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BN KIÊN NHẪN NHỈ ???
Read the text about Alexander Graham Bell and do the tasks:
Alexander Graham Bell is widely known as inventor of the first telephone. He was born on March 3rd, 1847 in Edinburgh, Scotland. When he was 23, Bell emigrated to Canada with his parents and the next year moved th the United States to teach deaf-mute children. With his colleague Thomas Watson, Bell worked very hard on the experimentation to invent devices such as the harmonic telegraph ( used to send multiple messages over a single wire) and phonautograph ( used to draw the shape of the sound waves). The first telephone communication was said to have happened between Bell and Watson in 1876 while Bell was at one end of the line, and Watson worked on the telephone in other room. The first transmitted words were, " Mr Watson, come here. I want to see you"
a. Decide if the statements are T or F
1. Alexander Graham Bell is Scottish /T/
2. He spent all his life in Canada /F/
3. He worked with the deaf when he moved to the USA /T/
4. He wanted to create a device that can transmit human voice /T/
5. He was able to succeed right from the first experiment /F/
6. He worked on his inventions all by himself /F/
b. Answer the questions
1. What is Bell 's "harmonic telegraph"?
It's used to send multiple messages over a single wire
2. What is Bell 's "phonautograph"?
It's used to draw shape of the sound waves
3. When did the first communication over happened and how did it happen?
.... ( mk chịu )
1. Alexander Graham Bell was born in Scotland
2. Alexander Graham Bell went to live in Canada
3. Alexander Graham Bell went to live in the United States
4. Alexander Graham Bell worked with people who could neither speak nor hear
5. Alexander Graham Bell worked with Thomas Watson
6. Alexander Graham Bell invented the telephone
Em hãy đọc đoạn văn sau rồi chọn một đáp án đúng cho mỗi câu hỏi bên dưới:
Alexander Graham Bell was born in Edinburgh, Scotland in the nineteenth century, and later came to the United States. Several members of his family did a great deal to encourage him in the field of science. His father helped him a lot by supervising hia work with the deaf. When he worked with the deaf and investigated the science acoustics, his studies eventually led to inventionof multiple telegraph and his greatest invention- the telephone. He dedicated the last quarter century of his life to advances in aviation.
1. What was Alexander Graham Bell's greatest invention?
A. multiple telegraph
B. telephone
C. aviation
D. acoustics
2. To what did Bell dedicate the last years of his life?
A. acoustics science
B. aviation
C. adventure
D. architecture
3. How many years did Bell dedicate to aviation?
A. 100
B. 50
C. 35
D. 25
4. What can we conclude about Alexander Graham Bell?
A. He worked very hard, but never succeeded.
B. He spent so many years working in aviation because he wanted to be a pilot.
C. He dedicated his life to science and the well- being of mankind.
D. He worked with the deaf so that he could invent the telephone.
5. Which is the following statements is NOT true?
A. Bell was born in the 18th century
B. Bell worked with the deaf.
C. Bell experimented with the science of acoustics.
D. Bell inveted a multiple telegraph.
. 1. Where was Alexander Graham Bell born ?
In Scotland
2. Where did he emigrate first ?
He emigrated to Canada first
3. Who did Bell work with at Boston University?
Thomas Watson
4. What did Bell invent ?
The telephone
5. Did Bell conduct many experiments in America?
Yes, he did
6. Where did he successfully demonstrate his invention?
At the countless exhibitions