Unit4comic&welcome课件2023-2024学年牛津译林版英语九年级下册

Unit 4 Life on Mars Welcome to the unit It’s Earth, our home. Three quarters of our Earth is covered with water, so it looks blue and we also call it a blue planet. By 2050, our earth will become… overcrowded seriously polluted What shall we do?Where shall we live? Maybe people will be able to travel in space and live on another planet（行星）. . Planets in the solar system Mars is the nearest to the Earth. Mars Earth Mars is the fourth planet of the solar system. Mars Do you know anything about Mars? It looks red. So it is also called the Red Planet. Do you know why we call it Mars? The surface of Mars is more like the surface of the Earth than that of any other planet in our solar system(太阳系). the surface(表面) of Mars Mars has valleys山谷, deserts沙漠, and polar ice caps极地冰盖.  We can fly to Mars and build a better world on it. Mars Earth If we want to live on Mars, what should we take? air tank If we want to live on Mars, what should we take? power pack space helmet special boots computer Look and say. air tank tent dried food space helmet special boots sleeping bag computer power pack Write the name of the item under each picture.(P51) useful expressions: provide oxygen ['ɒksɪdʒ(ə)n]氧气 prevent sb from floating ['fləʊtɪŋ]漂浮off into space Group work: What are they used for? air tank can provide oxygen 能提供氧气 provide sb. with sth. =provide sth.for sb. What are they used for? dried food can keep you away from hunger and can be stored for a long time 能让你远离饥饿并能储存很久 power pack can provide energy 能提供能量 space helmet can protect your head and is connected to the air tank 能保护你的头部并与氧气罐连接 special boots can help walk more easily on the surface of the planet 能帮助在星球的表面行走更加轻松 computer small and light，and has lots of memory space 小而轻便，并有大量的内存空间 sleeping bag can provide a place to sleep, and is fixed to the wall to prevent people from floating 能提供一个睡觉的地方，并固定到墙上以防止人飘走 tent It’s unnecessary to put up a tent in space because people can stay in the space station. 1.People should take ______