| Effort/ obsolete/ track/ device/ Engine/ arithmetic/ mathematicians/ construct
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1. The famous philosophers Leibniz and Pascal both... somewhat primitive calculating.... 2. After a great deal of time and..., a working model of the Difference... was.... 3. Although the punched card is now becoming..., it was of critical importance in the development of the computer. 4. An abacus is a... that allows the operator to keep... of numbers while doing the basic... operations. 5. A square-shaped wheel wouldn't be... because it wouldn't roll easily. 6. Charles Babbage disliked doing the great amount of... that... had to perform in course of solving problems. 7. "Automating" means... machines to do jobs that people do.
2.22 Translate the sentences, mind the underlined words.
1. They just happen to do mathematics instead of filling teeth. 2. Despite his eccentricities, Babbage was a genius. 3. If this were true, the population of the earth would remain constant. 4. I wish to God these calculations had been executed by steam. 5. We might wonder today whether or not something could be done by nuclear energy. 6. The government had no intention of repeating its mistakes. Nor did Babbage's abrasive personality help his cause any. 7. Even though the Analytical Engine was never completed, the program for it was written. 8. Her notes turned out to be twice as long as the paper itself. 9. It is for Analytical Engine he never completed that we honor Babbage as " father of the computer. " 10. The inventor of the 19th century computer was a figure far more common in fiction than in real life.
