NEW HORIZONS » Стр.175 (7)
Find and read all the sentences with the passive in the texts. First the piano was known as the pianoforte developed from the harpsichord. Around 1780, the upright piano was created by Johann Schmidt of Salzburg, Austria, and later improved in 1802 by Thomas Loud of London whose upright piano had strings that ran diagonally. Graphite as a form of carbon first was discovered in the Seathwaite Valley on the side of the mountain Seathwaite Fell in Borrowdale, near Keswick, England, about 1564 by an unknown person. After that the first pencils were made in the same area. The doll was named after Ruth’s daughter Barbara. Barbie was introduced to the world at the American Toy Fair in New York City. The doll was intended to be a teenage fashion doll. The Ken doll was named after Ruth’s son. For the first time the idea to use underwater boats was suggested by the inventor Leonardo da Vinci, though the thoughts to perform underwater voyages had appeared much earlier. In the 1500s designs for underwater boats and submarines were presented. But the highest development of submarine constructing was observed after World War I began. At that time many practical and efficient submarines were invented and old ones were totally eliminated. At first, it was used exclusively in restaurants, railroad cars and ocean liners — places where large quantities of food had to be cooked quickly.