介绍到单元课件to the unit.pptx

2025/3/17九年级下册英语教学课件系列

2025/3/17etotheunitUnit1LifeonMars

2025/3/17Watchandact.

2025/3/17ComicstripListentotheconversationaboutlifeonMarsbetweenEddieandhisfriendagain,thenfillblanksandanswerquestions:

2025/3/17Task1.Fillintheblanks.H:______________________,Eddie?E:Sure.H:_____________________________?E:I_____it.H:Whydoyouhateit?________________________.E:It’sthis________.Ican’t_____________.CanIaskyouaquestionHowdoyoulikelifeonmarshateIthoughtyoulikedMarshelmetgettomyfood

2025/3/17Task2.AnswerQuestionsNo,hedoesn’t,hehatesit.Becauseofthehelmet,hecan’tgettohisfood.1.HowdoesEddielikelifeonMars?2.Whydoeshethinkso?

2025/3/17ThegrandcanyononMarsMarsBackgroundinformation

2025/3/17天体系统的层次月球地球地月系太阳系河外星系其他恒星系银河系总星系其他行星—卫星系

2025/3/17Metagalaxy总星系辉煌的银河系中心（银核）部分

2025/3/17TheMilkWayGalaxy银河系主体部分的直径约为10万光年银河系银河系有太阳这样的恒星2000多亿颗

2025/3/17planets行星

2025/3/17Mercury水星Venus金星Mars火星Uranus天王星Neptune海王星Earth地球Jupiter木星Saturn土星

2025/3/17地球上存在生命物质的条件太阳光照一直比较稳定九大行星绕日公转具有同向性和共面性，地球的宇宙环境较安全距太阳位置适中，气温适宜自转周期不太长具有适当的体积和质量吸引大气层放射性元素衰变及火山活动促使地球表面液态水不断增多

2025/3/17A:DoyouwanttogotoMars?B:Yes,Ido.A:Why?B:Becausetherewillbemorespace.Whataboutyou?A:I…because…Task3.Discussion

2025/3/17AdvantagesNopollution.Havemorespace.Robotswilldoourwork.Studentswillstudyathome.DisadvantagesToocoldtogooutside.Travelwillmakepeoplefeelsick.Wemustwearhelmetstogoout.AdvantagesanddisadvantagesofthelifeonMars

2025/3/171.Wewillbecaredforbyrobots.____2.Wemustwearspacehelmetstogooutside.____Task4.WriteYesorNointheblanks.YesNo

2025/3/173.Therewillbenopollution.______4.Robotswillhelpuswithourhomework._____5.Foodwillbeintheformofpills._______6.Moneywillnotbeimportant._______7.Spacetravelwillmakepeoplefeelveryill.______YesYesNoNoYes

2025/3/17Task5.Danielisdreami