单选题 Directions: There are 10 blanks in the
following passages. For each blank, there are four choices marked A, B, C and
D. {{B}}Passage One{{/B}}
Foreign exchange markets are electronic
communication systems that {{U}}(56) {{/U}} major financial centers
throughout the world. Exchange rates are determined {{U}}(57) {{/U}}
supply and demand relationships, relative interest rate levels, relative
{{U}}(58) {{/U}} of inflation, political risk, and economic risk.
Alternatives {{U}}(59) {{/U}} affecting settlement of purchase and sales
claims were explored {{U}}(60) {{/U}} with the instruments available to
exporters and importers for financing their international
activities.