Dmitri Mendeleev is a great Russian scientist of the 19th century.He is recognized as a great chemist who created the periodic classification of

will award him a Nobel Prize last year.5We sent for the police.

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Dmitri Mendeleev is a great Russian scientist of the 19th century. He _____ as a great chemist who_____ the periodic classification of the elements Dmitri Mendeleev was born in Tobolsk in 1834.At school,Dmitri_____ in mathematics,physics,and geography but was not good at languages.In 1855 he graduated from the Pedagogical Institute in St Petersburg with a goid medal for his____.In 1856 , he_____in chemistry. Dmitri Mendeleev's contribution to the world's science was_____. He was the first____the dependence of the qualities of the elements on their atomic weight.He forecast that the gaps in the table of elements would be filled in by elements which______yet.Dmitri Mendeleev was greatly honoured as a _____ of academies in many countries.Element No 101 _____ him. It is called Mendelevium.

million people. 2. In the West End there are many famous museums, theatres, palaces and parks. The British Museum is one of the most famous museums in the world. Is contains the most important collection of things from Greece and Egypt, including the famous Egyptian mummies. The West End includes Trafalgar Square, Piccadilly Circus and the main shopping areas of Oxford Street, Regent Street and Bond Street. 3. The Houses of Parliament built in the 19th century, are the place where the English Government sits. Big Ben is the name given to the clock and the bell of the clock tower of the Houses of Parliament. The great bell weighs thirteen and a half tons. Buckingham Palace is the home of Britain Kings and Queens. Every day a lot of tourists come to see the ceremony of Changing the Guard in front of Buckingham Palace. 4. The East End grew with the spread of industries to the east of the City, and the growth of the port of London. It is one of those areas of London where people from abroad have come to find work. The East End is especially famous as the centre of the clothing industry in London составить специальные вопросы к эту тексту))

archaeology was the sudden collapse of the Mayan Civilisation of Central America. The disappearance of one of the great civilisations of the ancient world puzzled scientists for years, as they searched for clues among the ruined and deserted Mayan cities. How could a sophisticated culture with its knowledge of mathematics and astronomy vanish into thin air? At its height in about 800 AD, there were probably about 13 million •Mayans supporting elaborate cities with grand pyrarnid temples. Their lands extended from Chichen Itza on Mexico's Yucatan Peninsula, through Tikal in Guatemala to Copan in Honduras. And then, almost instantly, everything collapsed. Researchers have recently discovered that it was in fact climate change that caused the collapse of Mayan culture. It coincides directly with several periods of intense drought each lasting about a decade. The worst drought lasted between about 760 and 800 AD. Each one put more intense pressure on an already fragile civilisation. The cities were densely populated. But they relied on corn-growing farmers who didn't produce enough to sustain both themselves and the city dwellers. Even though the Maya built reservoirs to collect water, their crops still depended on seasonal rains. Their land had few rivers, being mostly dry limestone. When the rains failed, the water for drinking and agriculture simply ran out. With few reserves and lacking what became crucial for survival, Mayan Civilisation died. History has many examples of cultures that collapsed in other parts of the world. Almost 3,500 years ago, a drought lasting about 200 years terminated a flourishing society in Mesopotamia. Scientists know from studying the rings in trees that a drought in about 1130 AD destroyed the Anasazi culture of the Chaco Canyon in New Mexico, USA. But not all societies have had to surrender to the devastating effects of drought. The Chumash, of California's Channel Islands, apparently changed their behaviour in response to climate change. When deadly droughts threatened their survival, these hunter-gatherers became traders. What can modern societies learn from the Maya's downfall? Supplies of clean water are one of the biggest problems facing countries all over the world. Australia has experienced record droughts since the start of the 21st century. The western USA uses so much water that the Colorado River is dry by the time it joins the sea. People will have to change their habits even more, in order to survive the climate changes that are predicted in the next decades.

buildings on the east bank of the Thames in London. It _______ (to build) in the 19th century after plans by sir Charles Barry. The houses of parliament________ ( to include) three massive towers Victoria tower, middle tower and saint Stephen or the clock tower which _________(to contain) a clock and a great bell, Big Ben, weighing 13.5 tons. There _______( to be) also the house of peers, the house of commons ,the residence of the speaker, the libraries and the offices. In world war ii the buildings ____________(to bomb) heavily and seriously ______________(to damage).