填空题 Does walking on the moon make life better? 1 all the problems of our own world, why should we spend huge sums on trips to outer space? Such questions as these are 2 asked, especially by those 3 tax money is paying for space exploration. The answers 4 these questions are many and various.
Up to now, the practical benefits resulting from space research have 5 the development of new methods and skills, new processes, new services, new products, and even new companies created to make use of 6 has been learned through space travel. 7 among the benefits are better education (especially in scientific subject), more effective management, higher quality of industrial products, and rapid economic growth. People all over the world are now served 8 improved weather prediction, better communication systems, and better understanding of the earth and its environment. Everyone will benefit 9 observations from space make it possible to measure the earth"s resources and to observe 10 or not they are being used properly. Increasingly the space program will help our world deal with the problems of the environment. It has already 11 a new appreciation of the complex system of which man is only a part.
In addition to improving the quality of the existing products, the space program has been responsible for the development and improvement of new ones. The most important is the computer. To bring the endangered Apollo 13 astronauts home safely in 1970, a new flight plan had to be made taking account of an unbelievably complex combination of elements. The computer accomplished this task 12 seventy-two minutes, 13 a man or a woman working with pencil and paper would take more than a million years! 14 there had be no space program, it is 15 that computers would now be so widely used in industry and government.