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1、Unit 4Mars, the red planet (It looks red.)Mars 95 per cent carbon dioxideTWO MOONS:PHOBOS AND DEIMOSTHE SURFACE OF MARSMaybe there were rivers there.Mars火星是太阳系火星是太阳系九大行星九大行星之一，火星是距太阳的第之一，火星是距太阳的第四个行星，它的体积在太阳系中居第七位，是类四个行星，它的体积在太阳系中居第七位，是类地行星中距离太阳最远的一颗，位于地球和小行地行星中距离太阳最远的一颗，位于地球和小行星带之间，它外观呈现出星带之间，它外观呈现
2、出火红色火红色，因而非常引人，因而非常引人注目。火星有两颗小型注目。火星有两颗小型天然卫星天然卫星：火卫一和火卫：火卫一和火卫二。二。 火星的表面火星的表面沙砾沙砾遍地，十分遍地，十分荒凉沉寂荒凉沉寂，遍布遭陨，遍布遭陨星袭击后因撞击形成的坑坑洼洼。星袭击后因撞击形成的坑坑洼洼。Mars火星平均气温为零下五十五摄氏度火星平均气温为零下五十五摄氏度, ,温差较大温差较大：在夏季的昼间，气温最高为二十摄氏度，而在冬在夏季的昼间，气温最高为二十摄氏度，而在冬季，气温则可低达零下一百多摄氏度。季，气温则可低达零下一百多摄氏度。火星上经常有火星上经常有强风强风，因而常导致大范围的，因而常导致大范围的尘暴
3、尘暴。它大气非常它大气非常稀薄稀薄，它的主要成份是二氧化碳，其，它的主要成份是二氧化碳，其他成份还有氮、氩、氧等。水在火星大气中的比他成份还有氮、氩、氧等。水在火星大气中的比重只有百分之零点零三。因而火星表面重只有百分之零点零三。因而火星表面异常干燥异常干燥。 Life on Marsfood and clotheshometravelingschool lifepillsspecial bootsgravityon MarshelmetMARS By 2100spacecraftspace shuttles航天飞机 往返于地球和太空站之间运载人和物资的 Mars dollarselectro
4、nic(电子的电子的)low-gravity basketball gamesentertainment (娱乐娱乐)Daniel is making a guide to living on Mars in the future. First, help him complete the spidergram below to organize his ideas. Write the correct letters in the blanks.Life on Marsa Cars float in the airb Low-gravity basketball gamesc Traffic
5、 with no air pollutiond Space clothes and foode Many online theatresf Planet Mars Bankg Goods from Earth are hard to find h Visit the two moonsTalk about more for living on MarsLife on MarsTransportShoppingEntertainmentMoneyStored in the _Electronic￥1 is worth around M$10MoneyLife on Marsf Planet Ma
6、rs BankOnline games are very popular_Entertainmentb Low-gravity basketball gamese Many onlinetheatresh Visit thetwo moons_Lots of shopping mallsShoppingd Space clothes and foodg Goods from the Earth are hard to findcomfortable_Transporta Cars float in the airc Traffic with no air pollution1 Transpor
7、t:2Food, water, air:3 Gravity:spacecraft, uncomfortablePlants could grow on Mars, in the form ofthree-eighths of that on the Earth, special boots prevent from floating offLife on Mars4 home5 schoolLive in houses with huge comfortable rooms robots do most of their workonline school, e-teachers, compu
8、ters connected to an interplanetary networkLife on MarsHere is a guide to living on Mars in the future. On Mars, we use Mars dollars. We get about M$10 for every ￥1 , but we never see any of it ! Mars Dollars are electronic and are stored at the _. Planet Mars BankmoneyA very popular form of enterta
9、inment is online games. They make us feel like we are really inside the games! There are also many _ theatres. There are _ to visit, but most people may prefer to watch the amazinglow-gravity _ instead. onlinetwo moons basketballEntertainmentThere are lots of _ on Mars. They sell _ and food. Most th
10、ings are cheap on Mars. Goods from the earth are _.shoppingshopping mallsspace clothes hard to findThe public transport system is _, and it produces _. If you want to drive, you can buy a car which _!Life on Mars is interesting, isnt it?Transportcomfortableno air pollution floats in the airAdvantage
11、s of living on Mars1. It would be very interesting2. we could study at _.3. it is not so crowded, with much more _.4. Travelling in space would be _.online schoolsspacefunDiscussion about Life on MarsDisadvantages of living on Mars1. We do not know if it is really safe.2. We might _ from living ther
12、e.3. It is _ from the Earth.4. There is not enough food, _ or oxygen.5.There might be _ aliens.get illso far awaydangerouswaterDiscussion about Life on MarsThey make us feel like we are really inside the games!fee like 想要；感觉好像想要；感觉好像feel like sth / doing sth /（that）+从句从句我感觉像是感冒了。我感觉像是感冒了。I feel like
13、 catching a cold.他感觉像到过火星。他感觉像到过火星。如果你想要在这儿工作，请不要再迟到。如果你想要在这儿工作，请不要再迟到。He feels like (that) he has been to Mars.If you feel like working here, please dont be late again.Life on MarstransportshoppingEntertainmentmoney a flow chartmoneyfree timeshoppingfoodclothes life on life on animalstransporthouse
14、splantsschoolsweathermoney food With the help of your flow chart,write a guide to living on how to make a flow chartyour guide to living on transport A sample writingMercury 2200-A guide to living on Mercury(水星水星)Try to make a flow chart about it!m:kjr MercuryVenusEarthMarsJupiterSaturnUranusNeptune
15、Pluto By 2200 There will be three villages in space:Earth village, Moon village, Saturn village(土星村土星村).Suppose you are from one of the village.Today you gather together and report your life in your own village!Try to make your flow chart about the life in your village!st()n Write your guide to livi
16、ng on your village!Report your life!MercuryMercuryVenusVenusEarthEarthMarsMarsJupiterJupiterSaturnSaturnUranusUranusNeptuneNeptunePlutoPlutoSuppose you are from different planet villages.Today you gather together and report your life in your own village.Make a flow chart!Then write a guide to living
17、 on your own planet!Report your life to each other!be different from that on the earthspecially designed boots in order to walkto live in houses with huge comfortable roomproduces no air pollutionthe two moonsmany people to watch very interesting ,isnt itthe low-gravity basketball gamesHomeworkFinish your writing.Recite the key phrases and expressions in the lesson.Goodbye
