It can be inferred from the passage that the Byzantine Empire continuously suffered significant territorial losses ______ .
A. in 600
B. during the 7th century
C. a century after the cultural achievements of the Byzantine Empire had been lost
D. soon after the revival of Byzantine learning
查看答案
A．减少B．不变C．增加D．视磁盘而定
A. 减少
B. 不变
C. 增加
D. 视磁盘而定
交易所可根据市场情况调整履约金比率，调整后的履约金比率，要对调整前的交易进行追溯调整。()
A. 正确
B. 错误
按规定,基金经理可以直接向交易员下达投资指令或由基金经理直接进行交易。()
A. 正确
B. 错误
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