Exercise 2. choose the correct answer according to the information in the text.
1. how is the difference in each currency's value stated?
a) in terms of other currencies
b) in dollars
c) in other commodities
2. is foreign exchange a constantly changing twenty-four-hour-a day market?
a) yes, it is.
b) no, it is not.
c) only sometimes.
3. how are foreign exchange markets linked?
a) by air-mail
b) electronically
c) by mail​

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