Old and New TechnologyOld inventions are not necessarily eliminated by new ones. After all, people did not stop riding bicycles after the car was invented. Thus, older inventions may be (1)____(replace), but they seldom disappear (2) beca____ new roles are created for them. Some of the best examples of this are from the field of long-distance communication.
　　Until the 19th century, communication had been limited by (3) dis____ and time. Then came a series of amazing inversions that extended the range of human communication. Each of these inventions was expected to replace (4)____(exist) technology. For example, (5) w____ the telephone was invented in 1876, it was feared that letters would disappear. When television was introduced in the 1940s, many people predicted the “death” of radio. And as television became more popular, people worried that it would lead to the “(6) de____” of books and reading. (7)____it is clear that these predictions were wrong. The older technologies—letters, books, and the radio—have not disappeared. Instead, their roles have been changed by the (8)____(appear) of new technology. Television, together (9)____the automobile, has provided a new role for the radio. Both television and the radio have (10) cr____ new roles for the newspaper. And all of these have affected the book.