Scarcity requires that people must
A: cooperate.
B: compete.
C: trade.
D: make choices.
A: cooperate.
B: compete.
C: trade.
D: make choices.
举一反三
- If Slovenia were a large country in world trade, then if it instituted a large set of subsidies for its exports, this must A: have no effect on its terms of trade. B: harm world terms of trade. C: harm its terms of trade. D: decrease its marginal propensity to consume.
- Many people agree that ___ knowledge of English is a must in ____ international trade today.
- Economists make hypothetical assumptions about people ’s<br/>economic choices ( )
- Scarcity exists because A: society and people are greedy and wasteful. B: our wants exceed the resources available to satisfy them. C: of the inefficient choices we make. D: poor people need more food and other goods.
- If you make different trade in different countries， you must take different transport modes? （）