Unit 3 Inventors and inventions Alexander Graham Bell Reading

课件25张PPT。ReadingLead-in Telephones become part of our life. But do you know who invented the telephone? A British inventor called Alexander Graham Bell.How useful is his invention to human society? Pre-reading Read the passage quickly and find out the main idea of it.Scanning It mainly talks about the life of Alexander Graham Bell and how he made the great inventions.Reading for details:Para. 1. What was his interest when he was young? And why?He became interested in helping deaf people communicate and in education. Because his mother was entirely deaf.He believed that his curiosity was the key to his success.(… one should always be curious…)Para.2. What did he think was the key to his success as an inventor?Para.3.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 chancePara.4-7 What is the importance of his invention?Friends will talk to each other without leaving home.What was his new discovery? The tetrahedron shape.By chanceWhy will he always be known as the inventor of the telephone?
Because it was a very popular invention and the patent made the
most money ever.
1. He found that by pressing his lips against
his mother’s forehead, he could make his
mother understand what he was saying.他发现当他把嘴唇放在母亲的前额上，他
就会让他母亲明白他说的话。 2. “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.” “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。”1) dive intoe.g. He dived into his pockets and fished out
one dollar．他迅速把手伸进口袋掏出了
一美元。② 迅速把手伸入①跳水(头朝下)e.g. The boy dived into the river from the
bridge.这男孩从桥上跳人河中。注意: dive into 作 “潜心于……” 讲时和devote oneself to sth. 的意思一样，但devote oneself to sth. 还有“投身于……; 把自己奉献给……” 的意思。③ (对活动，问题等) 全心
投入，潜心研究e.g. He dived into the history of China．他潜心研究中国历史。 He ____ his career and made a great
contribution to our country.
A. dived himself into
B. devoted himself to
C. dived into
D. devoted to2) follow up 　　继续下去e.g. That’s an interesting idea,
and we’ll certainly
follow it up.the first time 第一次
the instant / moment / minute3) every / each time 意为“每次; 每当”, 此短
语在句子中经常作连记词, 引导时间状语
从句做连词的名词, 引导时间状语从句。
能用做连词的名词短语还有： ____ I listen to your advice, I get into trouble.
A. Every time
B. Every time when
C. At each time
D. Each time that 5. Bell never set out to invent the
telephone and what he was trying to
design was a multiple telegraph.
贝尔从未打算发明电话而是试图设计一 种复
式电报。set out (to do sth.)开始（做某事）,着手干; 为某个目标
而努力They are setting out to do a new
experiment.译: 他们正在着手干一项新的试验。set out to do sth. = set about doing sth.set out for = leave for“出发到……去”Let’s set out before dark.我们天黑前动身吧。Tomorrow I’ll set out for Beijing.明天我将出发去北京。 1. At dawn, they set ____ to get ready for the work of the day.
A. off B. about C. out D. in 2. They set ____ at about 8 o’clock.
A. about to work B. about to working
C. about working D. out work 3. They ____ the mountain at noon.
A. set off to B. set out to
C. set out for D. set off in6. Suddenly he had a flash of inspiration.
突然间, 他灵光闪现。〔U〕灵感, 启发；a flash of inspiration “灵感的闪现”inspiration〔C〕鼓舞或激励的人或事物e.g. These events provided the
inspiration for her first book.这些事是她第一本书的灵感来源。 5. The patent was given in 1876, but it was not until five days later that Bell sent the first telephone message to his assistant, Watson. 这项专利是1876年发布的，但是贝尔是在5 天之后才跟他的助手华生通了第一次电话。It is/was not until… that …. 这是强调not until 引导的时间状语从句句型。
It was not until he finished his homework that he went to bed.1) It wasn’t until nearly a month later __
I received the manager’s reply.(’05全国I)
since B. unless C. as D. that
2) – Did Jack come back early last night?
--Yes, it was not yet eight o’clock ___
he arrived home. (’05 福建）
A. before B. when C. that D. that高考链接:8. 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。 ① Being very stable, 是Because it is very stable的省略句, 它在句中作原因状语。 _________ outside, he put on his coat.
A. It being cold B. It cold
C. Being cold D. It having been cold翻译练习:
患者病情稳定。
2. 这架梯子好像不太稳。adj. firmly fixed; not likely to move, change or fail; steady
稳固的；稳定的；牢固的② stablea stable relationship 稳定的关系The patient’s condition is stable.The ladder doesn’t seem very stable.have a break