变造的货币是指在真币的基础上，利用挖补、揭层、涂改、拼凑、移位、重印等多种方法制作，使其改变形态的假币。
参考答案：对
All else equal, which of the following would most likely cause a firm's price-earnings ratio to decline（）
A. The level of inflation is expected to decline.
B. The dividend payout ratio increases.
C. The yield on Treasury bills increases.
根据《煤炭工业设计规范》的规定，小型井田沿走向方向的长度为（）。
A.≥7km
B.≥4km
C.≥1.5km
D.10～15km
