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Science, scientists, technology.
The word “science” comes from the Latin word “scientia”, which means “knowledge”. Science covers the broad field of knowledge that deals with facts and the relationship among these facts.
Science has a great influence on our lives. It provides the basis of modern technology- the tools and machines that make our life and work easier. The discoveries and inventions of scientists also help to shape our view about ourselves and our place in the universe.
Scientists study a wide variety of subjects. Some scientists search for clues to the origin of the universe and examine the structure of the cells of living plants and animals. Other researchers investigate why we act the way we do, or try to solve complicated mathematical problems.
Scientific study can be divided into three major groups: the natural, social, and technical sciences. As scientific knowledge has grown and become more complicated, many new fields of science have appeared. At the same time, the boundaries between scientific fields have become less and less clear. Numerous areas of science overlap each other and it is often difficult to tell where one science ends and another begins. All sciences are closely interconnected.
Scientists use systematic methods of study to make observations and collect facts. They develop theories that help them to order and unify facts. Scientific theories consist of general principles or laws that attempt to explain how and why something happens or has happened. A theory is considered to become a part of scientific knowledge if it has been tested experimentally and proved to be true.
Science has contributed much to modern technology. Some modern technologies, such as nuclear power production and space travel, depend heavily on science.
2. These are pencils. ___the pencils are black.
3. This is ___an___ orange juice. the___ orange juice is tasty (вкусный).
4. In the morning I eat a___ sandwich and have tea.
5. She has coffee and cake for breakfast. ___the___ coffee is hot. __the___ cake is tasty.
6. Do you like ice-cream?
7. I see a___ book in your hand. Is the__ book interesting?
8. We buy meat, butter and potatoes every week.
9. We always buy ___a___ cake. We eat the cake with tea.
10. This is my table. On the___ table I have ___a___ book, two pencils, ___a___ pen and paper.
11. This is ___a___ bag. ___the___ bag is brown. It is my sister’s bag. And that is my bag. It is yellow.
12. I write her, but __the letter never arrives.
13. Britain is ___an island.
14. What is ___the name of this village?
15. Jane is a___ very nice girl.
16. Montreal is a___ large city in Canada.
17. What is ___the___ name of ___the___ capital?
18. "What time is it?” – "I don’t know. I haven’t got ___a___ watch.”
19. When I go to Rome, I stay with an Italian friend of mine.
20. You look very tired. You need a holiday.
21. Can I have film for my camera?
22. Let’s go to a restaurant this evening.
23. That’s a good idea!
24. Tom is in school now.
25. I don’t like rainy weather.
26. It is autumn. ___a strong wind blows.
27. I’m late. the__ traffic is bad today.
28. the___ weather is fine now. It’s warm and sunny!