【课件】Unit+4Reading+and+Thinking+课件-人教版必修第三册.pptx

Unit4SpaceExplorationPeriod2ReadingandThinkingCriticalThinking批判性思维Isitworthwhilefortheastronautstoexplorethespace?Why?n.边境；国界；边远地区FRONTIERSPACE:THEFINAL标题源于美国系列连续句《星际迷航》(StarTrek)每一集最初的引语，是剧中人物JamesKirk舰长的一段独白。宇宙最后的边疆Space,thefinalfrontier.1.ThereareeightplanetsintheSolarSystem太阳系.2.Footprintsleftbyastronautsonthelunarsurface(月球表面)woulddisappear.3.ThehottestplanetinthesolarsystemisVenus(金星) 462℃4.Thehumanbodywillexplodeins如果去太空不穿宇航服会怎样?首先10没有保护不憋气的情况下，暴露外太空中半分钟不会造成永久性伤害，可能会损伤你的肺或者耳鼓。但是你不会立即凝爆炸，血液也不会沸腾，也不会冻死，也不会马上失去知觉。整个过程十分难熬，在暴露10秒钟之后，强烈的室息感让你不安，你会被超强的阳光灼伤，身体会瘫痪和抽搐，身体不断的肿胀，心率先上升随后快去下降。因为皮肤的循环系统，热量不会即刻离开人体，只有在氧气耗尽后才失去知觉，但也就是一分钟的事情。炸了。5.Thereisnosoundinspace.T大声点Becausethereisnoairinspace,andairtransmitssound.Whatinformationwillwegetfromthetext?SPACE:THEFINALFRONTIERChallengerafterJadeR4bbittheaccident”挑战者号航天飞机-challengerASolenWGGsci●theexplorationonthemoonaccidentsduringtheexplorationfacilitiesandequipment spacesuit●desire●astronauts●developmentand●importance●futureprogress■■■1.Whatdoyouthinkarethemainreasonsforspaceexploration?Tofurtherhumanexplorationandtogatherknowledgeoftheuniverse.2.Whatdoyouexpecttoreadaboutinthistext?科普文又称大众科学或普及科学，是以浅显、Thefutureofspacetravel.通俗易懂的文字让公众了解科技领域的知识的3.Whatkindofpassageisit?一种文章。其特点：短小性、知识性和准确性、文学性、思想性。阅读时，可看作是科技说明Popularsciencearticle.(科散文)4.Wherecanyoufindthiskindofpassage?Newspaperormagazine.新教材Readthetext.Severalsentenceshavebeenremovedfromit.Choosethecorrectsentencetofilleachgap.SPACE:THEFINALFRONTIER填补每个缺口Thesedisastersmadeeveryonesadanddisappointed,butthedesiretoexploretheuniverseneverdied.Thisisbecausepeoplebelieveintheimportanceofcarryingonspaceexplorationdespitethehugerisks.AnexampleofthisongoingworkistheInternationalSpaceSta