第4题: [单项选择]算法中,对需要执行的每一步操作,必须给出清楚、严格的规定,这属于算法的( )。 A. 正当性 B. 可行性 C. 确定性 D. 有穷性 参考答案:C 答案解析:[解析] 一个算法应当具有5个特性,即有穷性、确定性、可行性、有零个或多个输入以及有一个或多个输出。算法的确定性是指:算法中每一条指令必须有确切的含义,读者理解时不会产生二义性。并且在任何条件下,算法
第11题: [单项选择]Where does this conversation most probably take place A. He was not born in Beijing. B. His parents like Beijing better than he does. C. Beijing is the place where his parents were born. 参考答案:C 答案解析:[听力原文] M: My parents like Beijing very much, because they were born there. F: Oh, really So B