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    高中英语外研版 (2019)选择性必修 第二册Unit 6 Survival课堂教学课件ppt

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    这是一份高中英语外研版 (2019)选择性必修 第二册Unit 6 Survival课堂教学课件ppt,共52页。PPT课件主要包含了Reading,writing,Antarctica,space,the jungle,the cold,no air,no water,catch fish,melt snow等内容,欢迎下载使用。

    What is yur understanding f this title?Share yu ideas with thers
    Hw much d yu knw abut Mars?
    火星(英语:Mars;拉丁语:Martis;天文符号:♂),是距离太阳第四近的行星,也是太阳系中仅次于水星的第二小的行星,为太阳系里四颗类地行星之一。欧洲古称火星为“马尔斯 [43] ”,古罗马神话中的“战神”,也被称为“红色星球”。古汉语中则因为它荧荧如火,位置和亮度时常变动而称之为荧惑。其橘红色外表是因为地表被赤铁矿(氧化铁)覆盖,火星的直径约为地球的一半,自转轴倾角和自转周期则与地球相近,但公转周期是地球的两倍。火星亮度最高可达-2.9等,但在大部分时间里比木星暗。
    火星大气以二氧化碳为主(95.3%),既稀薄又寒冷,遍布撞击坑、峡谷、沙丘和砾石,没有稳定的液态水。南半球是古老、充满撞击坑的高地,北半球则是较年轻的低地平原。火星上最大的火山—奥林帕斯山和最大的峡谷—水手号峡谷。火星有两个天然卫星:火卫一和火卫二,形状不规则,可能是捕获的小行星。根据观测的证据,在火星观察到类似地下水涌出的现象,南极冰冠有部分退缩,雷达数据显示两极和中纬度地表下存在大量的水冰。
    火星有美国宇航局和欧洲发射的四艘在轨环绕探测器,分别是奥德赛号、火星快车号、火星全球勘测者和MAVEN火星探测器。表面还有多个美国的火星车,如好奇号、洞察号以及结束任务的火星探路者号、凤凰号、勇气号和机遇号等等。2021年5月15日,科研团队根据“祝融号”火星车发回遥测信号确认,“天问一号”着陆巡视器成功着陆于预选着陆区,我国首次火星探测任务取得圆满成功.
    Pre-reading
    D yu really knw abut Mars?
    Chse the magazine in which yu wuld mst likely find the passage and give yur reasns.1 The Traveller2 All Abut Space3 Envirnmental Cncerns4 Bilgy fr Fun
    1 What is Plan A? Why is Plan B needed?2 Why Mars?
    While-reading
    Read and check yur predictin.
    Para. 1 _______ t life n Earth
    Para. 2 _____________?
    In the 1960s and 1970s, the greatest fear was that… culd be wiped ut by nuclear missiles.Tday, hwever, envirnmental prblems have taken ver as the greatest risk t life n Earth.
    Mars is relatively clse t Earth and has a ____________ envirnment than that f ther planets.
    less hstile /ˈhɒstaɪl/
    Para. 1 Risks t life n Earth
    Para. 2 Why Mars?
    nuclear missiles → envirnmental prblems
    Hw far have we gne in explring Mars?They are mentined t ___________________________________ _________________________________.
    less hstile
    Mars Village in Nrth-west China’s Qinghai Prvince
    Mars Desert Research Statin
    shw that ur interest in Martian explratin is greater than ever befre
    Para. 3-4 _______ in explring Mars
    Para. 3:Since the 1960s, we have been sending unmanned spacecraft t Mars.… space agencies f varius cuntries are planning manned missins t Mars…Para. 4:Staying alive… will nt be impssible. Bisphere 2 experiment ... Scientists have succeeded in grwing plants in an envirnment similar t that n Mars.
    Chse the statements that can be inferred frm the passage.
    Humans have yet nt visited Mars. Peple want t g t Mars n hliday.There are plants grwing n Mars. The greatest risk t life n Earth used t be nuclear missiles.One day, humans will have t g and live n anther planet.Our Plan A includes develping renewable energy resurces.The Bisphere 2 experiment ended in failure.
    Para. 3-4 Effrts in explring Mars
    Des it mean we give up Plan A?
    Para. 5 “We need t take much better care f ur wn planet.”
    Think & Share
    Which is better, t live n Mars r t slve Earth’s prblems? Why?What theme d the tw reading passages (The Wild Within &Life n Mars) in this unit have in cmmn? On what aspects des each passage fcus?The tw passages share the theme f prtecting ur living envirnments. The first passage fcuses n balancing nature and urban develpment, and the need fr harmny between humans and animals. The secnd passage fcuese n ur need t prtect Earth even if we intend t settle n ther places such as Mars.
    Language Pints
    In the 1960s and 1970s, the greatest fear was that the human race, and pssibly all advanced life frms n the planet, culd be wiped ut by nuclear missiles, just at the push f a buttn.
    advanced/lwer life frms 高级/低级的生命形式wipe ut 彻底摧毁;消灭nuclear missiles 核导弹at the push f a buttn 引申为“轻易地,容易地”
    ◆advance n. 前进,进步,进展 v. 前进,促进,提前
    make great advances in 在...取得巨大进步/进展
    ◆advanced adj. 高等的,先进的,高级的
    在20世纪6070年代,最大的恐惧是,只需按下一个按钮,人类--甚至可能是地球上所有的高级生命体--就可能被核导弹彻底毁灭。
    Scientists are thinking f ways t lwer this risk, such as replacing cal and il with frms f renewable energy.
    lwer this risk 降低这种风险renewable energy 可再生能源
    replace vt. 取代;替换;代替;把...放回原处
    replace ... by/ with... 用...替换 ... as ... 取代...而成为...
    But they are als preparing fr the wrst: what can we d if the terrifying scenes in films such as The Day After Tmrrw happen in real life?
    ◆prepared adj.准备好的
    be prepared fr sth.=get ready fr sth. 为…做好准备be prepared t d sth. 准备做某事
    ◆prepare v. 准备
    prepare sth. 准备…… prepare fr sth. 为……做准备 prepare sth. fr... 为……准备某物 prepare sb. fr sth. 使某人为……进行准备 prepare t d sth. 准备做某事
    ◆preparatin n. 准备
    make preparatins fr... 为……做准备 in preparatin fr为……做准备
    The mst likely chice is Mars, which is relatively clse t Earth and has an envirnment less hstile than that f ther planets. 可能性最大的选择是火星,它离地球相对较近,环境也不像其他星球那么恶劣。Mre recently, scientists have succeeded in grwing a variety f plants in an envirnment similar t that n Mars. (para.4)最近,科学家们在类似火星的环境中成功地培育出了多种植物。
    that用作替代词, 指代上文提到的名词 
    Mars has fascinated peple since ancient times, and tday ur interest in Martian explratin is greater than ever befre.
    Martian explratin 火星探测
    Mre gvernments and rganisatins are making effrts t educate the public n the Red Planet, fr example, ...
    make effrts t d sth. 努力做某事
    Since the 1960s, we have been sending unmanned spacecraft t Mars. Our prbes have rbited the planet, sending back valuable data and stunning images.
    unmanned spacecraft 无人驾驶宇宙飞船manned spacecraft 载人宇宙飞船manned missins 载人任务stunning images 令人惊奇的图像
    自20世纪60年代以来,我们一直在向火星发射无人飞船。我们的探测器已经绕火星轨道运行并发回了宝贵的数据和令人惊叹的图像。
    Encuraged by discveries ver the years, space agencies f varius cuntries are planning manned missins t Mars that culd take place within the next 25 years.
    space agencies 航天局take place 发生;举行
    受到多年来这些发现的鼓舞,各国航天机构正计划在未来25年内进行载人飞船登陆火星的任务。
    There is n dubt that humankind is drawn twards Mars, with dreams f making it ur secnd hme.
    While the Mn can be reached within days, it wuld take mnths t reach Mars, travelling thrugh dangerus slar radiatin.
    slar radiatin太阳辐射
    And even if the first settlers d reach Mars safely, they may nt be able t return t Earth -ever.即便第一批定居者确实能够安全抵达火星,他们也可能永远无法返回地球。Althugh the tw­year experiment was nt a success, it did prvide us with a better understanding f hw humans might be able t live n anther planet. (para.4)虽然这项为期两年的实验并未取得成功,但它确实让我们更好地了解了人类如何能够生活在另一个星球上。
    d/des/did+动词原形:用于强调谓语  
    It cnsisted f a clsed space in which peple, animals and plants culd live tgether.
    cnsist f =be made up f /be cmpsed f 由...组成
    cnsist in 在于,存在于
    In the meantime, scientific research shws that the planet Earth is getting warmer.
    in the meantime 在此期间,与此同时
    This change is being caused by human activity and is having a terrible effect n the bisphere.
    have a(n). n... 对……有……影响
    expse v.使暴露(于险境);揭露;使曝光;使接触到…
      使…暴露于…;使…接触…be expsed t... 暴露于…
    Read the stry and answer the questins.
    Pre-writing
    It’s been a week since the ther astrnauts left Mars and went back t Earth, accidentally leaving me here alne. I was caught in a dust strm and lst cntact with them.After resuming cmmunicatin with the base five days later, I was infrmed that it will be eight mnths befre a rescue missin arrives frm Earth.
    Frtunately, I have shelter, because the landing capsule prtects me frm the deadly radiatin utside. The capsule is pwered by a small nuclear plant. It might have just enugh electricity fr eight mnths, if nthing ges wrng. What’s mre, my spacesuit keeps me safe frm expsure t the Martian surface fr up t several hurs at a time.
    Water and xygen were my biggest wrries at first, but I’ve discvered an undergrund ice depsit nearby. I can reach the ice with ur survey tls. That’s lucky, because I can drink the water frm the ice and als use it t prduce xygen when I run lw.Nw I am wrried abut fd. There is nly enugh fr ne persn fr fur mnths — fur mnths shrt f
    what I need. Part f ur missin was t experiment with grwing plants in the Martian sil, s I have seeds f varius kinds. I must wrk ut hw t farm n Mars. If I can slve that challenge, and if the electricity supply hlds, I can survive until I am rescued. There’s still hpe!
    1. Where is the persn in the stry?
    The persn in the stry is n Mars.
    2. What difficulties is he facing?
    He has t keep himself safe frm the deadly radiatin utside. And he is facing the lack f water, xygen and fd.
    4. What will he d next?
    He will wrk ut hw t farm n Mars and grw plants with seeds.
    3. What has he already dne t stay alive?
    He has resumed cmmunicatin with the base. He has discvered an undergrund ice depsit t get water, and prduce xygen with the water.
    What des a survival stry usually include?
    survivalstry
    What are the dangers?
    Where is the dangerus place?
    Hw d yu manage t survive?
    Hw d yu feel?
    Think abut the detailed answers t the fur questins f pre-writing part and try t write a survival stry based n the fur parts.
    a ttally strange place
    mre answers
    While-writing: Thinking and Writing
    wild animals
    Think abut the detailed answers t the fur questins f pre-writing part and try t write a survival stry based n thse answers.
    hunt fr fd and water
    make a fire
    pessimistic
    Nw write a survival stry.
    Please keep in mind the fur necessary elements t be included in a survival stry: where is the dangerus place / what are the dangers / hw d yu manage t survive / hw d yu feel.Try t use sme wrds and expressins yu have learned.D further research if necessary.
    G beynd difficulties One day several mnths ag, I wandered int a jungle aimlessly. At first, excitement tk ver anxiety, hwever, with the time passing by, I knew I had t figure ut hw I culd survive and g ut. Withut dubt, survival is the tp pririty. In rder t
    Think abut the fur necessary elements f the survival stry and try t write a survival stry based n thse questins.
    survive, fd, especially water, must be fund as sn as pssible. Althugh it tk me lts f time t think ut the ways t get water, my hard wrk finally paid ff with a creek, which flwed slwly and quietly, cming int my sight. Keeping myself safe is als anther pririty. I stayed alert all the time, ding everything I culd t avid making nises. By ding these all, I accmplished the survival in the jungle.
    While managing t survive, I actively searched fr the every pssible way t cme ut, smetimes by finding the light, smetimes by listening quietly t the sunds. Where there is a will, there is a way. A path leading t the utside wrld was eventually discvered. After this experience, I became mre and mre ptimistic when facing bstacles.
    Pst-writing: Evaluatin
    Pst-writing: Reference Text
    What an Adventure! It’s been three days since I gt separated frm the ther team members. We went hiking tgether n Mnday, but became separated due t a heavy rainstrm. Withut a cmpass, I lst directin, and nw I am lst in dense jungle. There are n rads at all, s I have t make my wn way step by step. I have hurt bth my hands quite badly frm all the thrns — they are everywhere. T make things
    wrse, I stumbled and sprained my ankle. The pain is killing me! Snakes, mnkeys, insects and ther animals appear frm time t time. Yesterday, I heard the rar f a tiger frm far away. I was terrified! I rub sticks tgether t make a fire every night t keep myself warm and safe. It’s really a difficult technique t master, and it takes me several frustrating and wrrying attempts every evening. I have t remind myself t be calm and ptimistic at every mment.
    Fd als wrries me a lt. I’ve been eating berries t appease my hunger, but I have t be very careful t avid anything pisnus. Tday I have sme luck when I find a stream which I can fllw. It gives me great hpe. I’m cnfident that I can find my way ut! This will have been the mst memrable adventure f my life!
    What an Adventure! It’s been three days since I gt separated frm the ther team members. We went hiking tgether n Mnday, but became separated due t a heavy rainstrm. Withut a cmpass, I lst directin, and nw I am lst in dense jungle. There are n rads at all, s I have t make my wn way step by step. I have hurt bth my hands quite badly frm all the thrns – they are everywhere. T make things
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        新外研社高中英语选择性必修二Unit6 Survival-Developing Ideas课件
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