1. Insert the words in the text. Scientific and Technological Progress It"s difficult to overestimate the role of (A) in our life. They accelerate the development of civilization and help us in our co-operation with nature. Scientists investigate the laws of the universe, discover the secrets of nature, and apply their knowledge in (B) the life of people. Let`s compare our life nowadays with the life of people at (C) . It has changed beyond recognition. Our ancestors hadn`t the slightest idea of the trivial things created by the scientific progress that we use in (D) . I mean refrigerators, TV sets, computers, microwave ovens, radio telephones, what not. They would seem miracles to them that made our life easy, comfortable and pleasant. On the other hand, the great inventions of the beginning of the 20th century, I mean radio, airplanes, combustion and jet engines have become usual things and we can`t imagine our life without them. A century is a long period for (E) , as it`s rather rapid. Millions of investigations the endless number of outstanding discoveries have been made. Our century has had several names that were connected with (F) . At first it was called the atomic age due to the discovery of the splitting of the atom. Then it became the age of the conquest of space when for the first time in (G) a man overcame the gravity and entered the Universe. And now we live in the information era when the computer network embraces the globe and connects not only the countries and space stations but a lot of people all over the world. All these things prove the power and (H) in our life. 1) the beginning of the 20th century 2) a certain era in science and technology 3) our every day life 4) the history of mankind 5) science and technology 6) the greatest progressive role of science 7) scientific and technological progress 8) practice improving