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举一反三
【单选题】最近的经验主义调查指出（）。
A.
股票的实际回报率与通货膨胀率是正相关的
B.
股票的实际回报率与通货膨胀率是无关的
C.
股票的实际回报率与通货膨胀率是负相关的
D.
股票的实际回报率与通货膨胀率之间的比率是1.0
E.
与股票的实际回报率无关
【单选题】Passage Three Immigrants are consumers as well as producers, so they create jobs as well as taking them. And the work they do need not be at the expense of native workers. Immigrants ofte...
A.
sometimes help to maintain the existence of some industries
B.
sometimes cause employment to fall
C.
may lower the wages of natives in general
D.
may help promote inflation