第4题: [名词解释]External debt 参考答案:
Gross external debt, at any given time, is the outstanding amount of those actual current, and not contingent, liabilities that require payment(s) of principal and/or interest by the debtor at some point (s) in the future and that are owed to non-residents by residents of an economy.
第12题: [单项选择]在Java中,与数据库连接的技术是 A. ODBC B. YDBC C. 数据库厂家驱动程序 D. 数据库厂家的连接协议 参考答案:B 答案解析:[解析] ODBC,即开放数据库联接(Open Datebase Connectivity),它是用C语言定义的。由于J2EE要求与Java绑定,因此出现了JDBC,作为Java与数据库连接的技术。因