 81  a) Mark the statements which are True. 1. Nobody knows who was the first to use anaesthesia for killing pain. □ 2. It was in America where "laughing-gas" was found by Joseph Priestley, a prominent chemist. □ 3. For a long time no one was seriously interested in "laughing-gas". □ 4. A French doctor called Hickman was the first to try "laughing-gas" on dogs and other animals. □ 5. Horace Wells, an American dentist, decided to try an experiment on himself, but his friend refused to help him. D b) Write down your answers to the following questions. 1. Did many doctors and scientists in the past try to discover means of killing pain? 2. Is it difficult to say who was the first to find out anaesthesia? 3. Who found the gas which is now called "laughing-gas"? 4. How does the gas effect people and animals? 5. For what purpose was it first used by the young people of America? 6. Who made experiments with the gas on himself? c) Ask five questions on the text. 52. Make up your sentences using the following words and word combinations on the topic Great Britain. 1. parliamentary monarchy 6. ruling party 2. consist of 7. educational centres 3. produce and export 8. found 4. the Queen 9. customs and traditions 5. Parliament 81 |
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