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Does walking on the moon make life better for people on earth? (41) all th
Does walking on the moon make life better for people on earth? (41) all th
游客
2025-03-27
15
管理
问题
Does walking on the moon make life better for people on earth? (41) all the problems of our own world, why should we be spending huge sums on trips to outer space? Such questions as these are often asked, especially (42) those whose tax money is paying for space explorations. The answers to these questions are many and varied.
Up to now, the practical benefits resulting (43) space research have included the development of new methods and skills, new processes, new services, new products, and even new companies created to make use of what (44) through space travel. Also among the benefits are better education (especially in scientific subjects), (45) management, higher quality of industrial products, and more rapid economic growth. People all over the world are now served by (46) weather predictions, better communication systems, and better understanding of the earth and its environment. Everyone will benefit (47) observations from space make it possible to measure the earth’s resources and (48) whether or not they are being used properly. (49) the space program will help our world deal with the problems of the environment. It has already brought a new appreciation of the complex system (50) man is only a part. [br]
选项
A、as
B、unless
C、although
D、until
答案
A
解析
此处的连接词as表示“当……时候”,主句用将来时态,从句用一般现在时。unless,although,until与表示承接的意义不符。因此,A为正确答案。
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