提供曲线本身既有供给曲线的性质,又有需求曲线的性质.这种说法( ) A. 正确 B. 不正确 C. 不确定
A.
正确
B.
错误
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举一反三
【单选题】A comparison and contrast paragraph or essay can be organized by either a block method or a slice method. What method is used in the following paragraph? Boston and Detroit are completely different c...
【判断题】Block comparison or block contrast is to examine one thing thoroughly and then examine the other. In this way, the aspects examined in the two things should be identical and in the same order.
【单选题】A comparison and contrast paragraph or essay can be organized by either a block method or a slice method. What method is used in the following paragraph? Boston and Detroit are completely different ci...