Using language Alexander Graham Bell Cheng Yang

Leading in Enjoy a video The development of cell phones

The earliest telephone

Alexander Graham Bell

Prediction What will you write about if you write a passage about Bell? A. His life B. His education C. The invention of the telephone D. His other inventions E. His marriage F. His hobby G. The importance of the telephone

Skimming Match each paragraph and the main idea Para.1 a new discovery-the tetrahedron shape Para.2 2. Read the passage quickly and find out the main idea of every paragraph. B. the invention of the telephone C. the first telephone message Para.3 D. the importance of the telephone Para.4 E. a continuing searcher Para.5 Para.6 F. curiosity Para.7 G. life information, interest

Detailed reading There are altogether six questions to deal with. You can discuss the questions in groups.

Detailed reading True or false Alexander’s interest in helping deaf people communicate and in deaf education led him to invent the microphone. 2. How did he make his mother understand him? T By pressing his lips against his mother’s forehead, he could make his mother understand what he said.

3. Guess the meaning of the underlined words. Leave the beaten track occasionally and dive into the woods. an area of trees building material difficulties 4.What does “leave the beaten track” mean? A. insist on doing the same thing B. look at things or try in a new way C. stick to the original method

5. What can we learn from the famous saying ? (more than one answer) A. It is important to look at things in a new way. B. One should be curious and explore around problems. C. One always need luck to find something valuable D. One should keep on trying in his research. E. If one wants to invent something, he should go to the woods.

6. Which of the following statements is not true? A. Bell set out to invent the telephone on purpose. B. Bell experimented with helicopter designs and flying machines. C. Bell was a continuing searcher to improve the quality of life. D. Bell’s curiosity led him to invent the telephone.

Further reading There are altogether three questions to deal with. You can discuss the questions in groups.

Further reading D A F C E B Put the sentences in order according to how Bell invented the telephone. He designed a machine to separate different sound waves. B. He invented the telephone by chance. C. He noticed the straw drew sound wave when he spoke into the ear. D. Bell wanted to improve the original telegraph. E. Suddenly he had a flash of inspiration. F. One day he was experimenting with a straw joined to a deaf man’s ear drum and a piece of smoked glass. The correct order D A F C E B

2. What is an tetrahedron shape? Can you draw a picture? 3. Find a sentence to replace the following one. He was truly an explorer who continually search for ways to make people’ life better, though we always think of him when referring to the telephone. Although he is most often associated with the invention of the telephone, he was indeed a continuing searcher after practical solutions to improve the quality of everybody’s life.

Consolidation Have an interview in pairs. One is a reporter. The other is Bell. The reporter will ask Bell some questions. Here are some questions to refer to. When are you born? What are your interests? What inventions do you make? How did you invent the telephone? 5. What else do you want to invent? ……

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： the first time 第一次 last time 上次； next time 下次； the instant / moment / minute / second … that 一 ……就

____ I sees him, the old man is sitting in the same chair. A. Every time B. Every time when C. At each time D. Each time that

3. 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。

They are setting out to do a new experiment. 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. 他们正在着手干一项新的试验。 He set out to break the record for the channel swim. 他决心打破游过海峡的记录。

set out to do sth. = set about doing sth. set out for = set off for = leave for 意为“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 in

4. Suddenly he had a flash of inspiration. 突然间, 他灵光闪现。 a flash of inspiration 指“灵感的闪现” inspiration n. 〔C〕鼓舞或激励的人或事物 These events provided the inspiration for her first book. 这些事是她第一本书的灵感来源。 〔U〕灵感, 启发；

He said my sister was the inspiration for his heroine. 他说我姐姐是他的女主人公的原型。 draw inspiration from 从……中吸取灵感 inspire v. 激励；鼓励 inspired adj. 借助于灵感创作的 inspiring adj. 鼓励人心的；激励的

reproduce vt. 复制; 再现……的形象或声音 5. If sound wave could be reproduced in a moving electrical current, they could be sent along a wire. 如果声波能够在移动的电流中复制, 它们就能够被沿电线传送。 reproduce vt. 复制; 再现……的形象或声音 The tape recorder reproduced the symphony. 录音机可使这交响曲重现。

current (1) n. 气流; 水流, 洋流; 电流 The current is strongest in the middle of the river． 河中央的水流最急。 This button switches the current on． 这个电钮接通电流。

(2) adj. 时下的, 当今的, 流行的, 通用的 Most of the old are interested in current events． 大部分老年人都对时事感兴趣。 They are expecting profits of over $2 million in the current year． 他们期望今年的利润超过二百万美元。 The word is no longer in current use. 这个词已不再使用。

Being very stable, 是Because it is very stable的省略句, 它在句中作原因状语。 6. 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。

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。 a stable relationship 稳定的关系 adj. firmly fixed; not likely to move, change or fail; steady 稳固的；稳定的；牢固的

7. Although he will always be known for his invention of the telephone, he was in truth 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。

She laughed and chatted but was, in truth, not having much fun. 她虽然又是笑又是侃, 但实际上玩得并不开心。 I was in truth a miracle. 这确实是个奇迹。

practical 实际的; 实践的; 实用的 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. 我们跑那么远只为了去度个周末实在很不切实际。 The dictionary is very practical. 这本词典非常实用。

Homework 1.Finish the summary of the text. 2.Finish the reading and get more knowledge of Alexander Graham Bell

Many thanks! Goodbye!