In the Western world, currencies are particularly valued against
A. the price of gold.
B. the US dollar.
C. the British pound.
查看答案
To maintain a favorable balance of trade, Britain must export
A. raw materials.
B. manufactured goods.
C. food products.
The passage is mainly discussing about（）
A. introduce the early period of industry development in the United States.
B. how important the economic life is in the America society.
C. the early development of American economy in 17th century.
D. how difficult the early life was in the 18th century of America.
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