Exchange rate fluctuations are limited by the cost of gold transportation, and the international balance of payments can be automatically adjusted. This monetary system is（）
A. international gold standard
B. floating exchange rate system
C. Bretton Woods system
D. mixed standard system
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The difference between the nominal exchange rate and the real exchange rate is mainly determined by（）
A. domestic interest rate
B. domestic and foreign interest rates
C. domestic prices
D. domestic and foreign prices
If the exchange rate of a country’s currency is persistently and obviously undervalued, it will often lead to（）
A. increase in foreign exchange supply, decrease in foreign exchange demand, balance of payments surplus
B. decrease in foreign exchange supply, increase in foreign exchange demand, balance of payments deficit
C. increase in foreign exchange supply, decrease in foreign exchange demand, balance of payments deficit
D. decrease in foreign exchange supply, increase in foreign exchange demand, balance of payments surplus
Which of the following currencies has a depreciating exchange rate and is sold off in the foreign exchange market（）
A. Soft currency
B. Non-convertible currency
C. Free foreign exchange
D. Hard currency
According to the business hours of the foreign exchange bank, the exchange rate can be divided into（）
A. opening and closing exchange rates
B. buying and selling exchange rates
C. t/t rates, d/d rates and m/t rates
D. spot and forward exchange rates
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