9b unit1 reading课件

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1、9BUnit1ReadingairpollutionpopulationlargecrowdedmoreandmorecrowdedThecolorofMars:_____________redMarsthesolarsystem太阳系It’sbetweenEarthandJupiterinoursolarsystem.EarthJupiterMarsone-halfthediameter(直径)ofEarthThesizeofMarstwomoons:PhobosandDeimos火卫1和火卫2thesurfaceofMarsThesurface

2、ofMarsisalittlelikethesurfaceofEarth.Thelowesttemperaturewillbe-133℃(degreescentigrade)andthehighestwillbe27℃Itmaybedifficulttoimagine,peoplewillliveontheplanetMars.bytheyear2100spacecrafttooslowtocarrylargenumbersofpeopletoMarsspaceshuttletravelathalfthespeedoflighthelmetspec

3、ialbootsspacesuitdomeTheMarswillturnintoanotherearthinthefuture.connecttoaninterpanetarynetworkMatchthewordsandthemeaningSmallroundpiecesofmedicineApowerthatkeepsusfromfloatingintheairAvehicledesignedfortravelinspaceGrowandimprovePeoplewhogotoliveinanewplaceAlargebodyinspaceth

4、atmovesaroundthestar,e.g.,thesunMachinesthatcandotasksunderthecontrolofcomputerplanetgravityspacecraftsettlersdeveloprobotspillscrowdedplanetspaceshuttlesspeedbootsspacehomerobotsettlersonlineteacherThepopulationonEarthisstillincreasingquickly.Moveto…AllaboutNASA’snewmodelofsp

5、acecraft…Ourshoescanmakeyouwalkfaster!Livinginaroundhouseisfun…Robotscouldbethefirsttoliveon…Needsomeonetoteachyouanytime,atanyplace?DanielislookingformoreinformationontheInternet.Helphimfindoutthelinkstothekeywords.Readthearticlequicklyandfindoutthekeywordofeachparagraph.Crow

6、ded,polluted(population,pollution)TransportFood,waterandairGravityHomeSchoolFoodPara1Para2Para3Para4Para5Para6Para7Listentotherecordingandanswerthefollowingquestions.WhydopeopleneedtomovetoMars?HowlongwillittaketoflaytoMarsatpresent?Howwillstudentsstudy,dotheirhomeworkandtakee

7、xamsonMars?Willspacetravelmakepeoplefeelill?WillgravityonMarsbeabigproblem?Earthisbecomingmoreandmorecrowdedandpolluted.Severalmonths.Theycanstudy,dotheirhomeworkandtakeexamsinonlineschools.Yes.No.Wewillwearspecialboots.Readeachparagraphcarefullyandfindouttheanswerstothequesti

8、ons.1.WhatvehicledopeopleusetoMarsatpresent?Andhowlongdoesitt