市场经济本身可以抑制经济周期性的波动、失业和通货膨胀。
参考答案：错
当债券收益率出现较大幅度变化时，采用久期方法不能就债券价格对利率的敏感性予以正确的测量。（）
Students are ______ to speak loudly in the reading room. [ ]
A. told
B. supposed
C. not supposed
D. allowed
