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人教新目标版九上英语unit9+SectionAPPT精品实用课件

发布时间:2013-12-10 13:25:35  

Unit 9

When was it invented ?
Period 1

invent [in'vent] calculator ['k?lkjuleit?] be used for scoop [sku:p] adjustable [?'d??st?b?l] heel [hi:l] battery ['b?t?r?] operate ['?p?reit] battery-operate slipper ['slip?] heat [hi:t]

v.发明,创造 n.计算器 用来做…… v.用勺舀 n.勺子,长柄勺 adj.可调整的 n.(鞋袜等的)后跟 n.电池 v.操作,作业 电池供电的 n.拖鞋 v.加热,使变热

New words

Discuss:
How to talk about the history of inventions.

The ways:
1.When 2.Who 3.What use

1b
a

Listen and match the inventions with the dates.

b

e d

1876 1885 1927 1971

c
calculator

1976

When was the telephone invented ?

I think it was invented in 1876.

1885

1976

1971

1927

Part2:

What use

What are the computers used for ? The computers are uesd for …….
(be used for +v-ing 被用于……)

Let discuss:

playing

games

search ing information read ing stories

chatting

with friends

Part3:

Who

interesting

inventions
New words

battery-operated

slippers

电池供电的拖鞋
heated ice

v.用勺舀 n.勺子 adjustable adj. scoop

cream scoop

可调整的 heel n.后跟 battery n.电池 operate v.操作
battery-operated

加热的冰激凌勺

shoes with adjustable heels
可调节后跟的鞋

电池供电的 slipper n. 拖鞋 heat v. 加热

2a

Listen and number the inventions in the order that you hear.

3

1

2

2b Listen again. Match the inventions with their inventors and uses.
Invention

Who was it/ were What is it/ are they invented by? they used for?
Chelsea Lanmon scooping really cold ice cream seeing in the dark

shoes with adjustable heels
batteryoperated slippers heated ice cream scoop

Jayce Coziar and Jamie Ellsworth

Julie Thompson

changing the style of the shoes

alarm clock

It’s an annoying invention. Because it wakes me up when I’m sleeping.

Guessing: What is it? what is it used for?

Microwave oven It is used for cooking and heating food
(加热)

I think computer is the most helpful invention. Because it helps me search the information that I need.


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