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【单选题】
有报道称，微软将以200亿美元收购雅虎搜索业务。但据《华尔街日报》报道，该消息纯属________。报道称，包括莱文在内的多个可靠消息均对此给予了否认。雅虎和微软的高层也否认了该消息，同时表示，近期不会有类似的交易谈判。 填入划横线部分最恰当的一项是（ ）。A.
子虚乌有
B.
人云亦云
C.
捕风捉影
D.
欲加之辞
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举一反三
【单选题】A firm that uses ________ segmentation divides a market into groups based on values, attitudes, or interests.
A.
demographic
B.
benefit
C.
psychographic
D.
normative
【单选题】Which of the following statements about a production function is correct for a firm that uses labor to produce output?
A.
The production function depicts the relationship between the quantity of labor and the quantity of output.
B.
The slope of the production function measures marginal cost.
C.
The quantity of output is measured along the horizontal axis.
D.
All of the above are correct.
【单选题】Don't make up any excuse. I'm _________ of your lies.
A.
free
B.
short
C.
proud
D.
sick
【简答题】A．It lies in a sense of fulfillment. B．It lies in their rich imagination. C．It lies in the increase of their knowledge. D．It lies in the opportunity to continue the search.
【单选题】If a firm that uses a production process that yields economies of scale charges a price equal to ________, then profit will be ________.
A.
marginal cost; negative
B.
marginal revenue; maximized
C.
marginal cost; maximized
D.
marginal revenue; positive
E.
marginal cost; positive
【单选题】Which one of the following statements is correct for a firm that uses debt in its capital structure?
A.
When computing the WACC, the weight assigned to the preferred stock is based on the coupon rate multiplied by the par value of the preferred
B.
The firm's WACC will decrease as the corporate tax rate decreases
C.
The weight of the common stock used in the computation of the WACC is based on the number of shares outstanding multiplied by the book value per share
D.
The WACC should decrease as the firm's debt-equity ratio increases
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