题目内容
己知3个类O、P和Q，类O中定义了一个私有方法F1、一个公有方法F2和一个受保护的方法F3：类P和类Q是类O的派生类，其继承方式如下所示： class P：protected O …； class Q：public O …； 关于方法F1的描述中正确的是 (58) ；关于方法F2韵描述中正确的是 (59) ；在关于方法F3的描述中正确的是 (60) 。
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Tom enjoyed going to the movies. He especially liked seeing movies made from stories he had read in the books. He went at least once a week. He liked to sit in the same seat, but sometimes when the theater was full, this was not possible. He had to sit wherever there was an empty seat. One evening, he found himself sitting behind a man who had his arm around a large dog on the seat beside him. This was strange, but even stranger was the dog’s behaviour(举止，行为). It seemed to be watching the movie with interest, but from time to time it would turn to the man and bark quietly in his ear. The man would just nod, and the dog would turn back to watch the movie. Sometimes when something funny happened in the movie, the clog barked quite loudly and wagged(摆动) its tail. Tom sat behind the man and his dog for a long time without saying anything. He thought it would be rude to speak to them while the movie was still on. But when it came to the end and the lights in the theater went on, Tom decided to say something. He tapped the man on the shoulder. The man turned around. "Yes" he said. "What is it" "Please don’t think me rude," Tom said, "but isn’t your dog’s behaviour rather strange" "You’re right," the man agreed. "It’s strange. He hated the film.\ Tom enjoyed going to the movies. He liked to sit ______.
利用PowerPoint不能制作出交互式幻灯片。( )
“录音机”程序不能对声音进行编辑和特殊处理。( )
计算机网络是由负责信息处理并向全网提供可用资源的资源子网和负责信息传输的______子网组成。
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