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Section A

Unit9 When was it invented?. Section A. Alarm clock. TV. computer. car. Telephone. light bulb. microwave oven. electric slipper. calculator. Groupwork (1a:P68). 5. 1. When was the car invent ed ? It was invent ed in 1885. 1885. 1927. 1976. 1876. 1971.

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Section A

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  1. Unit9 When was it invented? Section A

  2. Alarm clock

  3. TV

  4. computer

  5. car

  6. Telephone

  7. light bulb

  8. microwave oven

  9. electric slipper

  10. calculator

  11. Groupwork (1a:P68) 5 1

  12. When wasthe car invented? It was invented in 1885. 1885 1927 1976 1876 1971

  13. A: When was the computer invented? B: I think it was invented in 1976.

  14. A: When was the TV invented? B: I think it was invented in 1927.

  15. A: When was the calculator invented? B: I think it was invented in 1971.

  16. Pairwork (1c:P68) A: When was the telephone invented? B: I think it was invented in 1876.

  17. What are they used for? light bulbs They are used for giving light.

  18. Oral Practice (2c: P69) Sentence pattern: -- What is it /are they used for? It is /They are used for ... -- Who was it /were they invented by? It was / They were invented by ...

  19. What is/are … used for? It’s/They’re … used for…

  20. Who was(telephone) invented by? It was invented by Bell. inventors inventions Papermaking Plane Washing machine Light bulb Car Telephone Henry Ford Edison Bell Ts’ai Lun Wright brothers fisher

  21. Listening (1b: P68) __ 1876 __ 1885 __ 1927 __ 1971 __ 1976 d a e c b

  22. battery-operated slippers 电池供电 的拖鞋 heated ice cream scoop 加热的 冰激凌勺 shoes with adjustable heels 可调节 后跟的鞋

  23. 2a Listen and number the inventions in the order that you hear. 2 3 1

  24. 2b Listen again. Match the inventions with their inventors and uses. Who was it/ were they invented by? Chelsea Lanmon Jayce Coziar and Jamie Ellsworth Julie Thompson What is it/ are they used for? scooping really cold ice cream seeing in the dark changing the style of the shoes Invention shoes with adjustable heels battery-operated slippers heated ice cream scoop

  25. shoes with adjustable heels Jayce Coziar and Jamie Ellsworth changing the style of the shoes scooping really cold ice cream Julie Thompson battery-operated snakers seeing in the dark heated ice cream scoop Chelsea Lanmon

  26. Sample dialogues: A: What is this? B: This is a heated ice cream scoop. A: What is it used for? B: It is used for scooping really cold ice cream. A: Who was it invented by? B: It was invented by Chelsea Lanmon.

  27. Grammar Focus (P69) The passive voice 被动语态 在被动语态的句子中, 谓语部分的结构是be + 过去分词。被动语态的句子的时态变化反映在be动词上。也就是说, 把一个句子做成被 动语态的句子, 只需要写出be动词 的所需时态, 再加上所给动词

  28. 的过去分词就行了。当然, 这只是指谓语部分而言。我们知道, be动词作为一个独立的谓语动词有自己现在分词(being)和过去分词 (been)。那么, 下面我们来看看be 在各种时态中的变化形式：

  29. 一般现在时 am / is / are 一般过去时 was / were 一般将来时 shall / will + be 过去将来时 would / should + be 现在进行时 am / is / are + being 过去进行时 was / were + being 现在完成时 have / has + been 过去完成时 had + been

  30. Make sentences 1. 世界上许多国家都讲英文。 in many countries all over the world . English is spoken 2. 纸是中国发明的。 Paper was invented in China. 3. 这栋大楼是去年建造的。 The building was built last year.

  31. 4. 他父亲不会让他娶玛丽为妻的。 He won’t be allowed , by his father, to marry Mary. 5. 他们毕业后将被派往广州。 They will be sent to Guangzhou after they finish school. 6. 这本小说已被译成了几种语言。 This novel has been translated into several languages.

  32. Exercise • 1.My mother made this skirt last month.（改为被动语态） • This skirt ___ ___by my mother last month. • 2.Did you seen the film last night? （改为被动语态） • ___ the film ___by you last night? • 3.li lei gave Tom a pen last night. （改为被动语态） • A pen ___ ___ ___Tom last night. • 4.It was invented in 1888.（对画线部分提问） • ___wasit___? • 5.They are used for seeing in the dark. （对画线部分提问） • ___are they used___? .

  33. Challenge • Read about an invention using an encyclopedia or other book form the library,or by looking up information on the Internet.Write up a short report and draw a simple picture about it.Then show the pictue and read the report to the class.

  34. GoodBye!

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