Foreign Exchange 

A . The FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central office. B . The FXS interface connects directly to a standard telephone，fax machine，or similar device and supplies ring，voltage，and dial tone. C . The FXS interface connects directly to an IP phone and supplies ring，voltage，and dial tone. D . The FXS interface connects directly to ISDN voice channels.

A．Right B．Wrong C．Doesn't say

(3) A．Forward transactions is not of typical foreign exchange transactions. B．Typical foreign exchange transactions occur in the spot or cash market. C．Forward transactions don't occur in the spot or cash market. D．Typical foreign exchange transactions occur only in the spot market.

A．never B．seldom C．constantly D．we cannot say

A、That B、Which C、It D、This

A．The SAFE B．The PBC C．The IMF D．The State Council

A．Its main function is to reduce the risk of fluctuating exchange rates or a change in the parity of currencies. B．The foreign exchange market can protect the traders against loss through exchange rate fluctuations. C．The foreign exchange market is the mechanism through which foreign currencies are traded. D．The important function of the foreign exchange market is to uniform. the currency being traded and circulate the knowledge of price changes.

The demand for foreign exchange can be either transaction or speculative based. The transactions demand for foreign exchange comes from those who wish to make payment to a foreign country for the purchase of a good，a service，or a security purchased from a resident of，or a company located in a foreign country．A resident of the United States wishing to make a remittance to a relative in the United Kingdom would also affect the demand for sterling. The same would be true if the resident of one country wished to make a contribution to a charity located in another country．Speculative demand for a currency is generated by the confidence speculators have in that currency vis-à-vis other world currencies．This demand could be based on political and/ or economic factors，as demonstrated during the 1970s．For example，when the mark was strong and the sterling weak，speculators would sell sterling to buy marks． The supply of foreign exchange is provided by those who are willing to sell a currency they hold．This may include those who will receive payments in a foreign currency for the export of goods and services，the sale of securities to foreign residents，or the receipt of foreign exchange resulting from gifts or contributions made by foreign countries．International speculators arc also sources of supply when they feel the currency they hold is weak relative to other world currencies．

A．depends on the real exchange rate. The quantity of dollars supplied in foreign-exchange markets depends on the real interest rate B．depends on the real interest rate. The quantity of dollars supplied in foreign-exchange markets depends on the real exchange rate C．and the quantity of dollars supplied in the foreign-currency exchange market depend on the real exchange rate D．and the quantity of dollars supplied in the foreign-currency exchange market depend on the real interest rate

A．New York; Frankfurt B．New York; London C．London; Frankfurt D．Tokyo; New York

A．increases; decreases B．decreases; increases C．Both a. and b D．None of the above

A．recollect B．suppress C．contemplate D．assert

A．transaction B．transfer C．transfom D．tansport

A．raised in the long run B．lowered in the long run C．unchanged in the long run D．raised in the short run but lowered in the long run