[单项选择]劳动力供给富有弹性时,其劳动力供给曲线() A. 较为陡峭 B. 较为平坦 C. 与横轴平行 D. 与横轴垂直
参考答案:B
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第1题: [单项选择]She was complaining that the doctor was ______ too much for the treatment he was giving her. A. expending B. offering C. costing D. charging 参考答案:D 答案解析:[解析] charging意为“收费”,符合句意。A、C项尽管也有“花费,消费”之意,但搭配不当。