The multimedia possibilities of modern computers are practically limitless. Computers allow users to listen to music, play video games, browse the web, watch movies and keep up with their friends all from the comfort of their homes. As computer technology continues to improve over time, more and more possibilities are created daily.
Computers are also useful when paired up with the learning process, whether inside or outside of classrooms. Teachers use computers to aid presentations, giving pupils a more visual educational experience. Students receive the benefit of learning software designed to teach new concepts in entertaining methods in addition to access to the Internet for research assistance.
With a computer in the house, gone are the days of writing school papers by hand and paying bills via the postal mail. Computers add convenience to daily life, often turning a previously complicated task into a simple one. Users can even do their work or get an education from a computer.
Extensive long-term use of computers may result in a variety of health issues affecting the entire body. Wrist and finger pain may occur in users who spend years typing with improper mechanics. Other users develop lower back, spine or neck pain from poor posture. Straining to see the screen in addition to exposure to the brightness of the computer monitor may cause blurred vision, headaches and other issues for the eyes.
With so many computers connected to the Internet, users are at risk for a number of safety issues. Viruses, spyware and other forms of malware are a continual problem, and these threats may destroy files or steal personal information. Computers also give predators a new medium to take advantage of children in addition to creating a whole new class of cyber crimes for criminals to commit.
1) Paul was tired because he been working at his report all day long.
Paul was tired - Past Simple
he been working - Past Perfect Continuous
2) First she had breakfast, and then she packed her bag.
she had breakfast - Past Simple
she packed - Past Simple
3) After they had discussed the question for an hour, they came to a mutual decision.
they had discussed - Past Perfect (в данном случае действие "had discussed" в Past Perfect стало причиной того, что произошло другое действие "came" в Past Simple, то есть подчеркивается больше результат действия "had discussed" нежели затраченное время "for an hour")
they came - Past Simple
4) They had been doing their homework for more than an hour and a half when their parents arrived
.
They had been doing - Past Perfect Continuous
their parents arrived - Past Simple
5) The student left the room as soon as he had finished speaking.
The student left the room - Past Simple
he had finished - Past Perfect
Перевод посмотрите на картинку. кто этот человек? Как она выглядит.
Перевод такой
Моя милая милая мамочка
я тебя очень люблю
желаю тебе здоровья и счастья
в марте и всегда
1) This house was built by them 100 years ago.
2) The radio is listened to attentively by children.
3) The car has been sold by us.
4) The letter will be sent by Kate tomorrow.
