Переведите предложения из активного залога в пассивный 1) listeners always admire such songs. 1 listeners always admire such songs 2) the children didn’t ask this question. 3) when did columbus discover america? 4) they don’t grow such fruit trees in cold countries. 5) they remembered the performance for a long time. 6) he ate the ice cream in no time. 7) did a famous architect build this palace? 8) a lot of tourists visit this castle. 9) he hung his coat on the hook. 10) little adam broke his toy car.

1) such songs are always admired by listeners. 2) this question was not asked by the children. 3) when was america discovered by columbus? 4) such fruit trees are grown in cold countries. 5) the performance was remembered for a long time. 6) the ice cream was eaten by him in no time. 7) was this palace built by a famous architect? 8) this castle is visited by a lot of tourists. 9) his coat was hung by him on the hook. 10) little adam's toy car was broken by him.

environmental protection is the main problem facing humanity nowadays. the image of a sick planet has become firmly established in the public mind lately.

ten years ago the word 'ecology' hardly meant anything for the majority of people, but today we can't help bearing it in our minds. it has happened because of the growing effect of the rapid industrial development of the natural world which has negative features of its own. as a matter of fact the state of environment has greatly worsened of late.

there is no doubt that soil, water and air are contaminated with toxic wastes. over the past few years we have been constantly speaking about ozone holes, droughts, high level of radiation, about food contaminated with chemicals. scientists in many countries are very much concerned about drastic changes in weather patterns. the worst drought, the mildest winter and the most devastating hurricanes have become typical in those parts of the world where they used to be a rare occurrence.