<span>1. Computers could replace people in dull routine work.
2. The program was a set of instructions that might also include data to be processed.
3. Computer-controlled robots had to increase the productivity of industry.
4. They could help in making different decisions.
5. The pupils might work with computers at the lessons.
6. Electric pulses could move at the speed of light.
7. Storage devices had to have capacities for the input, output data and programs and for intermediate results.
8. Business minicomputers could perform to 100 million operations per second.
9. In order to solve scientific problems researchers had to deal with the language of science — mathematics.
10. Programmers had to write application programs in a way that computers could understand.
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1. Ben isn't my friend.
My friend is not Ben.
Who is my friend?
Who is Ben?
Whose friend is Ben?
2. His book isn't in my bad.
Where is his book?
What is in my bad?
Whose book is in my bad?
3. This isn't page ten.
What page is it?
Is this page 10?
What number of this page?
4. Those aren't short texts.
Are those texts short?
What are those texts?
What texts are short?
5. This isn't a nice city.
Is this city nice?
What city is nice?
What is this city?
6. Minsk isn't a big city.
Is Minsk a big city?
What city is Minsk?
What is a big city?
We live in the house.
This house is really big.
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