1、,Unit 4 Amazing Science,Topic 2 When was it invented?,Section A,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.,A: How do you say this in English ? B: Its a piece of paper. A: Whats
2、it made from ? B: Its made from wood. A: Whats it used for? B: Its used for writing on.,toothbrush/plastic /brush teeth,red wine/grapes /drink,Follow the examples to make similar conversations.,A. Whats it made of? B. Its made of wood. A. Do you know what it is used for? B. Its used for sending sate
3、llites or spaceships into space.,Wow !A model rocket !,Look ,listen and answer.,I am not allowed to play computer games.,allow v. 允许 1. allow sb. to do sth. 允许某人做某事 2. allow doing sth. 允许做某事 3. be allowed to do sth. 被允许做某事,1.I wish I could go into space some day. some day-某一天,总有一天(将来) e.g. I wish I
4、could have my own house some day. 2.I hope your dream will come true. come true-变成真的,实现,When was it developed? Where was it developed?,Listen and finish the table.,MP3 player,Around 1998,Korea,Improve our English,聚焦一般过去时的被动语态 结构:助动词be+及物动词的过去分词 1.肯定句式 ：主语+was /were+vt.-ed 2.否定句式 ：主语+was/were + not+v
5、t.-ed 3.一般疑问句式： Was /Were+主语+vt.-ed 4.特殊疑问句式：疑问词W/H+was/were+subject+vt.-ed,Lets sum up together.,Match the pictures with their names.,2,1,3,3,1,2,Then make conversations similar to 2a.,Make up dialogs according to the form.,A: What are you doing? B: I am A: Whats this? B: Its a (an) A: Whats it use
6、d for? B: Its used for A: When was it developed? B: It was developed in A: Where was it developed? B: It was developed in ,For example:,be made of 由某种物质做成(看得出原材料，物理过程) be made from 由某种物质制成(看不出原材料，化学过程) be made up of 由几部分组成 be made in 在某地/某时制造 be made by 由某人制造 be made into 被制成 be used for 被用来做 be use
7、d to do 被用来做 be used as 被用作 used to do sth. 过去常做 be used to doing sth. 习惯于做,知识拓展,1,2,3,4,Group work,( )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.
8、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 c
9、an do it.,.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.
10、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,. 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,Homework: Write a short passage about one of your favourite inventions.,
