Directions: There are 10 blanks in the following passages. For each blanks there are four choices marked A, B, C, D. You should choose the best answer.
　　Passage One
　　Banks face a risk of losses in _______41__arising from movements in exchange rates. Established accounting principles cause these risks to be typically most ____42_____in a bank’s trading activities. Banks act as "market-makers" in foreign exchange markets by quoting__43______to their customers and by taking ____44____positions in foreign currencies. The risks inherent in foreign exchange business, particularly in running open foreign exchange positions, __45_________during periods of instability in exchange rates.
　　41.
　　A. positions
　　B. roles
　　C. importance
　　D. currencies
　　42.
　　A. invisible
　　B. visible
　　C. importance
　　D. difficult
　　43.
　　A. data
　　B. numbers
　　C. information
　　D. rates
　　44.
　　A. open
　　B. close
　　C. short
　　D. long
　　45.
　　A. decrease
　　B. increaser
　　C. lessen
　　D. minimize

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