国家开放大学 / 综合英语（1）
Which of the following statements about computerized monetary systems is NOT supported by the passage?
a.They promote international trade
b.They allow very rapid money transfers
c.They are still limited to small transactions (交易)
d.They are dependent on good telecommunications systems
a.They promote international trade
b.They allow very rapid money transfers
c.They are still limited to small transactions (交易)
d.They are dependent on good telecommunications systems
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