In order to limit the devaluation of the domestic currency caused by the hedge fund, a central bank need _________.

法定升、贬值(revaluation,devaluation)在下列哪种货币制度下存在

The more elastic is a nation’s demand and supply of foreign exchange the A: larger is the devaluation or depreciation required to correct a deficit of a given size in the nation’s balance of payments B: smaller is the devaluation or depreciation required to correct a deficit of a given size in the nation’s balance of payments C: less feasible is a flexible exchange rate system D: less feasible is a devaluation as a policy to correct a deficit in the nation’s balance of payments

The drop in value of a currency pegged to gold or another currency is known as ________. A: revaluation B: depreciation C: deterioration D: devaluation

The exchange rate between dollar and pound change from $2/£1 to<br/>$1/£1 implies( ) A: an appreciation of the dollar B: a<br/>depreciation of the dollar C: a<br/>devaluation of the dollar D: an exchange rate overshooting

CRISP-DM模型为一个KDD工程提供了一个完整的过程描述.该模型将一个KDD工程分为几个不同的、但顺序并非完全不变的阶段，包括businessunderstanding、dataunderstanding、datapreperation、（） A: Adeployment B: Bdesign C: Cmodeling D: Devaluation