Unit 3 Inventors and inventions Using Language 课件（22张）

课件22张PPT。Unit3 Using languageAlexander Graham Bell.
亚历山大．格雷厄姆．贝尔 The Telephone becomes part of our life. But do you know who invented the first telephone?Alexander Graham Bell.
亚历山大．格雷厄姆．贝尔 Lead-in A British inventor called Alexander Graham Bell.
亚历山大．格雷厄姆．贝尔 a landline陆上通讯电缆 dial telephonea cordless telephonea mobile phoneearly telephone with hand-cranked generator
转动曲柄以发动(引擎等)： Skim the passage quickly and find out the main idea of every paragraph.Para.1Para.6Para.7life background information, his interestHow was the telephone invented?a continuing searcherPara.2Para.3Para.4Para.5his belief: curiosity, creativity; exploring & thinkingimportance of his invention-telephonethe first telephone messagea new discovery-the tetrahedron shape Try your best to understand the article and grasp the main idea.conclusion It mainly talks about _____________________________
and_____________________________the life of Alexander Graham Bellhow he made the great inventions.Biography(传记）
Name:
Birth: Birth place:
When he was his family moved to .
11 years old: _______
75 years old: _______Alexander Graham Bell1847ScotlandyoungBostonhis first inventionhis last inventionBell’s most famous invention:
Recognitions:
The patent was given intelephone1876Sound waves could be
in a moving ,they could be sent along reproducedelectrical currenta wire He believed that one should always be curious and his most famous saying was: “Leave the beaten track occasionally and dive into the woods. Every time you do you will be certain to find something that you have never seen before. Follow it up, explore all around it, and before you know it, you will have something worth thinking about to occupy your mind. All really big discoveries are the result of thought.” Para2. Translate his belief/ his most famous saying:
他认为人应该保持一颗好奇心，他最著名的一名话是: “偶尔离开平路，去寻求困境。当你这么做的时候，你一定会发现你从未见过的东西。跟踪下去，不断探索，不知不觉中，你就会发现某种值得思考的东西占据着你的头脑。所有真正伟大的发现都是思考的结果。”
Para3.How was the telephone invented? aim :wanted to improve…designed a machine…experimented with…noticed…suddenly had a flash of inspiration:invented…In searching to improve the telegraph, Bell invented the first telephone!By chancethrough his exploring around problems and dynamic spirit Para6. inventions in other areas?
He experimented with ______________ and _____________. He put __________ together and discovered the _______ shape. Being__________, it has proved invaluable in the design of___________.
He made his first invention at _______and his last at_________________ .helicopter designsflying machinestrianglestetrahedronstablebridgeselevenseventy fiveBell was not a man to rest and an inventor all his life. He was indeed a continuing searcher after …1.dive into 跳水(头朝下)；迅速把手伸入；(对活动，问题等) 全心投入，潜心研究，钻研，探究/索
The diver dived into the pool from the high diving board.
跳水运动员从高台跳板上一头扎进水池里。
The thief dived ( his hand) into my pocket in an attempt to steal my wallet．
He dived into the history of China / his work． every time 意为“每次; 每当”, 名词短语连词化, 引导时间状语从句。2. Every time you do you will be certain to find
something that you have never seen before.由“不定代词+time” each / every / any time
介词+the time at the time(在…时候)by the time（到…为止）
序数词、形容词+ time the first / last / next time
the+瞬间名词 the moment/ instant/ minute/ second（一…就）
the+时间名词 the day/ week/ autumn / month/ year,
副词做连词 immediately, directly, instantlyEvery time I listen to your advice, I will get into trouble.
I’ll think of it each time I listen to music. 能用做连词的名词短语还有： 【即景活用】
I found myself in an entirely new world I arrived in Beijing.
A. at the moment B. the moment
C. for the moment D. in the moment
2) Jack saw her; he fell in love with her.
A. For the first time B. The first time
C. At the first time D. In the first time
3) I know her address, but I can't remember it .
at the moment B. the moment
C. for the moment D. in the moment= temporarily3. Suddenly he had a flash of inspiration.These events provided the inspiration for her first book.a flash of inspiration 指“灵感的闪现”inspiration n.灵感, 启发；鼓舞或激励的人或事物 这些事是她第一本书的灵感来源。draw inspiration from 从……中吸取灵感,得到启示的inspire v. 激励；鼓励 inspired adj. 借助于灵感创作的 inspiring adj. 鼓励人心的；激励突然间, 他灵光闪现。Being very stable, 是Because it is very stable的省
略句, 它在句中作原因状语。4. Being very stable, it has proved invaluable in
the design of bridges.(四面体)十分稳定牢固, 在桥梁设计领域的
价值难以估量。 _________ outside, he put on his coat.
A. It being cold B. It cold
C. Being cold D. It having been coldstable:
1. The patient’s condition is stable.
患者病情稳定。
2. The ladder doesn’t seem very stable.
这架梯子好像不太稳。
3.a stable relationship
adj. firmly fixed; not likely to move, change or fail; steady
稳固的；稳定的；牢固的Water can absorb and give off a lot of
heat without big change in temperature,
thus creating a _____ environment.
(07湖北）
A .peaceful B. sensitive
C .common D. stableD5. Although he is most associated with the invention
of the telephone, he was indeed a continuing searcher
after practical solutions to improve the quality of
everybody’s life.虽然他一直以发明电话闻名于世, 但是他的确
是一个永不停息的探索者, 不断寻求着改善人们
生活质量的可行方法。1) associate vt. 联想, 把...联想在一起 [+with]They associate turkey with Thanksgiving. 他们把火鸡和感恩节联系在一起。associate
vi. (与别人)交往，结交(伙伴、同伙、朋友等)(with):
在我们心中，春节是和愉快的家庭团聚联
系在一起的
In our minds the Spring Festival _____
________ ____ happy family reunions.
他的父母不喜欢他和网友来往。
His parents didn’t like him ___ ______ ____
net friends.isassociated with to associate with6. practical 实际的; 实践的; 实用的The dictionary is very practical. 我们跑那么远只为了去度个周末实在很不切实际。 I want some practical advice.我想要些实际性的建议。It wouldn’t be practical for us to go all that
way just for the weekend.这本词典非常实用。