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Образование-и-коммуникации

Is it possible to imagine our life without computers? no, of course. the twenty first century is a century of technology. computers now are an essential part of our life. that's why i want to speculate about the pros and cons of computer. i believe that the computer gives a lot of new possibilities. the computer is a source of information, means of communication and a great helper in education and in life. the computer helps time to take: it is possible to watch an interesting movie, edit photos,and listen to music . many believe that computers are ruining our health. also a lot of kids suffer from video game addiction but all this can be avoided if to observe safety measures: to sit at the correct distance from the screen, to ventilate the room and don't forget about physical development. if you do not abuse the computer, then it will benefit ,проверьте сочинение по .

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Ответ:
merifai
merifai
07.07.2020
В 3 предложении тире после века... а так все идеально))) УДАЧИ тебе)
4,6(64 оценок)
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Ответ:
wolfe8
wolfe8
07.07.2020
Today the greatest problem for humanity is pollution. The pollution of land, air and water threatens the nature.Air becomes polluted in many ways. There are a lot of industrial enterprises in the world. And uncontrolled emissions (gases, smokes, dirty water) of harmful substances and dust from metallurgical plants, steel mills, mines, chemical plants and factories pollute everything around us.​It is worth mentioning that one third of all emission into the atmosphere originates from transport.Thermal and nuclear power stations are also a great source of pollution. Radiation has become one of the main problems. In 1986 the Chernobyl nuclear power plant disaster poisoned significant areas of agricultural and forest lands of Ukraine, Belarus and Russia for 8 000 years.Another problem is wastes. The wastes from plants and factories contaminate water and soil. Household wastes such as all kinds of plastics, dead batteries and so on remain unruined for decades.  Another reason of soil poisoning is the use of fertilizers, which are harmful for a man.These are only some of the problems of the environment: acid rains, ozone holes, greenhouse effect, which brings us global warming and rises sea level.All these factors and pollutions threaten mankind and nature. They hurt people health, cause bad diseases and illnesses, reduce people life and even kill them; some kinds of animals and plants have already disappeared.Our environment must be clean. We have to control atmosphere and water pollution, to study the man’s influence on the climate. It is necessary to use purification equipment and the closed cycle use of water, look for wasteless technologies, to find the way of waste recycling, learn to use natural sources of energy, such as the energy of wind, sun, the energy of ebb and flow and look for new safe sources of energy.  We have to realize that the Earth is in danger. And we can stop killing the Earth and mankind only working together.
4,5(63 оценок)
Ответ:
vasiljev255
vasiljev255
07.07.2020
1.   a)     walked  2. b) phoned, was playing  3.     b) was working , found
4.  a)     arrived, was having  5.     a)     were working, hurt   
1.a)    came  2. a) met  3. a) came, had left  4. a) had done, phoned  5. b) had destroyed
1. b) would … do  2. a) would not go  3. a) would have been  4. b) hadn't been
5.     hadn't come, wouldn't have got up
1. My father told me to go home.
2.    Mum asked me if I was   having my classes the next day.
3.    My aunt asked me where I went on vacations.
4.    The boy said that they had English classes twice a week.
5.  The man said that he had invented a lot of useful things.
1. I have never been to London.  
2. I will advertise a new shampoo on TV.
3.  Did you take part in the football match?
4. Where do you live?
5.   Please, wait for me.
4,7(27 оценок)
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