【正确答案】 The progress of human civilization has convincingly proved that science and technology constitute a primary productive force and an important driving force for economic development and social progress. None of the achievements mankind has scored by virtue of natural resources would have been possible without scientific and technological advancement. The 20th century is one full of splendid scientific achievements and full development of scientific rationality. Never before has mankind produced as many scientific results and material wealth as in this century. Major progress has been made in the studies of atomic energy, space technology, microelectronics, information technology, bio-engineering and new materials, which has greatly increased the human cognitive power of nature and society. Mankind is experiencing a global scientific and technological revolution.