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1、9B Unit 4 Life on MarsReading 1crowdedpopulationpolluted Eartha better place crowdedpollutedWhat should we doplanetMove to another planet.What is life on Mars like?Imagine v.Imaginative adj.planet(s)spacecrafta long journeyat the speed of lightoxygengravityfloatIs life on Mars always better than lif
2、e on Earth today?Listen and answer1.crowded2.rapid3.population4.all over again5.passenger6.tasty7.specially8.pareFind the new words and guess the meaningsa.for one purposeb.a second time from the beginningc.decide in what way things are similar or differentd.having a nice tastee.full of peoplef.happ
3、ening in a short period of timeg.a person who rides in a car,bus,train,etc.but does not drive ith.the total number of people in an area,a country,etc.Match the keywords with the links.Write the correct letters in the blanks.crowded planetspace housesspacecraftrobot on Marsspeed bootsonline teacher12
4、3456 a Need someone to teach you any time,any place?b Living in a space house is fun.C All about the newest spacecraft that travel in space.d Our shoes can make you walk faster!e Robots could be of great help to people on Mars.f The population on the Earth is still increasing rapidly.+fcdabeResearch
5、Read and circle1.Why would people move to Mars?a The Earth is crowded and polluted.b People want to make friends with those from another planet.c Flying to Mars will be fun.2.How long does it take to fly to Mars at present?2.How long does it take to fly to Mars at present?a Hours.a Hours.b Months.b
6、Months.c Years.c Years.3.What would the flight to Mars be like by the year 2100?a Fast and fortable.b Fast but unfortable.c Slow but fortable.4.What would food on Mars be like?a Very tasty.b Very sweet.c Not very tasty.5.Would gravity be a problem on Mars?a No,its not a problem.b Yes.Many people wou
7、ld get lost.c Yes,and people would wear special boots.6.Where might people live on Mars?a In houses with huge rooms.b On spacecraft.c In sleeping bags.7.What would schools be like on Mars?a very small.b Online schools.c Like those on the Earth.8.What does the writer think of life on Mars?a Better th
8、an life on the Earth.b Worse than life on the Earth.c There would be good and bad points.Transport at present 2100How do we get there?How long does it take?How will we get there?How long will it take?Read Para 2-4 and find out what will life be like.Food What will we eat on Mars?Gravity Will it be a
9、 big problem?Why is it a big problem?Why is it very dangerous?To prevent this,what should people do?1.People would have _ space.2._ would do most of our work.3.We would have more time to_.4.Students would study at _ schools with“e-teacher”.moreRobotsrelaxonlineRead Para5-6 and find the advantages of
10、 living on Mars:AdvantagesRead and find The following are some statements about life on Mars.However,some of the details are wrong.Write a T if the sentence is right.Write an F if it is false.Read and tell T or F:1.By 2100,people might live on Mars.2.Mars is being crowded and polluted.3.Now,it takes
11、 months for a spacecraft to travel from earth to Mars.4.Plants can produce oxygen that humans need.TFTTEarth5.Mars has one-eighth the gravity of Earth.6.People would have less space on Mars.7.Students will go to school by spacecraft.8.Space travel might make people feel ill.FFFTthree-eighthsmorestud
12、y in onlineschool.Life on the Earth todayLife on the Earth todayLife on Mars in 2100Life on Mars in 2100It is polluted and crowded.It would be clean and have lots of space.Spacecraft are slow.There is enough water and oxygen.There are many kinds of tasty food.Gravity is not a problem for us.Many peo
13、ple live in small flats.People have little time to relax.Students study at real schools.Different livesSpacecraft travels at the speed of light.Nobody knows whether would be enough water or oxygen.Food would most probably be in the form of pills and would not be so tasty.Gravity could be another problem.People might live in houses with huge fortable rooms.People could have more time to relax.Students would study at online schools with“e-teacher”.1.Read the article again.2.Search for more information about Mars on the Internet.Homework