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1、环境污染的危害视频环境污染的危害视频_ _标清标清_ _标清标清.flv.flvpopulationincreaserapidlycrowdedpollutedSolar systemMarsEarthVocabulary1.for one purpose 2.a second time from the beginning3.decide in what way things are similar or different4.having a nice taste 5.full of people 6.happening in a short period of time 7.a pers
2、on who rides in a car,bus etc.but doesnt drive it.8.the total number of people in an area,a country,etc.speciallyall over againcomparetastycrowdedrapidpassengerpopulationTrue or false1.By 2100,people might live on Mars.2.Mars is becoming crowded and polluted.3.Now,it takes months for a spacecraft to
3、 travel from Earth to Mars.4.Plants can produce oxygen that humans need.5.Mars has three times the gravity of Earth.6.People will have less space on Mars.7.Sudents will go to school by spacecraft.8.Space travel might make people feel ill.TFT TFFFTQuestions1.Why do people move to Mars?2.How long does
4、 it take to fly to Mars at present?3.What would the flight to Mars be like by the year 2100?4.What will food be like on Mars?5.Would gravity on Mars be a big problem?6.Where might people live on Mars?7.What would school be like on Mars?8.What does the writer think of life on Mars?Questions1.Why do p
5、eople move to Mars?2.How long does it take to fly to Mars at present?3.What would the flight to Mars be like by the year 2100?4.What will food be like on Mars?The Earth is crowded and polluted.Months.Fast but uncomfortable.Not very tasty.Questions5.Would gravity on Mars be a big problem?6.Where migh
6、t people live on Mars?7.What would school be like on Mars?8.What does the writer think of life on Mars?Yes,and people would wear special boots.In houses with huge rooms.Online schools.There would be good and bad points.vsArgumentAdvantagesLife on Mars Life on EarthDisadvantagesLife on Mars Life on EarthAdvantagesLife on Mars Life on EarthDisadvantagesLife on Mars Life on Earth