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我们可以人为的使得软件不存在配置问题。( )
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集成测试计划在需求分析阶段末提交。( )
On the tour of France, the sight of the Mediterranean Sea reminded me of last summer when I, as a good swimmer, had hopped from the highest diving board at a pool and, as a result, hit the water with an impact so incredible that I ______1_____. From then on, my fear of water refused to ____2______.In the _____3___ of my painful memory, however, I heard shouting in French and saw a mob of people running into the sea with their clothes on. I realized the _____4______ with horror — rough waves were forcibly dragging a boy out to the sea. But despite the rescuers’great effort, they made little progressin reaching the drowning boy. ______5_____ the situation, I found it was the quickest access to the boy to go out on the jetty. I raced down the beach but when hit with water at the ridge of the jetty, I whirled around, convinced that someone else would save the boy.To my ___6___, no one was there.Seen from there, the boy was being _____7________ by vicious waves. Without any more delay, I threw myself into the water. I reached the boy in time to have him ______8_______. Afterovercoming the ______9_____ through swimmingsideways first and then floating to rest, we slowly made our way to safety. And the moment my hand hit the jetty, nothing signified my ___10_______ as much as just letting myself go in the water.
Summary of the textAudrey Hepburn, as an actress, ___1__ audiences with her wonderful acting in many popular films. Despite her success in the film domain, she preferred playing the roles of an _____2___ mother and a UNICEF Goodwill Ambassador.Audrey Hepburn suffered as a young girl in the war. __3_____ by the desperate reality of her life, she refused to give up and ____4______ those challenges.After the war, she ____5______ to London, and finally got a chance to become an internationally famous movie star. Despite her fame and wealth, Audrey remained a generous , simple and _______6______ woman. In 1988, Audrey accepted the role as a Goodwill Ambassador for UNICEF and in that role, she found her lifelong passion. She traveled to the most difficult places around the world to offer help and raise world awareness of wars and droughts.n 1992, Audrey was ___7____ by cancer and returned home with her family. But she remained a great woman till the end of her life. Her passion for service is ___8______.The ____9___ of Audrey Hepburn’s spirit of social responsibility and ____10____ lives on in her words.
一个容量为n的样本分成若干组，其中一组的频数和频率分别是40和0.25，则n=()
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