1、外研版英语 选择性必修第二册Unit 6 Survival Period 3Developing ideas and Presenting ideasHave a quiz about Mars1.Mars is the _ smallest planet in the solar system.a.second b.third c.fourth2.The surface of Mars is covered in _.a.rocks b.water c.grass3.The average recorded temperature on Mars is _.a.40o Cb.2o Cc.-6
2、3o C4.One day on Mars is about _ long.a.18hours b.24hours c.37hours Suggested answers:1._;2._;3._;4._aacbWork out the main idea of each paragraphPara 1Para 2Para 3Para 4Para 5Considering great risks to life on Earth,humans Plan B for Earth is put forward.Humans choose to explore Mars to see if we co
3、ud live on it.Humans have made efforts to land on Mars for researches.In order to make Mars a second home,humans have conducted experiments about the environments similar to that on Mars.Before human settlement of Mars,we should protect the earth better.Reading comprehension1.From which of the follo
4、wing magazines would the passage most likely be excerpted?Give your reasons.A.The TravellarB.All About SpaceC.Environmental Concerns D.Biology for Fun Suggested answer:_.Your reasons:BIn order to survive,humans began a series of explorations to Mars and made some progress.So this article should be t
5、aken from a magazine about space.Reading comprehensionChoose the statements that can be inferrd from the passage.A.Humans have yet not visited Mars.B.People want to go to Mars on holiday.C.There are plants growing on Mars,D.The greatest risk to life on Earth used to be nuclear missiles.E.One day,hum
6、ans will have to go and live on another planet.F.Our Plan A includes developing renewable energy resources.G.The Biosphere 2 experiment ended in failure.Suggested answer:_A,D,E,GInference&Evidence A.One option is to explore other planets to see if we could live on them.D.In the 1960s and 1970s,the g
7、reatest fear was the human race,and possibly all advanced life forms on the planet,could be wiped out by nuclear missiles.E.There is no doubt that humankind is drawn towards Mars,with dreams of making it our second home.For now,human settlement of Mars is still away.G.The two-year experiment was not
8、 a success,it did provide us with a better understanding of how humans be able to live on another planet.Post reading:Thank&Share1.Would you like to be one of the first people to live on Mars?Why or why not?2.Which is better,to live on Mars or to solve Earths problems?Why?No.It is hard to say if the
9、 conditions on Mars are safe and proper for human beings to live on it.I think that it is better to try to solve Earths prblems.On the one hand,Earth is the place where life began,where life has lived for billions of years.On the other hand,it is easier and safer for us to protect and save our plane
10、t than to move to another distant planet.Thank&Share3.Can you think of a“Plan C”to save people from the problems on Earth?All countries get together to create the Community of Shared Future for Mankind.In pursuing its own development,any country promotes the common development of all countries.All s
11、hould be aware that there is only one earth for mankind and all countries live in one world.Countries should respect each other and treat each other as equals,pursue win-win cooperation for common development,ensure the security of common comprehensive cooperation and sustainable development,and pro
12、mote inclusive exchanges and mutual learning among different civilizationsThank&Share4.What theme do the two reading passage in this unit have in common?On what aspects does each pasage focus?They are both about the problem of survival.The first passage focuses on th esurvival crisis of animals whil
13、e the second passage concentrates up on the survival of human beings and the efforts people have made.How to live on Mars What can you see from the window of the spacecraft?Can you go out?How do you get food on Mars?What do you miss about Earth?AnswersConduct an interiewQuestions Answers1.What can y
14、ou see?2.Can you go outside?3.How to get food on Mars?4.What do you miss about Earth?Sand dunes and stones are widespread,but dust storms stops me from seeing nothing.It is extrememly hard to go out of the craft.many unknown risks outside may occur.We depend upon instand food for a living.The ready-
15、to-use food were carried with us by craft.Compared to Mars,Earth is really a paradise-a perfect place to live for all the livings.Returning to EarthBefore writing Its a week since the other astronauts left Mars and went back to Earth1.Where is the person in the story?He is on Mars.I was caught in a
16、dust storm and lost contact with them.The capsule is powered by a small nuclear plant.It might have just enough electricity for 8 months,if nothing goes wrong.Now I am worried about food.There is only enough for one person for 4 months.2.What difficulties is he facing?He was left alone on Mars;losin
17、g contact with others;electricity for 8 months;food for one person for 4 months After resuming communication with the base five days later,I was informec that it will be 8 months before a rescue mission arrives from Earth Water and oxygen were my biggest worries at first,but Ive discover an undergro
18、und ice deposit nearby.3.What has he already done to stay alive?He has resumed communication with the base.Whats more,hes discovered an underground ice deposit nearby.4.What will he do next?He must work out how to farm on Mars.Writing:How to survive a dangerous place Where is the dangerous place?eg.
19、Antarctic,space,the jungle What are the dangers?eg.animals,the cold,no air How do you manage to survive?eg.catch fish,melt snow,make a fire How do you feel?fident,anxious,optimistic Share your survival story with the classFor me.it is not a dream but a lonely island I am living on.Faced with a tropi
20、cal heat,I must find drinking water within hours,or he will become a piece of fry wood before leaving here safely.Without water,anyone may survive for only three days.Without food,he or she can only survive for three weeks.Surrounded by beautiful coral reefs,I have to make nets or fishhooks to catch
21、 fish,but I also has to avoid the deadly sharks that inhabit the island.In addition,I has to make a fire to build proper shelters to hide from dangers like poisonous snakes.I cant only wait to be saved It is crucial for me to learn how to make fire and get something to drink and eat as soon as possi
22、ble.Luckily,I manage to have the first tasty meal on the island.Looking at the shining stars,I am confident that tomorrow is a struggling but meaningful day.The green lizardssurvival1.What happened to the green lizards?They were in trouble because a tougher species,the brown lizards,were introduced
23、from Cuba.The lizards didnt have enough food.Under the pressure from the new arrivals,they moved highter up the trees.2.What is the main message of the text?Animals change themselves to adapt to the changes in their environment.Work in groups Talk about how to adapt to the changes in the environment
24、 and offer evidence.Evidence in nature1.The giraffes neck gets longer and longer in order to eat the high leaves.2.The seeds of dandelious are getting lighter and lighter,and the flowers are blowing in the wind to bew places to give birth to new life.Work in groupsEvidence in society 1.To see furthe
25、r,humans began to walk upright.2.King Wen was imprisoned in Youli,so he deduced“the book of Changes”.3.When Confucious was in trouble in the stages of Chen and Cai,he wrote Chunqiu.4.Qu Yuan was exiled by King Huai,so he wrote Li Sao,Zuo Qiuming was blind,this just had Guoyu;Sun Bin suffered from bi
26、n torture,so he studied the art of war.Language appreciation1.One option is to explore other planets to see if we could live on them.句式分析“to explore other planets”不定式短语作表语；“to see if we could live on them”为不定式短语作目的状语，其中的连词意为“是否”，引导宾语从句。尝试翻译 一种选择是探索其他行星，看看我们是否可以在它们上生活。Language appreciation2.The“close
27、d”concept meant that the space was designed to function with oxygen,food and water,needing nothing from the outside world.句式分析“that the space.oxygen,food and water,”为“动词mean”的宾语从句；“needing nothing from the outside world”为现在分词短语作方式状语。尝试翻译“封闭”的概念意味着空间是为用其内部的氧气、食物和水来运作而设计的，不需要外界的任何东西。Language appreciat
28、ion3.More recently,scientists have succeeded in growing a variety of plants in an environment similar to that on Mars.句式分析“similar to that on Mars”为形容词短语作名词environment的后置定语，相当于定语从句“which is similar to that on Mar”;语境中that 指代 the environment在比较结构中，that指代与前面同类事物中另一者，也可以指代不可数名词。尝试翻译 最近，科学家们成功地在类似火星的环境中
29、种植了多种植物。1.consist of 7.in the meantime2.wipe out 8.be caught in 3.replace with 9.lose contact with 4.be close to 10.take over 5.expose.to.11.infer from 6.stay alive 12.at a time 1.Review the vocabulary and the language ponits of the text.2.Consolidate how to write a survival story.3.Write a short story about how to survive in a dangerous place.