Unit 4 Astronomy: the science of the stars（Listening, Speaking and Writing）

t: very good. you’ve done an excellent job! do you know how to fill in the form now?ss: yes. t: now look at the screen and check your answer.sample answer:to keep you coolspaceship with water to cool youto help you breathe oxygenoxygen tanks to carry on your backclothes for exercisespacesuitto travel on the moonspace buggyto protect your skinspacesuit to stop you flying off into spacea rope to tie you to the spaceshipto stop your food from floating awayspace food that you can eat more easilyclothes for walking on the moonspacesuitto give shadesunglasses in your spacesuit helmetto take photographsspace camerastep iv talking (page62)the task asks the students to work in pairs and give a friend a number of “does” and “don’ts” for going into space. they need to make suggestions using the phrases that they have been given to help them. when they have worked out the advice they can write the suggestions down and read them out to the class. show the useful expressions please look at/ listen to… please check that… you need… please pay attention to… don’t forget to… you’d better… make sure you… watch out for… you mustn’t… t: now discuss it in pairs. then i will ask some pairs to read out their instructions.sample dialogue:s1: i’m going to visit a comet. i’m leaving tomorrow.s2: how exciting! please check that you have got the correct sort of spacesuit. you need the kind that will keep you warm if it’s too cold.s1: of course!s2: make sure you know all the safety rules. it’s not safe to stand on a comet or get too close. there is always a strong wind in space.s1: i won’t leave the spaceship except that i take photos.s2: photos? just think of the dust in the air. it will make taking photos very difficult.s1: well, i’ll take some anyway.s2: watch out for the space wind! it can be very dangerous.s1: yes, i know that.s2: don’t forget to watch the time as you leave the earth. please pay attention to everything your space guide says. don’t go off on your own. look at your temperature on your spacesuit all the time. if it’s too low you need to warm it up and if it’s too high you need to cool it down. anyway, have a good trip!s1: thank you. i will.step v speaking task (page67)the purpose of this task is to use the information the students have gained from the listening text and reading passage in a new situation. they are going to interview the astronomer in our story, li yanping, for a newspaper. so in pairs the need to work out some questions to ask him. each of the pairs needs to think of three different questions. and try to find the answers.