V. Use the correct form of the word given in each sentence. (1.5 pts

1.Be careful ! __________ can kill. (electrical)

2.Bell started experimenting with ways of transmitting _________ over a long distance. (speak)

3.Please take this form to your teacher and ask her _______________ it. (signature)

4.She enjoy the ____________ atmosphere of the local library. (peace)

5.Many __________ have taken part in the Green Summer Program. (person)

6.The kitchen can be a __________ place for children. (danger)

1. I’ll make _________________ for the meeting tonight.                                          (arrange)

2. Alexander Graham Bell experimented with ways of transmitting _______________ over a long distance. (speak)

3. Ho Chi Minh City is an important _____________________ center.                                 (commerce)

4. Michael Faraday made a lot of __________________ in the field  of electricity.   (invent)

5. We’re thinking of _____________________ to Australia.                                     (emigrate)

6. There was an _____________________ of paintings at the Art Gallery.                (exhibit)

7. Your order is ready for ______________________.                                              (deliver)
8. This old man is _____________________ in one ear.                                            (deafen)

9. Thomas Watson was bell’s ____________________, wasn’t he?                           (assist)

10. Alexander Graham Bell _________ demonstrated his invention.                          (success)

điền từ

On March 3, 1847, Alexander Graham Bell(1)......... in Edinburgh. He was a(2)...... When he was a young(3)......., he(4)...........with parents to Canada and then to the USA. In America, he worked(5).......... deaf-mutes at Boston university. Soon, Bell started experimenting(6)......... ways of transmitting speech over aming distance. This led to the invention of the telephone.

1. born ; was born ; was boring ; bore

2. Scotland ; Scotsland ; Scotman ; Scotsman

3. man ; men ; worker ; teacher

4. move ; moving ; moved ; moves

5. with ; on ; as ; for

6. of about ; with ; at ;

III. Write the correct form of CAPITAL word to fill in the blank

1. Bell experimented with ways of transmitting..................over a long distance.      SPEAK         

2. It is ........................... to eat too much sugar and fat.                                             HEALTH      

3. After having taken an aspirin, her headache........................                                   APPEAR      

4. Our main............................... to export are rice, coffee and rubber.                       PRODUCE   

5. This form must have the............................. of the writer.                                      SIGN             

I. One of the inventions made in the world of science and technology is the telephone. This instrument has become an important part in our daily life The word "telephone " comes from two Greek words" tele " and " phone". These words mean "far" and "sound". The telephone uses electricity to carry sound over distance. So you see, the two Greek words tell us exactly what the instrument does. Since its invention by Alexander Graham Bell in 1876, the design of the telephone set has changed greatly. However, the way the telephone works is still the same. I. What has become an important part in our daily life? 2. What do the words " tele" and" phone " mean? 3. How does the telephone carry sound over a distance? 4. Who invented the telephone? 5. When was the telephone invented? 6. Has the design of the telephone set changed a lot since its invention? 2.Alexander Graham Bell was born in Scotland. He emigrated to Canada first and then to the USA in 1870s In America, he worked with the deaf-mutes at Boston University. Soon, Bell started experimenting with ways of transmitting speech over a long distance. He worked with Thomas Watson, his assistant. Bell and Watson conducted many experiments. He successfully demonstrated his invention to the public at countless exhibitions, he invented the telephone. By 1877 the first telephone was in commercial use. 1. Where was Alexander Graham Bell born ? 3. Who did Bell work with at Boston University? 4. What did Bell invent ? 5. Did Bell conduct many experiments in America? 6. Where did he successfully demonstrate his invention? 2. Where did he emigrate first ?