龙卡通可签约办理（）业务
A.约定转存
B.自助转账
C.自动转账
D.自动汇款
参考答案：A, B, C, D
The people in Taiwan consume______milk per person today as they did twenty years ago.
A．more than twice as many
B．twice more than as much
C．so much more than twice
D．more than twice as much
浮点数尾数下溢的处理方法
