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oxford podstawa szkoła średnia
virus, useless invention, physicist, mouse, discover, take videos, take photos, crach, solar system, technology, mobile phone, listen to music, digital native, read the instructions, economist, launch a rocket, break down, service centre, what is he like ?, swich, get an award, archeology, plug, space, explore an idea, the laws of science, nowoczesny wynalazek, charge your phone, type in your password, revolve around the Sun, biology, space