The first vacuum cleaner was designed in 1869. Since then, vacuum cleaners have changed a lot. Nowadays the robot vacuum cleaner is getting more and more popular. This device cleans a house automatically. Following a programme, the robot drives slowly around the house and makes it cleaner. It operates with brushes and a tube. The robot is so flexible that it can get under a table or sofa or reach dust in corners. Some advanced models can also wash floors of all kinds. These functions are provided by a complicated electronic system and sensors inside. The vacuum cleaner looks like a plate and can be kept in the corner. It is friendly to children and animals and works on electricity., The Arctic Ocean is the smallest ocean of the world. It covers the northern polar region of the Earth. The Arctic region is a very cold place. The lowest recorded temperature there is minus 68 degrees. In spite of the cold, a lot of animals live on the Arctic ice. The polar bear is one of them. Now, due to global warming, the polar bear is in a serious trouble. The thing is that polar bears hunt seals and they need ice to do this. The bears wait for seals on the ice, hunt them in the water and go back to the shore. If the ice is too thin, it breaks under the bears’ heavy bodies and they may drown. The situation is getting worse and some researchers say the ocean may become ice-free as soon as 2050., It’s hard to find a more popular Russian symbol than the traditional Russian doll, or Matryoshka. It is well-known all over the world. The first set of dolls appeared in Moscow in 1890. It consisted of eight dolls. All of them were children: seven girls, one boy, and a baby. In those times, Matryoshkas were not meant as toys for children as their price was very high. Mostly, adults bought them as presents or home decorations. There was a belief that if you put a note with a wish into Matryoshka, it would come true. At the beginning of the 20th century, Russia started to export their national dolls abroad..

Speaking cards 10-12

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