The role of money that does not cause the demand for money is（）
A. Standard of value
B. Means of exchange
C. Means of payment
D. Store of value
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At present, all countries in the world implement（）
A. Non-convertible fiat monetary system
B. Gold-silver bimetallic standard
C. Gold bullion standard
D. Gold exchange standard
The correct statement about the gold exchange standard is（）
A. Currency Symbols in circulation exchange bullion through foreign exchange
B. Use of gold coins in circulation
C. Gold bullion in circulation
Direct exchange of gold bullion for currency symbols in circulation
The bad money in the law of bad money expelling good money refers to（）
A money whose nominal value is higher than its real value
B. A money whose nominal value is lower than their real value
C. Money with no nominal value
D. Money with no real value
Money materials should generally have the nature of（）
A. High value
B. Easy to divisible
C. Easy to storable
D. Portable
E. Lower cost
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