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1、第三部分 名人故事（四）16. Alexander Graham Bell and His First Telephone亚历山大格雷厄姆贝尔和他的第一部电话机亚历山大格雷厄姆贝尔，美国著名发明家和企业家。他发明了世界上第一台可用的电话机，创建了贝尔电话公司，被誉为“电话之父”。他出生在苏格兰的爱丁堡，并在那里接受了早期的教育。除了发明电话外，他还研制了助听器，改进了爱迪生发明的留声机。他对聋哑语的发明贡献甚大。从1875年到1922年间，他从美国政府那里就取得了三十项专利权。Today, as we look up over our bead at the telephone wires t
2、hat carry our words from one place to another, we cannot help thinking of Alexander Graham Bell, inventor of the telephone.Alexander Graham Bell was born in Scotland, but when he was young his family moved to Boston, USA. His mother was almost deaf, so Alexander became interested in helping deaf peo
3、ple communicate and in deaf education. This interest led him to invent the microphone.Bell never set out to invent the telephone and what he was trying to design was a multiple telegraph. This original telegraph sent a message over distances using Morse code. But only one message could go at a time.
4、 Bell wanted to improve it so that it could send several messages at the same time. He designed a machine that would separate different sound waves and allow different conversations to be held at the same time. But he found the problem difficult to solve. One day as he was experimenting with a straw
5、 joined to a deaf mans ear, Bell noticed that when he spoke into the ear, the straw drew sound waves on a piece of smoked glass. Suddenly he had a flash of inspiration. If sound waves could be reproduced in a moving electrical current, they could be sent along a wire. In searching to improve the tel
6、egraph, Bell invented the first telephone!On March 10, 1876, Bell and his friend Thomas Watson were at their posts several rooms apart, ready to begin another experiment. While working, Bell got his leg hurt, and he cried for help. “Mr. Watson, come here, I want you!” and Watson heard Bell crying ov
7、er his receiver! That was the first sentence ever spoken over a telephone.That night Bell wrote to his mother: “This is a great day with me. I feel that the day is coming when the telephone wires will be laid on to houses just like water or gas, and friends will talk with each other without leaving
8、home.”Two years later, telephones were installed in many cities in the United States. The number of telephones in use kept going up very fast year after year, and in 1922 there were over 20 million telephones in the United States only. C. he was almost deaf. D. his mother was almost.2. Bell invented
9、 the telephone _ A. because he had a deaf mother. B. but he had never intended to do so in the beginning. C. because he had made up his mind to realize this dream. D. so that he could talk to his assistant, Mr. Watson.3. The first sentence ever spoken over a telephone was _A. said by Bell.B. to ask
10、for help.C. to ask Watson to come to Bells place.D. all mentioned above.4. The original telegraph had a disadvantage because _ A. it could send several messages at the same time. B. only one message could go at a time. C. it sent a message over distances using Morse code. D. it separated different s
11、ound waves and allow different conversations to be held at the same time.5. During Bells funeral, all the telephones in North America were silent _ A. because there was an electricity failure. B. in order to show respect and admiration of the people to the great inventor. C. to celebrate the inventi
12、on of the telephone. D. remember the day of Bells death.(DBDBB)17. Alexander Fleming, Discoverer of Penicillin亚历山大弗莱明青霉素的发现者青霉素（也叫盘尼西林）的发明者亚历山大弗莱明，于1881年出生在苏格兰的洛克菲尔德，英国著名细菌学家。弗莱明从伦敦圣马利亚医院医科学校毕业后，从事免疫学研究。1928年弗莱明发现了青霉素。如今，青霉素已经救活了数以百万计的人们的生命，而且将来肯定还会救活更多的生命。doing any harm to man.Fleming wrote a paper
13、 in which he described penicillin in details. The paper was published in 1929. Because of the lack of enough means, he could not get enough quantity of penicillin to be used for man. It was only 12 years later that two other scientists succeeded in getting enough penicillin for the doctors to use in
14、 hospitals.In his lifetime, Alexander Fleming received a lot of awards for his achievements. For his discovery of penicillin, he won the Nobel Prize in 1945.Comprehension Questions:1. Fleming began his search for such a substance as penicillin _A. while studying at college.B. as soon as he graduated
15、 from college.C. during the First World War.D. when World War I ended.2. Penicillin _A. can cure any patient.B. can kill the dangerous germs without doing any harm to man.C. is only used on wounds.D. was widely used in the 1920s.3. Penicillin was first used in hospitals _A. in 1928. B. in 1929. C. in 1950. D. in 1941.4. Fleming became world-famous for _A. his experiments in the laboratory. B. a lot of awards he had received. C. his discovery of penicillin.D. the paper in which he described penicillin in details.5. The passage mainly _
