сочинение на английском за 5 класс на тему учёный и его изобретение

Scientist and his invention

Every good scientist should cherish his invention. It is important for a scientist to obtain a patent for an invention. A scientist must have a new discovery. The scientist usually writes a Ph. D. or doctoral thesis. Scientists can not rewrite information from other sources. The scientist must write a unique text. To check the uniqueness of the scholar's texts there is a special program. The work of the scientist is very hard, but it's worth it. A scientist opening his invention participates in conferences abroad.