【单选题】( ) describes the pattern of the balance of trade following a devaluation, in which the trade balance at first falls and then rises.
A.
Purchasing Power Parity
【判断题】The balance of trade means the total amount of the import trade and the export trade in one country is equal.
【判断题】氮气可作为焊接铜及铜合金的保护气体。( )
【单选题】The balance of trade records
A.
trade in financial assets
C.
the value of merchandise exports minus imports.
【判断题】The J-curve Effect describes the pattern of the balance of trade following a devaluation, in which the trade balance at first falls and then rises.
【单选题】The balance of trade records
A.
trade in financial assets
B.
the current account plus long-term capital
C.
the value of merchandise exports minus imports
D.
short-term capital plus the basic balance
【判断题】因氮气不容于铜,故可用氮气作为焊接铜及铜合金的保护气体
【判断题】穿透型等离子弧焊焊接不锈钢或镍基高温合金,常用纯氩或氩中加入少量氢的混合气体;焊接钛及其合金,用纯氩或氩氦混合气体;焊接铜即可用氮气作为保护气体。()
【多选题】Which of the following are factors that affect the balance of trade?
A.
Multilateral, bilateral and unilateral taxes
B.
Exchange rate movements
C.
The cost and availability of raw materials
D.
Gross domestic product
【判断题】可用氮气作为焊接铜及铜合金的保护气体。( )