1、Unit 3Using Language citizen typist typewriter postage postcode button instantn.公民;居民;市民n.打字员n.打字机n.邮资n.邮政编码n.纽扣;按钮n.瞬间;片刻adj.立即的;立刻的Words preview receiverdustbin ecology greedy swallow material recycle n.接收器;电话听筒n.垃圾箱n.生态;生态学adj.贪婪的;贪心的vt.吞下;咽下n.原料;材料vt.回收利用;再利用Words previewgoodsrepresentative sett
2、lement motivationn.货物n.代表;典型人物adj.典型的n.定居;解决n.动机Words previewCan you tell me something about Yang Liwei?Pre-readingDo you think there are alien creaturesin outer space?What do you think they look like?Have you ever seen any amazing things,for example,the alien creatures?Can you describe them?The mod
3、dock is an alien from the Andromeda galaxy.It is shy until you get to know it.To make friends you need to cover yourself in oil as that is the thing the moddock likes best.Sample It should be able to help you with your English homework because it is such a marvelous language learner!It stays in one
4、place most of the time as it finds moving so painful.Sample When it has to move,it rolls over and over like a ball.Moddocks live alone and never go to school.They dont need to,as they are good observers and quick learners from others.It really likes humans and as we are now friends,it wants to becom
5、e a human being too.Sample I HAVE SEEN AMAZING THINGSReadingIn pairs use the informationfrom the reading passage to fill the chart on page 23 Space Station.Communication invention advantagesdisadvantagesthoughtpad1 efficient2 environmentally friendlythoughts must be clear or messages may be mixed up
6、Waste Disposal invention advantages disadvantagesa waste machine1 disposes of all waste2 turn them into three grades of useful materialNoneManufacturing invention advantagesdisadvantages1 no waste2 no pollution3 no environmental damagepeople must live on a space station to monitor the robotsmanufact
7、uring robotsI Have Seen Amazing Thingsin spacesearch(some place)for sth.light of any kindassist(sb.)in sth./doing sth.go softfrom side to sidedepend onRetellingNow in pairs think about the advantages and disadvantages of living on a space station.For example:Would you like to live and work in one?Wh
8、at would you do with your spare time?Prepare to report to the class.DiscussionStudents work in pairs to have a discussion according to the following questions:Q1.Which planet is said to be the most similar to the earth?Q2.Suppose people can live on it.What should people consider?Listening1.First rea
9、d the words and phrases,then listen and tick what you hear:space creatures living on another planetnew discoveries in space why a space station spinshow to get water on Mars comets houses in a town on Mars Martian creatures atmosphere and gravity2 Listen to the tape again and answer the following qu
10、estions.1 How can“Wonderworld”make sure there is enough oxygen?2 How can“Wonderworld”make sure there is enough water?3 What is the advantage of living in“Wonderworld”?4 Do you think people will be healthy living in“Wonderworld”?Why?1 How can“Wonderworld”make sure there is enough oxygen?“Wonderworld”
11、will provide a covered area for people to live in with a special air supply.2 How can“Wonderworld”make sure there is enough water?“Wonderworld”will make sure there isenough water by collecting some fromunder the planets surface.After use,this water will be cleaned and recycled so that it can be used
12、 as rain to water drops and provide clean drinking water.Everyone will put their dirty water in special tanks and animals will have to go to the toilet inspecial places.Bacteria will clean this dirtywater so it can be used again.3 What is the advantage of living in“Wonderworld”?4 Do you think people
13、 will be healthy living in“Wonderworld”?Why?People may become rich and famous.I think the people will be quite healthy as they have a satisfactory climate,enough water and sufficient accommodation to live comfortably.Li Qiang(LQ)is interviewing Walker Hiller(WH)on the space station about his idea fo
14、r building a new town called“Wonderworld”on Mars.Listening TextCAN PEOPLE REALLY LIVE ON MARS?LQ:Well,Mr Hiller!Why did you think of building a new town on Mars?WH:It sounds astonishing,doesnt it?I imagine that itll be difficult and the atmosphere,gravity,and climate will have to be just like the ea
15、rth or nobody will travel there.LQ:Can you imagine how thatll be achieved?WH:Yes,I think so.The atmospheres too hot and has no oxygen.So people couldnt breathe Mars air and live.Well make a covered area for people to live in with a special air supply.LQ:Is it likely you can find and use water to kee
16、p the climate similar to that on the earth?WH:Perhaps.We hope theres water under the planets surface.People will have to collect all the used water so it can be cleaned and recycled as rain.Then it can be used again to water plants and crops and provide clean drinking water.LQ:Yes.I suppose everyone
17、 will have to put their dirty water in special tanks.Even animals will have to be trained to go to the toilet in special places.WH:Yes,I suppose so.LQ:So is it likely that bacteria will clean the water?WH:Well,thats a possibility.LQ:I wonder if the houses can be made strong enough against the gravit
18、y on Mars?WH:Yes,they can.The robots will provide special building material.LQ:Still life sounds quite uncomfortable.So whats the advantage of going to live on Mars?WH:There will be opportunities for scientific work and to look for gold or other metals.So people may become rich or famous.LQ:How healthy will the people be,I wonder?In pairs try to think of some benefits and problems in the future.Talk and write about what life on the earth will be like in 1000 years time.Writing
