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下列哪个选项中的作品全部出自美国作家之手？（）
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The logic behind the tradeoff between inflation and unemployment is that high aggregate demand puts upward pressure on wages and prices while raising output.()
施工准备工作未做好，不得提出开工申请。()
A firm operating in a perfectly competitive industry will continue to operate in the
An implication of the Employment Act of 1946 is that the government should respond to
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