1. What Alexander Graham Bell’s invention was mentioned? *
2. What was he testing? *
A.a new telephone
B.a new transmitter
3. What happened to the burning acid? *
4. How did Mr. Watson receive Bell’s message? *
5. What do you think is the effect of the acid to the transmitter? *
6. How important is the telephone to you? *
7. If the telephone was not invented, do you think communication would be easy? Why? *
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Answer:
1. Telephone
2. B
3.It produced sound waves
4.He shouted