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  3. Foreign exchange markets are electronic communication systems that【56】major

Foreign exchange markets are electronic communication systems that【56】major

游客2025-06-19  17
问题     Foreign exchange markets are electronic communication systems that【56】major financial centers throughout the world. Exchange rates are determined【57】supply and demand relationships, relative interest rate levels, relative【58】of inflation, political risk, and economic risk.
    Alternatives【59】affecting settlement of purchase and sales claims were explored【60】with the instruments available to exporters and importers for financing their international activities. [br] 【57】
选项 A、with
B、by
C、in
D、through
答案 B
解析 句意：汇率是由供求关系等决定的。用介词by引导。
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