Предмет:
Английский языкАвтор:
maxine1. The first rocket was launched by R.Goddard in 1926.
2. Television was invented in 1930.
3. The theory of relativity was developed by A.Einstein.
4. The first bicycle was built in 1839.
5. The steam engine was constructed by George Stephenson.
6. The radioactive elements radium and polonium were discovered by Marie Curie.
7. Hot baths and central heating were used first by the Romans.
8. The first step on the Moon was made by Neil Armstrong.
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