1. Its sunny! Take your shorts. 2. Its windy ! Take your off hat.
A. 1. I can read English, but I can not write. 2. I can not answer this question. 3. Now can you speak a little French? - Yes, I can do a little. 4. He can not walk much. 5. The boy was five years old, but he could skate. 6. Could you translate this text? - Yes, I could. 7. Tom could not do it last week. 8. I could only see the picture on the wall. 9. We can have lunch with me. 10. Can you tell me about this? - No I can not. 11.Who can open the door? 12. 12. I could not go to the theater yesterday, I did not have time. 13. You can smoke here. Can you give me this book? - I'm afraid not. 15. Can I have some tea? 16. Can I ask you a question? - Of course. 17. Tomorrow you can take this magazine. 18. Please tell me how to get to Pushkinskaya Street. 19. What can I do for you? 20. Can I leave a briefcase here? - I think yes.
B. 1. I can not do this job right now, I do not have time. 2. I can not eat lunch with you now. I'm translating an article. 3. Could you go to the theater last night? 4. He could come to us last week. 5. I could see this street very well. 6. She could not write a letter to us. 7. We could not discuss this issue on Monday. 8. Kolya was able to send a telegram only in the evening. 9. We were able to talk with these students after class. 10. I can start work tomorrow morning. 11. He can only get there in the evening. 12. Will you be able to translate these articles tomorrow? 13. Will he be able to meet these engineers at five o'clock? 14. She will not be able to finish this work tomorrow. 15. He will not be able to read these books on time. He does not have time. Надеюсь верно перевёл
Have gone - have been going
have worked - have been working
have packed - have been packing
have waited - have been waiting
have done - have been doing
have lived - have been living
have washed - have been washing
have written - have been writing
have learnt - have been learning
1) The ten fingers of a man hand's.
2) Доска для вычислений.
3) a mechanical way of multiplying and dividing, which is now the modern slide rale works
4) Napier.
5)independently invented by both Sir Isaak Newton, an Englishman, and Leibnitz
6) 1820
7) attempt to cut out the human being altogether, except for providing the machine with the necessary facts about the problem to be solved.
8) electromechanical machines had been developed and were used for business data processing
9) Hollerith invented a means of coding the data by punching holes into cards.
10) were called unit record machines because each punched card contained a unit of data.
11) electronic computers were developed to perform calculations for military and scientific purposes
12) By the late 1970s punched cards had been almost universally replaced by keyboard terminals. Since that
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