19. bb16epu otbet ha bonpoc:
what programmes are good for children?
a) programmes that may have cruel scenes.
b) not all the programmes
c) some programmes that parents like
20. какое предложение выражает главную мысль текста;
a) not all the programmes that children watch are good for them.
b) young children should watch television with their parents.
c) maybe it is better for children to watch too much television.
21. onpegeju 103huno altopa rekta:
a) there is an aggression every where.
b) children copy what they see.
c) watching too much television is bad for children.
22. 3akoh4n npeqjokehne, uchodb3ys tekct:
one thing is clear:
a) children watch tv 4 or 5 hours every day,​

The problem of water pollution is especially acute in densely populated countries. In some regions of the planet, not only drinking water is lacking, in the dirtiest rivers it is unsuitable even for domestic needs.

Water purification is one of the ways to solve the problem of water pollution. Business owners should attend to the installation of quality treatment facilities. The presence of such devices, of course, is not able to completely stop the release of toxic substances, but they are quite capable of significantly reducing their concentration.

The use of recycling water supply technologies many times reduces the amount of harmful emissions, reduces actual water consumption, and reduces the loss of raw materials in production. In the process of purification, valuable substances that have got into the water during the production process are extracted from the contaminated liquid.

There is no place in the world where you will not find people who are not engaged in sport activities. Practicing physical activity, people become healthy, keep fit, make themselves more organized and become more disciplined. Many people take exercises to improve their health, and some people do it to become professionals.

The cause of many diseases is a passive way of living of people. There even exists an English proverb: ”A sound mind in a sound body”. And it is a reason, why it is never too late to start doing sport, as such people are really strong and happy. And many people are really fond of active lifestyle, so you can see them in the morning and in the evening, in the parks, in stadiums and streets.

People who are engaged in physical activity are not only strong and healthy but in addition, everyone can get a lot of fun and emotions for themselves from it. There are various types of sports: tennis, table tennis, ski jumping, skiing, athletics, football, swimming, hockey, basketball, volleyball and many others.

Football, volleyball and basketball are the most popular and there are many stadiums and gyms for these kinds of games. Children are especially fond of sport. They have so much energy and it is especially interesting for them to play some games. That’s why they visit different sections and take part in competitions, trying to become professionals.

Many people, who want to be healthy do gymnastics every morning, wash themselves with cold water and finish their day with a walk. These exercises help them to be full of energy and feel lively the whole day.