Выпишите из текста неправильные глаголы, укажите три их основные формы и переведите на язык. during summer holidays most of students work in different parts of our country. they go to the virgin lands or to some construction site of siberia, or work in the fields of collective and state farms. their aim is to help as much as they can to develop industry and agriculture. last summer some students of our group went to siberia in order to work at a new plant producing equipment for mechanical and chemical processing of timber. i did not want to go to siberia as i had already been there. from july 15 till the end of august my friends and i worked on a big collective farm not far from our city. the farm is rather rich. it has large areas under field crops, vegetables and fruit trees. to improve soil fertility and to increase the yields the farmers use fertilizers. the fertilizers to be applied are produced at a big chemical plant situated not far from the farm. many agricultural processes are mechanized and the most modern farm machinery is used both for crop cultivation and for livestock breeding.

идти - go went gone
быть - be  was were been
мочь - can could -
делать - do did done
иметь - have had had

ответ: nowadays, you can't do without a computer. it is present in almost all areas of human life: it plots courses for ships and planes, manages space stations, creates projects for various buildings and their interiors, helps draw drawings, keep records, make up books and magazines, and even write music!

with the advent and development of computer technology, readers no longer need to fill cabinets with thick volumes, and music fans-to pile on the shelves of numerous cassettes. now you can just buy a few small disks with a large amount of information on them.

thanks to the internet, the computer has become an inexhaustible source of knowledge for schoolchildren and students. what's not here: educational games, encyclopedias, dictionaries, and much, much more. that is, the benefits of a computer are obvious and unquestionable.

but at the same time, you need to know about the harmful effects of working with it: for example, such as reduced vision, headaches, overstrain of certain muscle groups, etc.,

this is quite simple if you follow a few rules: do not sit at the computer all day long, often ventilate the room and do gymnastics. and then this smart car will turn into your real friend.

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in our turbulent age, when all areas of life are constantly improving and developing, it is difficult to find a home, office or business that does not have a computer.

it is difficult to find a person, even among preschool children, who does not have the simplest skills to work with this smart machine. what a few decades ago seemed something incomprehensible, unknown, complex and almost fantastic, has now become common and accessible even to a child. many people can no longer imagine their work, study, or daily life without a computer.

the first electronic machines were invented to help people make complex mathematical calculations and store numerous huge formulas in their memory. but over time, it turned out that these machines can

объяснение:

Writers and commentators, I think, first broke through the dam of being blessed, which stood on the ways of solution of ecological problems in our country. Talk about ecology now, in the beginning of XXI century - is to speak not about a change of life, as before, and her salvation. We have to save the rivers which turn into gutters with ugly pimples reservoirs, save the soil from erosion and destructive ravines, save green sea of the taiga, save the air from all the growing pollution. Today, the line of the struggle for nature passes through every forest and arable land, "on the limits of the Yasnaya Polyana and fincas Ostrovsky, on the shore of some rivers, deserts, with their sand dunes, and if this war is really civic: it would not be citizens - there would be no war"    " Позовчера задовали тоже самое =) "