软件生命周期中所花费用最多的阶段是 ______。
A．详细设计
B．软件编码
C．软件测试
D．软件维护
参考答案：D
解析：[评析] 软件生命周期分为软件定义、软件开发及软件运行维护3个阶段。本题中详细设计、软件编码和软件测试都属于软件开发阶段；维护是软件生命周期的最后一个阶段，也是持续时间最长，花费代价最大的一个阶段，软件工程学的一个目的就是提高软件的可维护性，降低维护的代价。
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 One day a poor man was traveling on horseback. At noon, he tied his horse to a tree and then __1__ to eat something. A few minutes later, a rich man came along and tied his horse to the same tree. "Please tie your horse to another tree, "said the poor man. "My horse is wild. It will kill yours. "__2__ the rich man said, "I shall tie my horse as I like! "he tied up his horse and had his lunch nearby. After a moment they heard a terrible __3__, the two horses were fighting. They went up to them, but it was too __4__. The rich man's horse was killed. "See what your horse has done! "cried the rich man. "You will have to __5__ it. "And he brought the poor man before Mr. Know. Mr. Know asked the poor man some questions. But he made no __6__ . At last Mr. Know said, "This man is dumb. He cannot speak. " "Oh," the rich man shouted __7__. "He can! He spoke to me when I met him." "Are you sure?" asked Mr. Know. "What did he __8__?" "He told me not to tie my horse to the same tree because his horse was wild and would kill my horse. " "Oh,"said Mr. Know. "So he __9__ you. Then can you expect to get money __10__ him?" The rich man said nothing and left silently. | |||
| ( ) 1. A. put down ( ) 2. A. So ( ) 3. A. song ( ) 4. A. late ( ) 5. A. pay for ( ) 6. A. idea ( ) 7. A. quietly ( ) 8. A. speak ( ) 9. A. helped ( ) 10. A. for | B. set down B. But B. word B. slow B. look for B. mistake B. angrily B. tell B. thanked B. from | C. sat down C. And C. bell C. hard C. wait for C. money C. happily C. talk C. warned C. with | D. turned down D. Though D. noise D. quick D. care for D. answer D. heavily D. say D. ordered D. about |