Pytanie 1
Uzupełnij luki wyrazami podanymi poniżej (fill the gaps with the words provided below).
machine, served, energy, turbines, pumping, convert, commonly, useful, generating, sails
A windmill is a that is powered by the of the wind. It is designed to the energy of the wind into more forms using rotating blades or . The term also refers to the structure it is built on. In much of Europe, windmills originally to grind grain, though later applications included water and, more recently, generation of electricity. Recent electricity versions are referred to as wind .
Source: http://en.wikipedia.org/wiki/Windmill (21.06.2008)