仁爱版英语九年级上册Unit4Topic1SectionB课件.ppt

Unit 4 Amazing Science,Topic 1 When was it invented?Section B 课件 1,Fill in the blanks with the right preposition.1.The desk is made _ wood.2.The red wine is made _ grapes.3.This delicious cake was made _my mother.4.Glasses are made _ glass.5.Our group is made up _ eight students.6.That kind of machine is made _Japan.,of,from,of,of,by,in,Review,Teaching Aims:1.Learn and master some new words: bulb, airplane, hard-wearing.2.Learn Passive Voice: was/were+p.p.t.3.Understand the stress and intonation of sentences.,4.Read the following sentences: a). Its said that he invented more than two thousand things during his life. b). Its invented by Wilbur and Orville Wright in 1903. c). but its different from todays.,A:Whats this ? B:Its A:When was it invented ?B: It was invented in A: Who invented it ? B:,Lets learn,1a Look, listen and say.,When was it invented?Who invented it?,Look, a light bulb!,In 1897, Thomas Edison.,1b Listen to 1a and choose the correct answers.,( ) 1. Where are Michael and Jane? A. In the science museum. B. At the school library. C. In the zoo. D. In the park.,A,( ) 2. Which object is not mentioned in the conversation ? A. Light bulb. B. Airplane. C. Television. D. Radio.,C,1c Read 1a and complete the table.,radio,airplane,Thomas Edison,Wilbur andOrville Wright,1879,1895,1d Discuss with your classmates the inventions listed in 1c. Let them guess which invention you are describing.,You may begin like this: It is widely used by people everywhere. It was invented in 1879 by Thomas Edison. Its said that,A: What are these ?B:A: When were they produced first ? B:A: What were they made of ?B:,Do you know?,2 Fill in the blanks with the proper forms of the given words.,The first jeans were produced in 1855. At that time, they _(not call ) jeans and they were just hard-wearing pants designed for workers. The pants _ (make ) of the brown cloth. This kind of cloth _ usually _(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles _ also _(create). They _( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world.,were not called,were made,was,used,are,created,are designed,A. Karl Benz,C. Alexander Graham Bell,B. John Baird,Invention,Inventor,Year,a.1926,b.1876,c.1885,3 Listen to the three passages. Match the pictures with the following information.,4a Read the following words. Listen and check the vowels.,rocket cotton hospital model satellite camera laptop plastic,4b Listen and read the following sentences aloud, paying attention to the stress and intonation. Then use the words in 4a to make up similar conversations.,A: When was the digital camera developed? B: It was developed in the 1970s.A: Was the digital camera developed in Korea? B: No. A: Where was it developed? B: It was developed in Japan.,补全对话,A:_?B: Its called a cell phoneIphone5.A:_?B: Its made of plastic.A:_?B: Its used for communicating with each other in daily life.A: Do you have a cell phone?B: Yes, I do. But_.A: Thats right. As a student,_.,Whats this in English,Whats it made of,Whats it used for,Im not allowed to take it with me,You should obey your school rules,Its bad for your health if you spend too much time on computer.,headache,too tired,sore eyes,一般过去时的被动语态1.肯定句式 ：主语+was /were+vt.-ed2.否定句式 ：主语+was/were + not+vt.-ed3.一般疑问句式： Was /Were+主语+vt.-ed4.特殊疑问句式：特殊疑问词+was/werevt.-ed,Lets learn the grammar.,Eg. The computer was invented in 1946.,( )1.He _play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to( )2.We all know that paper _wood. A. is made of B. is made into C. is made from( )3.This kind of machine _in 2006. A. is invented B. is made C. was invented( )4.A(An)_is used for taking photos. A .Camera B. Lift C. MP3 player( )5 .We should spend more time _because its too important. A .to learn English B. learning English C. in English,B,C,C,A,B,I.Choose the right answers. You can do it.,Summary,We learn: 1.Some words: bulb, airplane, hard-wearing2. Some phrases: be used by, more than, be different from 3. Some sentences:Its said that he invented more than two thousand things during his life.,We can:1.Use the simple past passive voice:Do you know when it was invented?It was invented in 1879. 2.Talk about the inventors of some great inventions.,Homework,Write a short composition about your favourite invention.,See you!,