1. We have taken (to take) a lot of pictures for our album this year. 2. He has left (to leave) for London, we won't see him for a month. 3. I have read (to read) this story twice; it's very interesting. 4. The weather has changed (to change) greatly; it's so cold now. 5. We have bought (to buy) Granny a nice present for her birthday. We think she will like it. 6. It will be (to be) very warm in Yerevan this week. 7. Where's the picture? I have given (to give) it to Bob. 8. Jane isn't at home now. She has gone (to go) to the playground. 9. They have done (to do) all their work. They are free to play now. 10. Look! Somebody is breaking (to break) the window.
Defects in vision, hearing, speech, or inability to move is limited by many people to communicate, learn, work and influence their environment.Personal computers, supplemented by special devices, and have the appropriate software, can reduce the impact of these defects.For disabled people's computers provide a good replacement for the lost capacity; allow more flexibility for special education; provide access to information not available to them in another way; provide new opportunities for education, work, communicate with people and leisure activities.Blind people can use computers with programs and devices to play it. With the help of computer speech synthesizer pronounces any words appearing on the screen. It provides access to the blind use computers most of the opportunities.In addition, the device and the pattern recognition software in combination with special devices allow computers to display printed text converted into tactile form Braille or speech. Thanks to these systems may blind yourself to read any book, magazine or newspaper without recourse to outside assistance.People with speech disabilities can also benefit from a computer synthesized speech. Keyboard input to the computer the messages you want to say, the dumb man can communicate by phone with a person who can not read.In addition, computerized messaging system is a means of rapid communication over long distances, especially valuable for those with speech or hearing damage, which is not possible using conventional phones.Computers largely also help people with reduced ability to move.Information systems provide people who are unable to go to the library, access to large banks of information.Computer-controlled manipulators (ie, the "hand" of the robot) can be programmed so that they perform the movement for a given program, and feel when in contact with objects. This allows lyudam with impaired motor ability to manipulate objects to perform actions such as eating, flipping pages in books and change a disc into the computer.Many people though do not lose the mobility of the hands or arms can not, operate on a standard computer keyboard. Special keyboard with large touch sensitive keys at the disposal of the people all of your computer.And people who can not work at all; neither coca keyboard voice can control your computer using a speech recognition device. For people with serious violations of voice and motor functions, developed special input device to enable, use a computer for communication and other purposes.Other systems, as has already been created and are in the stage of development and testing, include portable terminals that allow deaf people to send messages from any phone and take them.
2. He has left (to leave) for London, we won't see him for a month.
3. I have read (to read) this story twice; it's very interesting.
4. The weather has changed (to change) greatly; it's so cold now.
5. We have bought (to buy) Granny a nice present for her birthday. We think she will like it.
6. It will be (to be) very warm in Yerevan this week.
7. Where's the picture? I have given (to give) it to Bob.
8. Jane isn't at home now. She has gone (to go) to the playground.
9. They have done (to do) all their work. They are free to play now.
10. Look! Somebody is breaking (to break) the window.