Reading on P25

1. new and different from anything known before (adj.) 2. the part of the face above the eyes and below the hair (n.) 3. watch and check sth./sb. closely to see how it/ he develops (v.) 4. hit sb./sth. quickly and slightly (v.) very useful or extremely valuable (adj.) Read the English explanations and guess the words. forehead monitor novel tap invaluable

6. not likely to move, change (adj.) 7. from time to time (adv.) 8. in fact, actually (a phrase) 9. suddenly or unexpectedly (adv.) 10. the flow of electricity through a wire (n.) current stable occasionally in truth abruptly

the first telephone

Alexander Graham Bell

Read the passage quickly and divide it into several parts and try to find the main idea of each part. The introduction about Bell. How Bell invented the first telephone. Bell’s achievements in other areas. Part1 (para.1) Part 2 (para.2-5) Part3 (para.6-7)

Listen & answer: 1.Why did Bell become interested in helping deaf people communicate and in deaf education? 2.What led Bell to invent the microphone? His mother was almost entirely deaf. His interest in helping deaf people communicate and in deaf education. Part 1:

Part 2: 1.What led to Bell’s most famous invention? 2.How did he invent the first telephone? a.Bell had a flash of inspiration. b.Bell invented the first telephone. c.Bell experimented with a straw joined to a deaf man’s ear. d.Bell designed a machine to separate the sound waves and allow different conversations to be held. e.Bell sent the first telegraph message to his assistant, Watson. f.Bell got the patent. g.The original telegraph sent a message at a time at first, original telegraph, Morse code, at a time 2. improve, design, machine, separate, sound waves, allow, conversations, difficult 3. experimented, a straw, joined, a deaf man’s ear, noticed, spoke, drew, sound waves, smoked glass 4. a flash of inspiration (sound waves, reproduce, moving electrical current, send, along a wire) 5. in searching to, invent, telephone

Part 3: 1. What did Bell experiment with in other areas? 2. How did people evaluate Bell? helicopter designs/ flying machines/ a strong kite to carry a man into the air/ tetrahedron shape 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.

What do the sentences imply? “Leave the beaten track occasionally and dive into the woods… All really big discoveries are the result of thought.” (refer to note 5 on P89)

Interviewing: If you are a reporter of the 21st Century, you got a task to interview Bell. Just make an interview. The interview should include Bell’s introduction, why and how to invent the first telephone and his achievements in other areas.

Blank filling: 1.He found that by ________ (press) his lips against his mother’s forehead, he could make the bones move in such a way _____(that/ which) she could understand what he was saying. 2.Bell never set out _________ (invent) the telephone. 3.The day is coming when telegraph wires will be ______(lay) no to houses just like water or gas--- and friends will talk to each other without _______(leave) home. 4.He made his last invention at the _________(advance) age of seventy-five years old. pressing that to invent laid leaving advanced

5. Bell was not a man to rest and he __________(interesting) himself in many other areas of invention. 6. While _________(search) for a kite strong enough to carry a man into the air, Bell experimented _______ (put) triangles together and discovered the tetrahedron shape. 7. ______(be) very stable, it has proved invaluable in the design of bridges. 8. As experimenting with a straw ______(join) to a deaf man’s ear, Bell noticed that whne he spoke into the ears, the straw drew sound waves on a piece of smoked glass. searching putting Being joined interested

Homework: 1. Rewrite this passage. (about words) 2. Recite Bell’s words mentioned in the passage.