Which of the following are characteristics of the steel structure（）
A. High strength and low weight
B. Good plasticity and toughness
C. Easy to manufacture and construct
D. Weak corrosion resistance
The official price of golds in terms of the national currency is known as（）
A. the convertibility factor
B. the exchange rate
C. the mint parity rate
D. the mint stock rate
Which of the following organizations was NOT the result of the Bretton Woods Conference in 1944（）
A. the League of Nations
B. the General Agreement on Tariffs and Trade
C. the International Monetary Fund
D. the International Bank for Reconstruction and Development
When wages are said to be sticky, it implies that（）
A. they do not adjust to market changes quickly
B. they are fixed
C. the government has minimum wage laws in place
D. none of the above; only prices are said to be sticky
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