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Dinosaurs lived on the earth for 135 million years. They appeared 200 million years ago, and they disappeared 65 million years ago. They were the largest animals ever to live on earth, and they ruled the earth for a very long period of time.

Dinosaurs lived in North America, in Africa, and in Europe. Many dinosaurs lived in the water, which helped to hold up their great weight. The early dinosaurs walked on two feet, and they ate meat. The later dinosaurs were larger and walked on four feet. Some of the later dinosaurs ate plants only.

Why did dinosaurs die out? Nobody knows for sure. Probably, a change in the weather made serious problems for them. The plant life and the weather changed. Perhaps the dinosaurs couldn’t change fast enough.

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Dinosaurs …

1. lived in the water, which helped to hold up their great weight.

2. were very small.

3. ruled the earth from 200 million B.C. to 65 million B.C.

4. lived only in North America.

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We are delighted to offer you the very finest in Russian hospitality. From the moment you arrive, we promise to envelop you in our temi-honoured traditions of gracious Russian luxury. With the history that dates back to the 1820s the Grand Hotel Europe has played a central role in the City of St. Petersburg since the time of the Tsars.

1. The City of St. Petersburg c) Airport Customs

2. Travelling d) The Grand Hotel “Europe”

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The protective layer of the Earth, the ozone layer, which protects the Earth from the sun’s destructive UV (ultraviolet) rays, is being damaged by CFCs (chlorofluorocarbons). They are released by the daily use of industrial and household products: refrigerators, air conditioners, foam insulation, cleaning chemicals, food packaging. In the ozone layer they attack the ozone molecules making a “hole”. This “hole” allows more UV rays to penetrate to the Earth. It increases the risk of skin cancer, weakens the immune system of people. Besides, UV rays influence the oceans, the growth of plankton, an essential part of the marine-life food chain in the negative way, reduce economically important crops. The life cycle is going to be undermined by the ozone.

1. The Ozone Layer c) The Earth

2. Industrial Products d) The Protection of the Earth

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Large cities with thousands of smoky industrial enterprises pollute the air we breathe and the water we drink. Every year world industry pollutes the atmosphere with about 1 000 million tons of dust and other harmful substances. Many cities suffer from smog. Beautiful old forests disappear forever. Their disappearance upsets the oxygen balance. As a result some rare species of animals, birds, fish and plants disappear forever, a number of lakes and rivers dry up.

1. Nature Pollution c) Nature

2. Water pollution d) Animals