记账式国债是一种无纸化国债，主要借助（）来发行。
A.中国人民银行分配
B.商业银行经营网点
C.财政部国债服务部
D.证券交易所交易系统
参考答案：D
He thinks he attend Tom's party to congratulate him on his success,but he is not sure whether he
will have time this Sunday. [ ]
A. shall
B. might
C. would
D. could
Java语言的执行模式是半编译和 【6】 。
