Unit 4 Amazing ScienceUnit 4 Amazing Science Topic 2 Topic 2 When was it invented?When was it invented?A: What’s this in English?B: It’s a computer desk.A: What’s it made of?B: It’s made of wood.A: What’s it used for?B: It’s used for holding a computer.Look and learn.A: How do you say this in English ? B: It’s a piece of paper.A: What’s it made from ?B: It’s made from wood.A: What’s it used for? B: It’s used for writing on.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 used 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1234toothbrush/plastic/brush teethred wine/grapes/drink Follow the examples to make similar conversations.ruler /steel/measuretowel/cotton/clean facessweater/cotton/keep warmlift/iron/ go up and downink/carbon/ write inbed/iron/sleepA. What’s it made of?B. It’s made of wood.A. Do you know what it is used for?B. It’s used for sending satellites or spaceships into space.Wow !A model rocket ! Look ,listen and answer.I am not allowed to playcomputer 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 It’s bad for your health if you spend too much time on them.headachetoo tiredsore eyes1.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 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 trueInvention Time Place Use When was it developed?Where was it developed?Listen...
