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【单选题】
Which of the following is a major limitation of the simple Ricardian model of comparative advantage? 下列哪一项是简单比较优势模型的主要局限性?A.
The model ignores the principle of diminishing marginal returns.该模型忽略了边际收益递减原理。
B.
The model recommends excessive governmental intervention in trade.该模型建议政府过度干预贸易。
C.
The outcome of the model suggested by Ricardo is a zero-sum game.模型的结果是零和博弈。
D.
The model is against the idea of engaging in free trade with nations.这种模式反对与各国进行自由贸易的想法。
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【简答题】破坏蛙脑时，探针的进针位置是（）
【单选题】Q: What is the first speaker going to do?
A.
Go to the engine room.
B.
Go to test the generator.
C.
Go ahead to front of the team.
D.
Try the main engine.
【简答题】Which speaker do you think believes supernatural things least, the first speaker, the second speaker or the third speaker?(Three words)不用写标点符号
【单选题】Q: What does the first speaker want to do?
A.
He wants to check the operation of the emergency generator.
B.
He wants to operate the emergency generator.
C.
He usually is in charge of the generator.
D.
He is a motorman.
【单选题】What is the first speaker going to do?
A.
Go to the engine room.
B.
Go to test the generator.
C.
Go ahead to front of the team.
D.
Try the main engine.
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