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1、Unit 4 Amazing ScienceTopic 1 When was it invented?Section A预习展示预习展示小组合作讨论预习成果完成导学案Step 21. 玩电脑游戏玩电脑游戏2. 有害于你的健康有害于你的健康3. 在它们上面花费太多在它们上面花费太多 时间时间4. 给给Jane看一个模型看一个模型5. 发送卫星或宇宙飞船发送卫星或宇宙飞船 进入太空进入太空6. 关于宇宙飞船学到了关于宇宙飞船学到了 许多许多 7. 制作了这个火箭模型制作了这个火箭模型8. 进入太空进入太空9. 有一天有一天10. 实现实现11. 数码相机数码相机1. play computer g
2、ames2. be bad for your health3. spend too much time on it4. show a model to Jane5. send satellites or spaceships into space6. learn a lot about spaceships 7. make this model rocket8. go into space9. some day10. come true11. digital camera自学指导一自学指导一听读听读1a， 标出文中含有标出文中含有被动语态被动语态的句子的句子1.Im not allowed t
3、o play computer games.be allowed to do sth. 被允许做某事被允许做某事allow sb. to do sth. 允许某人做某事允许某人做某事2. -Whats it made of? - Its made of metalbe made of 由某种物质做成由某种物质做成(看得出原材料看得出原材料)be made from 由某种物质制成由某种物质制成(看不出原材料看不出原材料)3. -Do you know what a rocket is used for? -Its used for sending satellites or spaceship
4、s into spacebe used for doing sth.= be used to do sth被用来做某事被用来做某事be made of 由某种物质做成由某种物质做成(看得出原材料看得出原材料)be made from 由某种物质制成由某种物质制成(看不出原材料看不出原材料)be used for doing sth. 被用来做某事被用来做某事It is a computer desk.It is made of wood.It is used for holing a computerIt is a piece of paper.It is made from wood.It
5、is used for writing on.小组合作小组合作toothbrush/plasticred wine/grapesruler /steelcoat /clothbe made of be made from be used for doing sth. 自学指导二自学指导二听听2a录音，回答下列问题录音，回答下列问题1.What is mentioned in the dialog？2. What is it used for？3. When was it developed？4. Where was it developed？An MP3 playerIt is used fo
6、r helping us to improve our English.Around 1998.It was developed in Korea.InventionTimeCountry UseDigital camera（ ）1975Americatake photosComputer（ ） 1946Americahelp to work and studyCellphone（ ）1973Americacommunicate123123小组合作小组合作A: Whats this?B: Its a (an)A: Whats it used for?B: Its used forA: When
7、 was it developed?B: It was developed in A: Where was it developed?B: It was developed in Summary be made of VS be made from be used for doing sth.= be used to do sth. When was it developed? Where was it developed? be allowed to do sth. spend time/money on sth. spend time/money (in) doing sth. come true Thanks for attention!堂堂 清清 时时 间！间！