牡丹国际卡在非特约单位办理转帐结算时，只能以（）作为结算货币
A、港币
B、美元
C、帐户指定货币
D、人民币
参考答案：D
供小麦胚发育的营养物质储存在 中。
Zhou Jielun__________ a lot that way. Now he__________ one of the best
singers. [ ]
A. learnt, becomes
B. learns, has become
C. has learnt; becomes
D. has learnt; has become
