thcentury:Inthe1920s:robot，electricshaver，can，zebracrossing，cassette，colorTV，mobilephoneandwalkmanCDROM，thehy-wirecar…Warmingup1)Individualwork:Isthereanythingyouwouldliketoin，