由于世界贸易的发展，银行与企业之间的外汇交易频繁，因此，外汇的零售市场构成了外汇市场交易的主要部分。
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刮刀的材料一般用（）。
A. 优质结构钢制造
B. 用T12A钢制造
C. 用铝合金制造
D. 用不锈钢制造
If two routers， both reachable from one another， originate functionally equivalent type 2 external- LSAs （i.e，same destination， cost and non-zero forwarding address ）， Which of the following statements wouldapply ？（）
A. Two LSAs will exist in the network for this destination， and both will be used
B. Two LSAs will exist in the network for this destination， but only the one generated by the highest RID ASBR will be used
C. Only the LSA generated by the highest RID ASBR will exist in the network
D. Only the LSA generated by the lowest RID ASBR will exist in the network
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