unit Alexander Graham BellReadingPPT课件

1、Lead-in Telephones become part of our life. But do you know who invented the telephone? A British inventor called Alexander Graham Bell.第1页/共25页How useful is his invention to How useful is his invention to human society? human society? Pre-reading第2页/共25页 Read the passage quickly and find out the ma

2、in idea of it.Scanning It mainly talks about the life of Alexander Graham Bell and how he made the great inventions.第3页/共25页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 e

3、ntirely 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?第4页/共25页aim :wanted to improvedesigned a machineexperimented withnoticedsuddenly had a flash of inspiration:inventedIn searching t

4、o improve the telegraph, Bell invented the first telephone!By chance第5页/共25页Para.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 chance第6页/共25页1. He found that by pressing his lips against his mothe

5、rs 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。第7页/共25页 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, a

6、nd before you know it, you will have something worth thinking about to occupy your mind. All really big discoveries are the result of thought.” 第8页/共25页“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。”第9页/共25页1) dive intoe.g. He dived into his pockets and

7、 fished out one dollar他迅速把手伸进口袋掏出了一美元。 迅速把手伸入跳水(头朝下)e.g. The boy dived into the river from the bridge.这男孩从桥上跳人河中。第10页/共25页注意: 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。 (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。第11页/共25页

8、He _ his career and made a greatcontribution 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. Thats an interesting idea, and well certainly follow it up.第12页/共25页the first time 第一次the instant / moment / minute3) every / each time 意为“每次; 每当”

9、, 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：第13页/共25页 _ I listen to your advice, I get into trouble. A. Every time B. Every time when C. At each time D. Each time that 第14页/共25页5. Bell never set out to invent the telephone and what he was trying to design was a multiple telegraph. 贝尔从未

10、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; 为某个目标而努力第15页/共25页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.第16页/共25页set out for = leave for“出发到去”Lets set out before dark.我们天黑前动身吧。Tomorrow Ill set out for Beijing.明天我将出发去北京。第17页/共25页 1.

11、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 oclock. 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 in第18页/共25页6. Suddenly he ha

12、d 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”inspirationC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。第19页/共25页 5. The patent was given in 1876, but it was not until five days later that Bell sent the first telephone message to

13、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.第20页/共25页1) It wasnt until nearly a month later _ I received the managers reply.(05全国I)A. since B. unless C. as D. that 2

14、) Did Jack come back early last night? -Yes, it was not yet eight oclock _he arrived home. (05 福建）A. before B. when C. that D. that高考链接:第21页/共25页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。 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 coldC. Being cold D. It having been cold第22页/共25页翻译练习:患