第4题: [单项选择]What is a phrase book designed for A. Learning a foreign language. B. Finding a job to continue to live. C. Communicating with foreigners. D. Making their work less hard. 参考答案:C
第23题: [单项选择]有以下类定义: class A char*a; public: A( ):a(0) A(char*a A. //把aa所指字符串复制到a所指的存储空间 B. char[st C. char[ D. ne 参考答案:A 答案解析:[解析] 为a申请一个比aa串长增加1的一个存储空问。B和C缺少new运算子,D分配空间不足。