选择性必修 第二册Unit 6 Survival教课课件ppt

这是一份选择性必修 第二册Unit 6 Survival教课课件ppt，共35页。PPT课件主要包含了second，risks，Mars等内容，欢迎下载使用。
cmplete a quiz abut Mars;figure ut the structure f the passage;find ut the detailed infrmatin in the passage;cnduct an interview abut living n Mars;write a survival stry.
restrict 限制，控制--restricted adj.受限制的，保密的--restrictin n.限制规定，限制法规e.g.I have t restrict myself t ne bwl f rice a meal.我限制我自己每餐只吃一碗饭。
react (作出)反应--reactin n.反应，回应，反应能力--reactive adj.反应的，电抗的e.g.I dn't knw hw he will react.我不知道他会做出什么样的反应。
rbit 环绕运行--rbital adj.轨道的，（公路）环城的--rbiter n.人造卫星，盘旋物，宇宙飞船，轨道飞行器 tw spacecraft succeeded in linking up in rbit.两艘宇宙飞船成功在轨道上对接。
infer 推断，推定，暗示--inference n.推断，推理，推断结果 can we infer frm the passage?我们可以从文章中推断出什么信息？
1. Mars is the ____ smallest planet in the slar system. a. secnd b. third c. furth2. The surface f Mars is cvered in ________. a. rcks b. water c. grass3. The average recrded temperature n Mars is ____. a. 40 C b. 2 C c. -63 C4. One day n Mars is abut _________ lng. a. 18hurs b. 24hurs c. 37hurs
What des the title mean?
The title means mving t Mars ne day will be human beings’ _______ chice fr survival.
Read fr structure.
1．Para. 1 is abut the _____ t life n earth.2．The risks are _______________and _____________________.
nuclear missiles
envirnmental prblems
Careful-reading
3．What are the slutins t the risks?
But scientists are als preparing fr the wrst：Plan B.
Let’s enjy the film The Day After Tmrrw mentined in para 1.
1．One ptin is t _____________________ t see if we culd live n them. The mst likely chice is ______.2．Why is Mars ur Plan B?
explre ther planets
Because Mars is relatively clse t Earth and has an envirnment less hstile than that f ther planets.
Let’s enjy the film The Martian《火星救援》mentined in para 2.
1．Hw d human beings explre the Mars?
Sending unmanned spacecraft t Mars；rbts have explred the Martian surface；space agencies f varius cuntries are planning manned missins t Mars.
2．What are the challenges f mving t Mars？Find them in para.4.
(1)Sending peple there will require all the skill，curage and intelligence f the human race.(2)It wuld take mnths t reach Mars，travelling thrugh dangerus slar radiatin.(3)Even if the first settlers d reach Mars safely，they may nt be able t return t Earth—ever.
the Bisphere 2
Chse the magazine in which yu wuld mst likely find the passage?
Bilgy fr Fun
Envirnmental Cncerns
All Abut Space
The Traveller
1．Chse the statements that can be inferred frm the passage.1 Humans have yet nt visited Mars.2 Peple want t g t Mars n hliday.3 There are plants grwing n Mars.4 The greatest risk t life n Earth used t be nuclear missiles.5 One day，humans will have t g and live n anther planet.6 Our Plan A includes develping renewable energy resurces.7 The Bisphere 2 experiment ended in failure.
Human beings are faced with serius 1._____________(envirnment) prblems, which lead scientists t cnsider mving t Mars 2._____ the envirnment is less hstile than 3.____ f ther planets.Mars 4.______________(fascinate) peple since ancient times and relevant mvies als gain much 5.__________(ppular)．Spacecraft and rbts have been sent t explre Mars since the 1960s，encuraging mre 6._________(cuntry) t plan manned missins.There is n dubt that humankind 7.________(draw) twards Mars despite sme challenges,8.___ human settlement f Mars is still decades away.We have t admit that 9.__________(prtect) ur earth is the mst urgent step right nw.We need t take much better care f 10.____(we) wn planet.
envirnmental
has fascinated
Nw wrk in pairs. Find evidence t supprt yur chices.
Humans have yet nt visited Mars.
One ptin is t explre ther planets t see if we culd live n them.
4. The greatest risk t life n Earth used t be nuclear missiles.
In the 1960s and 1970s, the greatest fear was the human race, and pssibly all advanced life frms n the planet, culd be wiped ut by nuclear missiles.
6. Our Plan A includes develping renewable energy resurces.
Scientists are thinking f ways t lwer this risk, such as replacing cal and il with frms f renewable energy.
7. The Bisphere 2 experiment ended in failure.
The tw-year experiment was nt a success, it did prvide us with a better understanding f hw humans be able t live n anther planet.
What’s the authr’s purpse in writing the passage?
The authr’s purpse is t raise public awareness f envirnmental prtectin by pinting ut the tiny pssibility f ur mving t Mars in the future.
Think and share
1. Wuld yu like t be ne f the first peple t live n Mars? Why r why nt?2. Which is better, t live n Mars r t slve Earth's prblems? Why?
N. It is hard t say if the cnditins n Mars are safe and prper fr human beings t live n it.
I think that it is better t try t slve Earth's prblems. On the ne hand, Earth is the place where life began, where life has lived fr billins f years. On the ther hand, it is easier and safer fr us t prtect and save ur planet than t mve t anther distant planet.
3. Can yu think f a “Plan C” t save peple frm the prblems n Earth?
All cuntries get tgether t create the Cmmunity f Shared Future fr Mankind. In pursuing its wn develpment, any cuntry prmtes the cmmn develpment f all cuntries. All shuld be aware that there is nly ne earth fr mankind and all cuntries live in ne wrld. Cuntries shuld respect each ther and treat each ther as equals, pursue win-win cperatin fr cmmn develpment, ensure the security f cmmn cmprehensive cperatin and sustainable develpment, and prmte inclusive exchanges and mutual learning amng different civilizatins.
4. What theme d the tw reading passages 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 fcuses n ur need t prtect Earth even if we intend t settle n ther places such as Mars in future.
Pair wrk. Cnduct an interview abut living n Mars.
1. Decide yur rles.2. Lk at the sample questins abut living n Mars and add any mre yu can think f. Then write dwn sme answers.
Sand dunes and stnes are widespread, but dust strms stps me frm seeing nthing.
It is extrememly hard t g ut f the craft. Many unknwn risks utside may ccur.
We depend upn instant fd fr a living. The ready-t-use fd were carried with us by craft.
Cmpared t Mars, Earth is really a paradise -- a perfect place t live fr all the livings.
据国内媒体“China daily”（中国日报）报道，中国航天科技公司公布载人登陆火星的计划，现招募首批火星居民。假设你是李华，对该计划很感兴趣，要写一封申请信。要求包括以下要点：个人优势 （对火星的了解，性格，所具备的技能）参加原因希望获准注意:1. 字数80左右;2. 可以适当增加细节，以使行文连贯