课件简介
本课件是人教版九年级英语Unit 9 When was it invented?第一课时 Section A (1a—2c)
本课件分为四个阶段：
感知语言，理解含义
学习语言，掌握例句
内化语言，举一反三
综合运用，拓展提高
本课件使用了四个音频：
音频1：歌曲《pretty boy》活跃气氛，激发学英语的兴趣
音频2：学习本课新单词。
音频3：课本section 1a 听力。
音频4：课本section 2a，2b听力。
作者： 李天军
单位： 承德市双桥区双峰寺镇中学
2011年11月
课件24张PPT。 新目标九年级英语
Unit9 when was it inventedperiod 1承德市双桥区双峰寺镇中学 李天军Section A 1a-2c
Warming upbe used for 用来做…… heat v.加热，使变热
adjustable 可调整的 operate v. 操作，作业
heel 后跟，足跟 battery-operated 电池供电的
battery n.电池
slipper n.拖鞋
scoop v.用勺舀
n.勺子
Electric adj. 电的，带电的
bulb n.电灯，电灯泡
light bulb 电灯泡
WordsLearning new wordsLead-inEdison invented the light bulb.
The light bulb was invented by Edison.Edisoninvention n.发明，创造
invent v.发明，创造
inventor n. 发明家 活学活用贝尔德Belld invented the TV.TV was invented by Belld.Belldinventor小结与归纳主动语态变被动语态的结构图:Bell invented the telephone in 1876.
The telephone was invented by Bell in 1876.主语谓语动词过去时宾语时间状语一般过去时的被动语态:助动词was/were + done1.Bell invented the telephone in 1876.
The telephone by Bell in 1876.
2.The workers built a bridge last year.
A bridge by the workers last year.
3.They bought some flowers yesterday.
Some flowers by them yesterday试一试was inventedwas builtwere boughtA: I think the TV was invented
before the car.
B: Well, I think the TV was
invented after the car.presentation 1aA: Who was the telephone invented by?
B: It was invented by Bell.
A: When was the telephone invented?
B: I think it was invented in 1876.年代（1876） Read and learnCar→Ford→1885
telephone→Bell→1876
basketball→Naismith→1891Making conversations using “who and when”.Listen and match the inventions and the dates. Listening practice
Section A 1bdaecb18761885192719711976 When was the car invented?
It was invented in 1885.1cPairworkheated ice cream scoop
battery-operated slippers
3 new inventionsNamesshoes with adjustable heelsWhat are they?adjustable3 battery >operate4 heatscoop1 adjust >2 heel > high heelbattery-operated slippersheated ice cream scoop
>New WordsListening (2a, 2b: P69)3122bListen again. Match the inventions with their inventors and uses.Oral Practice (2c: P69) Sentence pattern:
What is it / are they used for?
Who was it / were they invented by?
It is / They are used for ...
It was / They were invented by ...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.Sample dialoguesPairwork.2cGrammar FocusWhen was the car invented invented?
It was invented in 1885.
When were electric slippers invented?
They were invented last year.
Who were they invented by?
They were invented by Julie Thompson
What are they used for?
They are used for seeing in the dark.Written Expression学完本节课之后,你一定有一些想法,长大后，你想成为一个发明家吗？你想发明什么?它是用来做什么的，请把你的想法写下来吧。
One possible answer挑战你的想象力 I want to be an inventor
when I grow up, I dream of being a
a inventor like Edison.I will invent a kind
of food. The food is used for smelling.After I smell it . I am not hungry. I can live a long time without eating anything. But we are still healthy and energetic. What a beautiful dream!
I hope my dream will come true.2011年11月be used for 被用来做…… be used for doing sth =be used to do sth
eg. Stamps are used for posting letters.
Stamps are used to post letters.
Computers are used for playing games.
A glass is used for drinking water.be used as 作为……使用
English is used as a second language in China.
be used to doing sth 习惯于做……
My father is used to getting up earler.invent, inventor, invention 的用法词语点津1.He ______ a new kind of machine last year.
2. Edison is a great _______.
3. There are four great ______ in
ancient China.
inventedinventorinventions
