1. Unit 9 When was it invented? Section A

2. Let's review the new words 发明 →n.v.inventorinvention calculator n. 计算器 scoop n./v. 勺子，用勺子舀 adjustable heels 可调整的鞋跟 battery n. 电池 pl. batteries operate v. 操作，手术 →n.operation slipper n. 拖鞋 heat v. 加热 light bulb microwave oven The ________ ________ many _________ all his life. inventorinventedinventions invent 电灯泡 微波炉

3. What ’ s this? When was the car invented? It was invented in 1885. It was invented by Henry Ford. Who was it invented by? a car 1885

4. What's this? When was it invented? Who was it invented by? Telephone 1876 Bell calculator 1971 Pascal ['pæskəl]

5. computer TV 19761927 Edward Roberts Baird What's this? When was it invented? Who was it invented by?

6. What are they? battery-operated slippers What are they used for? seeing in the dark  Who were they invented by? Julie Thompson

7. What are they? Shoes with adjustable heels What are they used for? Changing the style of the shoes  Who were they invented by? Jayce Coziar and Jamie Ellsworth

8. What is this? heated ice cream scoop What is it used for? scooping really cold ice cream Who was it invented by? Chelsea Lanmon

9. Listen and number the inventions in the order you hear them. 1 2 3

10. 2b.Listen again and match the items in columns. InventionWho was it/ were they invented by What is it/ are they used for? shoes with adjustable heels Chelsea Lanmonscooping really cold ice cream battery-operated sneakers Jayce Coziar and Jamie Ellsworth seeing in the dark heated ice cream scoop Julie Thompsonchanging the style of the shoes

11. microwave oven alarm clock light bulb Hate it or like it? and why?

12. What do you think is the most helpful/annoying invention? NameHelpful inventions WhyAnnoying inventions why Practice conversations like this A: What do you think is the most helpful/annoying invention? B: I think the most helpful invention is… A: Why is that? B: Well, it gives/helps people…

13. I don't like the alarm clock.I think it’s an annoying invention.Because it wakes me up when I’m sleeping.I like the computer.I think it's the most helpful invention.Because it helps me search the information that I need. Report like this:

14. What do you think is the most helpful/annoying invention? NameHelpful inventions WhyAnnoying inventions why I don't like the alarm clock.I think it’s an annoying invention.Because it wakes me up when I’m sleeping.I like the computer.I think it's the most helpful invention.Because it helps me search the information that I need.

15. 可调鞋跟的鞋 电池操作的拖鞋 加热的冰激凌勺子 舀很冷得冰激凌 改变鞋的样式 钢笔用来写字的。 电话是谁发明的 ? 它是由 Bell 发明的。 计算机是什么时候发明的？它是 1976 年发明的。 微波炉是做什么用的 ? 它是用来加热食物的。 你认为最有用的发明是什么？ 我认为最有用的发明是电灯泡。 它能够每天给人们更多的时间工作和玩。

16. Crazy inventions used for dancingused for driving and flyingused for walking and singingused for living and walkingused for driving in the sea used for driving