Упр.4 Юнит 7 Урок 3 ГДЗ English Кузовлев 10-11 класс

1. What important inventions were made in Russia? When were they made? Do you know the names of the inventors?
2. What fads did you learn about?

1. Some important inventions made in Russia are the radio, the helicopter, the television, the periodic table, and the electric lamp.

The radio was invented by Alexander Popov in 1895. The helicopter was designed by Igor Sikorsky in 1939. The periodic table was created by Dmitri Mendeleev in 1869. The electric lamp was improved by Alexander Lodygin in the 1870s.

2. I learned about such fads as the belief that the Great Wall of China is visible from space with the naked eye, that people use only 10% of their brains, and that goldfish have a three-second memory.