九上第四单元第二话题SectionA.ppt

,执教：陶长霞,Unit 4 Amazing Science,Topic 2 When was it invented?,Section A,a rocket,Preview display,预习展示,be made of be made from be made up of be made in be made by sb be made into be used for doing be used to do be used as used to do sth. be used to doing sth.,预习展示 能力拓展,1,2,3,4,Group work,由某种物质做成(看得出原材料，物理过程) 由某种物质制成(看不出原材料，化学过程) 由几部分组成 在某地/某时制造 由某人制造 被制成 被用来做 被用来做 被当作某某使用 过去常做 习惯于做,Please have a try!,A: Whats this in English? B: Its a computer desk. A: Whats it made of? B: Its made of wood. A: Whats it used for? B: Its used for holding a computer.,Look and learn.,跟我学,ruler /steel/measure with,towel/cotton/clean faces,sweater/cotton/keep warm,用测量,举一反三,toothbrush/plastic /brush teeth,Follow the examples to make similar conversations.,lift/iron/ go up and down,bed/iron/sleep on,举一反三,A: How do you say this in English ? B: Its a piece of paper. A: Whats it made from ? B: Its made from wood. A: Whats it used for? B: Its used for writing on.,Look and learn.,跟我学,ink/carbon/ write in,red wine/ grapes/drink,butter/milk/eat,举一反三,1. Whats it made of? Its made of wood. 2. What is it used for? Its used for sending satellites or spaceships into space.,Look ,listen and answer.,（录音）,Listen to 1a , find out the important and difficult points. Underline the sentences with the passive voice(被动语态).,一般现在时态的被动语态： am/is/are+及物动词的过去分词,allow v. 允许 1. be allowed to do sth. 被允许做某事 2. allow sb. to do sth. 允许某人做某事 3. allow doing sth. 允许做某事,Example: My boss doesnt allow me to use the telephone. 老板不许我使用电话.,Example: We dont allow smoking in our house. 在我们家里不容许吸烟 .,1.I wish I could go into space some day. some day-某一天,总有一天 e.g. I wish I could have my own house some day. 2.I hope your dream will come true. come true-变成真的,实现 realize/achieve-make sth. come true,Express hopes and wishes: 表达希望和祝福的句型：,Please act out 1 a!,Pair work:,Match the pictures with their inventions.,2,1,3,3,1,2,A: Whats this? B: Its a digital camera. A: Whats it used for? B: Its used for taking photos. A: When was it developed? B: It was developed in 1975. A: Where was it developed? B: It was developed in America.,Make up dialogs according to the form.,For example:,跟我学,Make up similar dialogs according to the form.,2,1,3,3,1,2,举一反三,When was it developed? Where was it developed? Whats it used for?,Listen and finish the table.,MP3 player,Around 1998,Korea,Improve our English,（录音）,Find out the important and difficult points and the sentences with the passive voice.,Listen again.,一般过去时态的被动语态： was/were +及物动词的过去分词,Read 2a aloud. Then act it out.,Summary：,1.一般现在时态的被动语态。 2.一般过去时态的被动语态。 3.学习表达希望和祝愿的句型。 4.be made of 和be made from等词组的区别。 5.谈论新科技及发明。,( )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.,千锤百炼,.Change the following sentences. 1.My mother allows me to use her cellphone.(改为被动语态) I _ _ _ use my mothers cellphone. 2.A rocket is used for launching satellites and spaceships. (就画线部分提问) _ _ a rocket _ _? 3.The digital camera was invented in 1975. (就划线部分提问) _ _ the digital camera _ ? 4. Maybe he is an inventor. (改为同义句) He _ _ an inventor. 5.Whats this in English? (改为同义句) _ _ you _ _ in English?,am allowed to,What is,used for,When was,invented,may be,How do,say this,千锤百炼,. Fill in the blanks with the right prepositions. 1.The desk is made _ wood. 2.The red wine is made _ grapes. 3.This delicious cake was made _my mother. 4.Glasses is made _ glass. 5.Our group is made up _ four students. 6.That kind of machine is made _ _Japan.,of,from,of,of,by,in,千锤百炼,Homework: 1.Finish workbook Section A. 2.Preview Section B. Find out the important and difficult points.,Its bad for your health if you spend too much time on them.,headache,too tired,sore eyes,一般现在时态的被动语态： am/is/are+及物动词的过去分词 Im not allowed to play computer games. Whats it made of? Its made of metal. Whats it used for? Its used for writing on.,一般过去时态的被动语态： was/were +及物动词的过去分词 When was it developed? Where was it developed? It was developed in Korea.,Follow the examples to make similar conversations.,举一反三,A: Whatre these in English? B: Theyre toothbrushes. A: Whatre they made of? B: Theyre made of plastic. A: Whatre they used for? B: Theyre used for brushing teeth.,Follow the examples to make similar conversations.,举一反三,A: Whatre these in English? B: Theyre beds. A: Whatre they made of? B: Theyre made of iron. A: Whatre they used for? B: Theyre used for sleeping on.,Follow the examples to make similar conversations.,举一反三,A: Whats this in English? B: Its a lift. A: Whats it made of? B: Its made of iron. A: Whats it used for? B: Its used for going up and down.,sweater/cotton/keep warm,举一反三,A: Whats this in English? B: Its a sweater. A: Whats it made of? B: Its made of cotton. A: Whats it used for? B: Its used for keeping warm.,举一反三,A: Whatre these in English? B: Theyre towels. A: Whatre they made of? B: Theyre made of cotton. A: Whatre they used for? B: Theyre used for cleaning faces.,ruler /steel/measure with,用测量,举一反三,A: Whats this in English? B: Its a ruler. A: Whats it made of? B: Its made of steel. A: Whats it used for? B: Its used for measuring with.,举一反三,A: How do you say this in English ? B: Its a bottle of red wine. A: Whats it made from ? B: Its made from grapes. A: Whats it used for? B: Its used for drinking.,举一反三,A: How do you s