Упр.A Юнит 3 Рабочая тетрадь ГДЗ Rainbow English 9 класс
Баранова, Афанасьева, Михеева
9 класс
Класс
9
Предмет
Английский
Автор
Баранова, Афанасьева, Михеева
Упр.A Юнит 3 Рабочая тетрадь ГДЗ Rainbow English 9 класс
Задача
See how much you know about science and technology. Choose the appropriate variants (a–d) to complete the sentences.
- On the Earth, an astronaut in his/her spacesuit weighs about 135 kg. On the Moon they weigh about
- a) 10 kg
- b) 23 kg
- c) 50 kg
- d) 75 kg
- The real beginning of the space age started when the first sputnik was launched by the Soviet Union in
- a) 1957
- b) 1961
- c) 1972
- d) 1984
- Radium was discovered in 1902 by
- a) Albert Einstein
- b) Dmitry Mendeleev
- c) Michael Faraday
- d) Pierre and Marie Curie
- The first person to claim that the Earth revolves round the Sun was
- a) the Greek mathematician Pythagoras
- b) the Greek astronomer Aristarchos of Samos
- c) the Polish astronomer Copernicus
- d) the Italian astronomer Galileo
- It takes the Moon about
- a) twenty two days
- b) twenty five days
- c) twenty seven days
- d) thirty days
to travel round the Earth.
Подробный ответ
1. b) 23 kg — on the Moon an astronaut weighs about 23 kg.
2. a) 1957 — the space age began when the first sputnik was launched in 1957.
3. d) Pierre and Marie Curie — radium was discovered by Pierre and Marie Curie.
4. b) the Greek astronomer Aristarchos of Samos — he was the first to claim that the Earth revolves round the Sun.
5. c) twenty seven days — the Moon takes about twenty seven days to travel round the Earth.
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