9B Unit4 Welcome to the unit

1、Learning Aims:1. To learn the new words and useful expressions.2. To know some basic information about Mars.3. To imagine what life would be like on Mars.Do you know the place in the picture?Its Earth, our home.Earth is covered with water, so it looks blue.How do you like life on Earth?What problems

2、 is our earth facing now?It wiiiisill become more and more and . crowdedpollutedWhat shall we doWhere shall we liveMaybe people will be able to travel in space（太空）and live on other planets（行星） .The sun is a star(恒星).The earth is one of the planets(行星)Mars火星nine planetsthe solar systemPeople are thin

3、king about living on MarsMarsDo 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(表面) of Mars火星（Mars）是太阳系八大行星之一，是 太阳系由内往外数的第四颗行星，直径约为地球的一半，自转轴倾角、自转周期均与地球相近，公转一周约为地球公转时间的两倍。橘红色外表是因为地表的赤铁矿（氧化铁）。火星基本上是沙漠行星，地表沙丘、砾石遍布没有稳定的液态水体。二氧化碳为

4、主的大气既稀薄又寒冷，沙尘悬浮其中，每年常有尘暴发生。火星有两个天然卫星：火卫一和火卫二，形状不规则，可能是捕获的小行星。2013年12月公布的探测资料表明，火星上存在已干涸远古湖泊，或有生命出现证据。Why do we choose to move to Mars?The surface of Mars is more similar to the surface of the Earth than any other planet in our solar system.What do we need or have?What do we need in space?Can provide

5、 oxygententIts not necessary to take a tent to sleep in space as there is no rain or wind in space.put up a tentcan keep you away from hungercan block out strong sunshine and protect your eyesspace helmetcan add weight to help you walk more easily in space with low gravitysmall and light and has lot

6、s of memory spacecan provide energycan provide a place to sleep, need to fix it on something to prevent it from floatingair tankdried foodhelmetspecial bootsspecialsleeping bagnotebook computerpower packtentSpeak them out quickly 1.People should take _ with him because it can keep you away from hung

7、er. 3.There is no oxygen on Mars. _ are necessary for astronauts._ can provide energy .If we live on Mars, we should wear _ to walk on the surface 6.We can fix _ to the walls to prevent floating in space.dried food 2.For astronauts, they need _ to store information.notebook computersAir tanksA power

8、 packspecial bootsspace sleeping bagsFill in blanksFill in blanks Hobo and Eddie lived on _. Hobo asked Eddie _ he liked the life on Mars. Eddie said that he _ it. Hobo was _ , so he asked why. Eddie said that he couldnt _ _ his food because of the _.Marshowhatedsurprisedget tohelmetThe important ex

9、pressions and sentences:think about思考，考虑travel into space 到太空旅行How do you like .?你认为怎么样？ =What do you think of?get to my food得到我的食物hate =dislike hate doing sth.I thought 我原以为Daniel is talking to Amy about living on Mars. What do they think it would be like to live on Mars? Listen and answer the foll

10、owing questions:1.What does Amy think they would need to wear on Mars?2.What does Amy think they would have to eat on Mars?She thinks that they would probably need to wear special boots. She thinks that they would have to eat dried food. Read the conversation and answer the questions.1. Why do they

11、need to wear special boots on Mars?2. What else do they need to live on Mars?3. Why do they have to eat dried food on Mars?4. Is there any pollution on Mars?Because theres less gravity on Mars.2. We might need sleeping bag too.3. Because there is no fruit or vegetables.4. No. there isnt.Read after t

12、he tape and Role-playWell see which group does the best.Where do you prefer to live, Mars or Earth?Why?Work in pairs!Eddie and Hobo are also talking about life on Mars.Listen to their dialogue.Listen and answer the questions.2. How does Eddie like life on Mars? 1. Where are they?They are on Mars.Why

13、?Eddie hates Mars. Because of the helmet, he cant get to his food.They are also talking about life on Mars too.read and do role-play. Hobo and Eddie lived on _. Hobo asked Eddie _ he liked the life on Mars. Eddie said that he _ it. Hobo was _ , so he asked why. Eddie said that he couldnt _ _ his foo

14、d because of the _.Marshowhatedsurprisedget tohelmetFill in blanks1.Me neither. 我也不。（用于肯否定句） Me too. 我也是。（用于肯定句） -Tom has been to the Great Wall. -_. -Lucy didnt watch TV last night. -_.2. How do you like? 你觉得怎么样？= What do you think of ?3. hate =dislike hate doing sth.4. get to/reach sth. 够到某物 get sth. 得到 某物Me too.Me neither