Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
A. Write down if the following statements are True (T) or False (F): 2. It was in America where "laughing-gas" was found by Joseph Priestley, a prominent chemist.
Ответ:
F
Похожие
- A. Write down if the following statements are True (T) or False (F): 1. Nobody knows who was the first to use anaesthesia for killing pain.
- A. Write down if the following statements are True (T) or False (F): 3. For a long time no one was seriously interested in "laughing-gas".
- A. Write down if the following statements are True (T) or False (F): 4. A French doctor called Hickman was the first to try "laughing-gas" on dogs and other animals.
- A. Write down if the following statements are True (T) or False (F): 5. Horace Wells, an American dentist, decided to try an experiment on himself, but his friend refused to help him.
- B. Answer the following questions: 1. Is it difficult to say who was the first to find out anaesthesia?
- B. Answer the following questions: 2. Who found the gas which is now called "laughing-gas"?
- B. Answer the following questions: 3. How does the gas effect people and animals?
- B. Answer the following questions: 4. Who made experiments with the gas on himself?
- Ex. 2. Choose the correct answer: 1. You've managed to make your little brother cry! Are you happy with... now?
- Ex. 2. Choose the correct answer: 2. After Barney... his chores, he had some rest.
