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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit 4 ASTRONOMY:THE SCIENCE OF STARS,-(speaking),1,2,3,4,5,6,7,8,Step 1:Lead-in,Do you remember the conversation between Li Yanping and Professor Wallis?,We all know that space walk is difficult and dangerous.What should an astronaut take with him?,9,Now discuss them with your partner and fill in the following form.You can refer to our listening material on Page65.,10,Why?,What will you take?,To keep you cool,Spaceship with water to cool you,to help you breathe oxygen,To travel on the moon,To protect your skin,To stop you flying off into space,To stop your food from floating away,Clothes for walking on the moon,To give shade,To take photographs,Space camera,11,Why?,What will you take?,To keep you cool,Spaceship with water to cool you,to help you breathe oxygen,Oxygen tanks to carry on your back,To travel on the moon,Space buggy,To protect your skin,Spacesuit,To stop you flying off into space,A rope to tie you to the spaceship,To stop your food from floating away,Space food that you can eat more easily,Clothes for walking on the moon,Spacesuit,To give shade,Sunglasses in your spacesuit helmet,To take photographs,Space camera,Lets check what we should take for these specific purposes.,12,Step II Speaking(Page31),T:Now speak one or two sentences for each equipment you should take.You can follow the example by working in pair:,S1:What will you take if you travel to the moon and why?,S2:I wil take in order to/to/so that,13,Show youselves:make a diolague,Pair 1:S1:What will you take if you travel to the moon and why?,S2:I will take water with me in my spacesuit in order to warm or cool me if its too cold or too hot.,Pair 2:S1:What will you take if you travel to the moon and why?,S,3,:Id take some skin cream.That works very well when we go to the sea.,14,Step Read and Write (Page31),Read the following diolague and write down the Sentence Patterns on how to give instrucitons.,15,Sample dialogue:,A:,Im going to visit a comet.How exciting!Im leaving tomorrow.,B:,Please,check that,you have got the correct sort of spacesuit.You need the kind that will keep you warm,in the coldest weather.,16,A:,Of course!,B:,Make sure,you know all the safety rules.Its not safe to stand on a comet or get too close.There is always a strong wind in space.,A:,Of course I wont leave the spaceship except to take photos.,17,B:,Photos?Just think of the dust in the air.It will make taking photos very difficult.,A:,Well,I,plan to take some anyway.,B:,Watch out for,the space wind,which can be very dangerous.It makes a strange noise too as it goes through the sky.You may be able to hear it.,A:,Yes.,My space leader has already mentioned that.,18,B:,Lastly,dont forget to watch the time as you leave the earth.Then we can check it again when you get back.We can see whether the time you were away is the same time on your watch.Also please pay attention to everything your space guide says.Do not go off on your own.Look at the temperature on our spacesuit at all times.,19,If it gets too low you need to warm it up and if its too high you need to push the button to cool it down.Anyway,have a good trip!,A:,Thank you.I will,!,20,Please look at/listen to.,Please check that.,You need.,Please pay attention to.,Dont forget to.,Youd better.,Make sure you.,Watch out for.,You mustnt.,Summary for the useful expressions to give instructions,21,Step:ConsolidationTask1:Role-play,Work in pairs and practice the sentence patterns on any of the fowllowing topics.One is to ask for instructions and the other is to answer according to the question.,Topics:,Use a washing machine,Change oil in a car,Using a camera,Saving a a computer,Setting an alarm clock,22,23,One possible version by students:,Tommy:Hi David.You look busy?What are you doing?,David:Im trying to figure out how to use the washing machine,Tommy:It is easy.First,you need,to put the dirty clothes in to the machine.,David:Yes,whats next?,24,Tommy:,Make sure,you pour in enough water in order to make the machine work well.,David:Okay,now what?,Tommy:,Dont forget to,add washing powder to clean the dirty things away.,David:Yes,I know that.Whats about the time?,25,Tommy:Yes,pay special attention to the time.,You can press the button to choose the time.Generally speaking 35 mins is proper.,David:I got it.,Tommy:,Watch out for,the laundry wheel.,You must,put in your hand in when its rolling.Its very dangerous.Anyway,follow my suggestions and you can make it.,David:Thank you.I will.,26,Step V Homework,Prepare for writing a passage about your idea or hopes for traveling in space.,Is Space Research a Waste of Money?,1有些人认为探索太空的花费是一种浪费。,2有些人则不这样认为。,3我支持太空研究。,Here are useful outline:,For over fifty years,a number of nations have been involved in the exploration of outer space.This research has been very costly,of course.Is this money well-spent or wasted?,Some people believe that,because of,.,Those people point ont the fact that,.,However,other people believe that,They point out
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