Выпишите существительные, которые употребляются только в форме множественного числа (около 25 слов):Athletics, cattle, scissors, taxes, economics, police, news, means, goods, pants, subjects, billiards, darts, outskirts, premises, mechanics, spectacles, clothes, stairs, maths, shorts, tights, gymnastics, congratulations, crossroads, patience, scales, lodgings, foundations, equipment, research, authorities, soap, contents, looks, countryside, traffic-lights, tongs, toothpaste, headphones, delays, binoculars, electronics, eyes, trousers.