9B-Unit4-reading.ppt

9B Unit 4 1精选课件 Read Read the article andthe article and find out the keyword find out the keyword of each paragraph.of each paragraph.Crowded,polluted(population,Crowded,polluted(population,pollution)pollution)TransportTransportFood,waterandoxygenFood,waterandoxygenGravityGravityHomeHomeSchoolSchoolopinionopinionPara1Para1Para2Para2Para3Para3Para4Para4Para5Para5Para6Para6Para7Para7aforcethatkeepsusfromfloatingintheair2精选课件Para13精选课件moreandmore pollutedmoreandmorecrowdedtherapidincreaseinpopulationWhy?4精选课件Howdeal with?Hope for?5精选课件6精选课件The color of Mars:_redMars7精选课件thesolarsystem太阳系太阳系ItsbetweenEarthandJupiterinoursolarsystem.EarthEarthJupiterJupiterMarsMars8精选课件one-half the diameter(直径直径)of EarthThe size of Mars9精选课件twomoons:Phobosand Deimos火卫火卫1和火卫和火卫210精选课件the surface of MarsThe surface of Mars is a little like the surface of Earth.11精选课件Thelowesttemperaturewillbe-133(degreescentigrade)andthehighestwillbe2712精选课件It may be difficult to imagine,people will live on the planet Mars.by the year 210013精选课件Para214精选课件At present,spacecrafttooslowtocarrylargenumbersofpassengerstoMarsHow long?15精选课件By the year By the year 2100,2100,spacecraftspacecraftHow long?How make it?travel at half the speed of light16精选课件Para 3-417精选课件ReadPara.3-4anddosomeTorFexercises()1.Humansneedfood,waterandoxygentosurvive.()2.OnMars,plantscouldbegrownandpeoplecouldhaveenoughoxygenandwater.()3.MarshasthreestimesthegravityofEarth.()4.ThebootswillbespecialforpeopleonMarsinordernottofloatoffintospaceTFFTthree-eighthsof18精选课件Para 5-619精选课件Part3(Para.5-6)AdvantagesoflifeonMars1.Peoplewillhave_space.2._willdomostofourwork.3.Wellhavemoretimeto_.4.Studentswillstudyin_schools.moreRobotsrelaxonlineReadandfillintheblanks20精选课件connected to an interplanetary network21精选课件Page 55,Finish B322精选课件crowded planetcrowded planetspacecraftspacecraft speed boots space houses robot on Marsonline teacher f f c c d d b b e e a aP54,B2-HelpDanielfindoutthelinkstothekeyP54,B2-HelpDanielfindoutthelinkstothekeyP54,B2-HelpDanielfindoutthelinkstothekeywords.words.words.23精选课件What will be changed on Mars?Page 55,Finish B424精选课件Advantages of living on Mars1.Its not _or_.2.The _ is more convenient.3.People will wear special _4.People will have _space.5._ will do most of our work.6.Well have more time to _.7.Students will study in _ schools.crowded polluted spacecraft boots.moreRobots relax online25精选课件Disadvantages of living on Mars1._willbeaproblem.2.Foodwouldprobablybeintheformof_andwouldntbe_.3.Spacetravelmightbe_makepeoplefeel_.Gravitytasty ill/sick uncomfortable pills 26精选课件27精选课件Thejourneymighttakeonlyabout20minutesinspacecraftthattravelathalfthespeedoflight.用用以光速一半速度飞行的太空穿梭机进行的旅程可以光速一半速度飞行的太空穿梭机进行的旅程可能只要花约能只要花约20分钟的时间。分钟的时间。分析：此句是分析：此句是that连接的定语从句。连接的定语从句。that引导的定引导的定语从句修饰先行词语从句修饰先行词spacecraft,从句中的动词的人从句中的动词的人称和数由先行词称和数由先行词spacecraft决定。决定。28精选课件ComparedwithlifeonEarth,lifeonMarswillbeComparedwithlifeonEarth,lifeonMarswillbebetterinmanyways.betterinmanyways.与在地球上的生活相比与在地球上的生活相比与在地球上的生活相比与在地球上的生活相比,火火火火星上的生活在很多方面将会更好星上的生活在很多方面将会更好星上的生活在很多方面将会更好星上的生活在很多方面将会更好.comparewithcomparewith意思是意思是意思是意思是“与与与与做比较做比较做比较做比较”。在句中。在句中。在句中。在句中是过去分词短语作状语是过去分词短语作状语是过去分词短语作状语是过去分词短语作状语,此时此时此时此时withwith和和和和toto可通用。可通用。可通用。可通用。29精选课件Everystudentwouldhaveacomputerathomeconnectedtoaninter-planetarynetwork.每个学生在每个学生在家里有一台连接星际网络的电脑。家里有一台连接星际网络的电脑。connectto意思是意思是“与与连接连接”。这里的。这里的connectedto是过去分词后置作定语是过去分词后置作定语,修饰修饰computer。当然我们。当然我们也可以用也可以用connectto结构表示结构表示“把把和和连连接起来接起来”。30精选课件31精选课件Task 1-WordsPage 54,Finish B132精选课件Exercises:1.It_(hope)thatwewouldhaveabetterworldon1.It_(hope)thatwewouldhaveabetterworldonMars.Mars.2.The_(2.The_(人口）人口）人口）人口）ofChinain21007wouldbeofChinain21007wouldbelarger.larger.3.Thiskindofshoesistoo_(comfortable)3.Thiskindofshoesistoo_(comfortable)formetowear.formetowear.4.Theearthisa_.(4.Theearthisa_.(行星）行星）行星）行星）5._(5._(人类）人类）人类）人类）canmakerobotsdosomework.canmakerobotsdosomework.6.Thisareaisbadly6.Thisareaisbadlyp p_.Somethingmustbedoneto_.Somethingmustbedonetoprotecttheenvironment.protecttheenvironment.7.Withpoutgravity,wewill_(7.Withpoutgravity,wewill_(漂浮）漂浮）漂浮）漂浮）inthespace.inthespace.is hoped is hopedpopulationpopulationuncomfortauncomfortablebleplaneplanet tHumansHumansollutedollutedfloatfloat33精选课件p目前；现在目前；现在p变得越来越拥挤变得越来越拥挤p以光速的一半运行以光速的一半运行p许多许多p漂入太空中漂入太空中Task 2-Phrasesatpresentbecomemoreandmorecrowdedtravelathalfthespeedoflightlargenumbersof=anumberoffloatoffintospace34精选课件p与与相比相比p生病生病p被连接到被连接到p在许多方面在许多方面p和和.一样美味一样美味p八分之三八分之三Task 2-Phrasescomparewithgetillbeconnectedtoinmanywaysastastyasthree-eighths35精选课件