第29题: [单项选择]Policeman: OK, buddy, your driving license. How fast were you going William: Well it was about 50 mph or less. I was driving very slowly. Policeman: 50 mph ______ All right. That'll be one hundred dollars. 参考答案:A 答案解析:[解析] 根据上下文判断警察在处理超速的问题。C项和D项与情景不符;另外,限速用speed limit,而不是controlled speed。故A项正确。
第32题: [单项选择]若有以下定义和语句: int s[4][5],( *ps)[5]; ps=s; 则对s数组元数的正确引用形式是 A. ps+1 B. *(ps+3) C. ps[0][2] D. *(ps+1)+3 参考答案:C 答案解析:[解析]本题首先定义了一个4行5列的数组s,又定义了一个指向由5个元素组成的一维数组的指针变量ps,通过赋值让ps指向了数组s的首地址。此时数组元素 s[i)[j]的地址为“*(ps+i)+j”,数组