1、Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space.,Section B,He is an American astronaut who was the first man to set foot on the moon.,关系代词,定语从句,先行词,Review,人,物,Shenzhou is a spaceship that/which was launched with three astronauts in 2013.,Review,Who,物,主语，宾语,( )
2、1.The number of people _ lost their lives in Indonesian earthquake reached as many as 6200. A. which B. who C. Whom ( ) 2.-Have you been to the new Sports Center_ is just opened in town? -No, not yet. A. where B. who C. that ( ) 3.This is a new museum _ was builtlast year. A. when B. who C. which (
3、) 4.Do you know the girl _ is singing onthe stage? A. who B. what C. which,Review,B,C,C,A,What do you know about the spaceships?,What do you know about the spaceships?,1.Spaceships mainly use electroniccontrols.2.Astronauts use computers to controlthe speed and direction of theirspaceships, even the
4、 temperature. ,adj. 电子的,What did Kangkang want to know ?,He wants to know something about recent spaceship developments. development n. 发展 with the development of 随着的发展develop v.发展developing adj.发展中的 developed adj. 发达的,1b What can computers do to spaceships? Tick the possibilities and then listen to
5、 1a to check your answers.,( ) 1. make food for astronauts ( ) 2. change the speed of spaceships ( ) 3. control the direction of spaceships ( ) 4. control the temperature ofspaceships,Make predictions based on what you know.,1a Look, listen and say.,1c Read 1a and fill in the blanks.,Kangkang wanted
6、 to know something about recent spaceship developments. Mr. Brown told him that spaceships used to be _by astronauts and now mainly use _ controls. Then he explained to Kangkang that the speed and _ of spaceships as well as the temperature are controlled by computers. Kangkang then realized he knew
7、little about computer technology. Mr. Brown _ him to learn to use computers well and make computers _ us better in the future. Kangkang made up his mind to work hard to _ computer technology.,controlled,electronic,direction,advised,serve,master,Key words,K: amazing, development B: electronic, contro
8、l, astronauts K: work B: computers, speed, direction,temperature K: so little, technology B: master, advise , make do K: introduction, impossible,Act it out !,2 A. Listen to four short passages and number the pictures. The words below the pictures may help you.,food ( ) spacesuit ( ) telescope ( ) m
9、achine ( ),2,1,3,4,2 B. Listen again and fill in the blanks.,1. A spacesuit is like a very small_. 2. Astronauts add _ to _to make it bigger. 3. On earth, we can look at the_ through telescopes. 4. _ are training on a specialmachine. It _ them through theair.,spaceship,water,dried food,stars and pla
10、nets,Astronauts,lifts,3 Read the following sentences and complete them with that, which, who.,1. Do you know Neil Armstrong _was the first man to set foot on the moon? 2. This is the spaceship _ the astronauts use on space. 3. In all big cities, there are things _ tourists shouldnt miss! 4. He is a
11、man _ means what he says.,that/who,that/which,that/which,who/that,4 Listen and read the attributive clauses, paying attention to the pause, weak form and intonation.,1. China is the third nation /that sent a person into space. 2. Yang Liwei is our national hero /who traveled around the earth in Shen
12、zhou V for 21 hours in 2003. 3. Spaceships /which use electronic controls /used to be controlled by astronauts. 4. Change I is a spaceship /which was launched as Chinas first lunar probe. 5. More and more people have personal computers /that are used to play games and watch movies.,1.The movie _ we
13、saw last night was fantastic. A. that B. what C. whose D. who 2. Liu Yang is the first woman astronaut _ has ever traveled in space. A. whom B. which C. who D. whose 3. People are talking about the old houses _ Jackie Chan bought in Anhui twenty years ago. A. which B. where C. who D. when 4. Most st
14、udents like the teachers _ understand them well. A. which B. who C. where D. when 5. Its interesting that there are many people _ speak French in Canada. A. which B. where C. who D. whom,Exercises,Fill in the blanks with who, which, that. 1. The train _ has just left is for Shenzhen. 2. I still reme
15、mber the year _ we spent together. 3. Jack is no longer the person_ I met five years ago. 4. Who is the worker _ was late for work today? 5. Some people _ are successful language learners often fail in other fields.,which/that,that/which,who/that,that/who,who/that,Exercises,Summary,We learn:1. Some
16、words: electronic, spacesuit2. Some phrases: master computer technology, advise sb. to do sth., make sb./sth. do, made up ones mind 3. Some sentences: (1) Spaceships are so amazing.(2) I think that if I work hard then nothing isimpossible. We can: 1. Learn more about the astronauts life.2. Read the attributive clauses with correct pause, weak form and intonation.,Read 1a. Memorize the useful expressions and key sentences which we learned today. Finish Section B in your workbook. Preview Section C.,Assignment,Thank you,
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