软件危机出现于60年代末，为了解决软件危机，人们提出了______的原理来设计软件，这就是软件工程诞生的基础。
参考答案：软件工程学
解析：[命题目的] 本题考查了软件工程的基本概念。 [解题要点] 为了消除软件危机，通过认真研究解决软件危机的方法，认识到软件工程是使计算机软件走向工程科学的途径，逐步形成了软件工程的概念，开辟了工程学的新兴领域——软件工程学。 [考点链接] 软件生命周期。
Talk about happiness We should not hesitate too much during the first half of our lives, while we should not regret at what we’ve done during the other half. We should seize every opportunity to find a way out in our lives, for it goes off swiftly. We should say something urgent slowly, something serious clearly, something small humorously and something unsure cautiously. We should never say something that did not happen, something that you cannot do, something that does harm to others, and something that is disgusting. We should tell others our happiness on specific occasions and should not tell anyone our unhappiness. Do not easily say something about others. We should follow our own heart and interest, and fulfill what we should do instead of merely paying lip service and looking forward to the future. Everyone is longing for a happy life, but owning wealth does not necessarily mean owning happiness. To truly reach happiness, we need to know how to get on with others. So we need to understand what happiness is really about and achieve what we desire. We need to know and understand happiness before we finally get it. A smart man must know to do something good even though it may be small, and not to do something evil even though it may be tiny in the course of socializing. As long as we keep a kind heart and do everything morally and legally, we can live a peaceful life. But if we keep an evil heart and do whatever we want, we are indeed digging a tomb for ourselves. A smart man knows to learn a lesson from his falls, for he knows that every setback is a precious experience leading to happiness in the future. He will not waste his time in criticizing others. Instead, he tends to spend more time seeking his own happiness. He knows to keep a heart of conscience and not to spread others’ mistakes. He also knows to think before he leaps so that he will not feel regretful afterwards. Moreover, he knows to tolerate others, so he can naturally lead a happy life. Without happiness, one will feel terribly miserable, for he always insists that he has done the right thing all the time and that others often do wrong to him. He blames every mistake on others or the environment instead of reflecting on himself, which keeps him farther and farther away from happiness. A celebrity once said, “Nobody intends to make mistakes. One makes mistakes because of his ignorance.” Therefore, if someone makes mistakes, we need to care about him, forgive him and enlighten him by setting a good example to him instead of losing temper and hating him. Otherwise, we are also ignorant like him, for we also make a stupid mistake that leads us farther from happiness. In order to possess a happy life, we need to know more about others, about the society, about our culture and history. We should be patriotic(爱国的), obey the law and realize our own responsibility, and then we will definitely have a happy life.
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