Are you a couch potato? Do you watch TV or play video games during your free time?
Do you eat junk food and drink soft drinks when you watch TV?
Change your couch potato habits and become a healthy teen.
Exercise is wise. It helps you look good and feel happy. When you
have some free time, go cycling or play basketball with your friends. It is
lots of fun and you get plenty of exercise, too!
Your favourite series is on and you feel hungry. Instead of biscuits
and sugary soft drinks get a bowl of fruit with a glass of juice. They are
delicious and don’t contain fat. They are tasty, too!

When you don’t feel like going out, turn on the radio, find your
favourite tune, and start dancing. It’s fun!
3. Read the text again and complete the sentences. You may use your own
ideas.
1) Change your couch potato habits and …………………
2) Exercising helps you look good and …………………..
3) In your free time, you can ……………………………..
4) While you’re watching TV, don’t eat ……….or drink………….
5) Instead, you can have …………………………
6) While at home, you can tur on ………………..
4. Find these phrases in the text and guess the meaning:
- junk food; - soft drinks; - become healthy; - plenty of; - instead of;
- contain fat; - tasty; - turn on; - tune.​

nvironmental problems they cause great harm to the environment. Among the most relevant is the ozone layer, acid rains, global warming, toxic pollution, deforestation, pollution of groundwater with chemicals, soil degradation and erosion in some areas, and the threat of representatives of flora and фауны.Земля is home to a million creatures that make up the complex world of nature. In our days people try to change their environment to suit their needs - create agricultural land or to build cities. They pollute and destroy the environment wildlife, digging the earth for a coal or building roads. It is known that a quarter of all plants is endangered. There are different types of pollution: water, air, pollution of land and радиоактивное.Кислотный rain falls when toxic gases from nuclear power stations and vehicle emissions are mixed with oxygen and moisture in the air. These gases become part of the water cycle, and can be a long time spread by the wind, before falling out by acid rain which kills life in lakes, rivers and forests and destroying the lives of растений.Мировые temperature increases every year. This so-called global warming is caused by the accumulation of gases and evaporation of water in the atmosphere. These gases form a layer that reflects heat back to the earth. As the planet heats up, the polar ice will begin to melt. This can cause a rise in sea levels, and many of habitat will disappear under the водой.Экологические problems have no borders. However, environmental disasters can be avoided if people would expand their environmental knowledge, and everyone will understand that the beauty of nature is very fragile. The government should take serious measures against pollution of the environment.

Ecological problems harmfully affect the environment. Among the most actual problems are: ozone layer, acid rains, global warming, toxic air pollution, (лучше сказать не исчезновение, а вырубка лесов) deforestation, chemical pollution of groundwater, soil destruction in certain areas and the extinction of plant and animal species. The Earth is home for millions of creatures, which constitute the complicated wild world. Nowadays people try to change habitat of animals in order to satisfy personal needs, to create farmlands and to build cities. Digging the ground for coal mining and road building, they pollute and destroy the habitat of wild world. It's known that quarter of all plants are endangered. There are diverse kinds of pollution: water pollution, air pollution, soil pollution and radioactive pollution. Acid rain falls when poisonous gases from nuclear power stations and exhaust fumes from vehicles mix with oxygen and the moisture of the air. These gases become the part of water cycle and can be spreaded by wind for a long time, untill it will fall as an acid rain, which damage creatures in lakes, rivers, forests and affects harmfully the existence of plants. World temperature increase every year. This process is called the global warming. It's caused by congestion of gases and water evaporation in the atmosphere. These gases form the layer, which reflect heat back to the Earth. As the planet warms, polar ice starts melting. It can causes the increasing of sea level, and certain habitats will disappear under the water. Ecological problems are boundless. Nevertheless, it's possible to avoid environmental catastrophes if people will deep their ecological knowledge, and everyone will understand, that the beauty of nature is too delicate. Government should take measures to protect the environment from pollution.