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问题
多项选择题
第二代支付系统中,小额退汇方式包括()。
A、来账核销转退汇
B、录入退汇业务
C、转汇业务
D、即时转账业务
答案
参考答案:
A, B
选择题
— I have got a pain in my back.
— No wonder. You _____ in front of the computer too long.
A. have worked
B. are working
C. have been working
D. worked
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填空题
6□84的1≈61万,□里可以填______.
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