题目

一Do you know why Chris decided to leave the company? 一He held out for higher wages，which were_____ in the end. A．put away    B．broken down    C．broken away  D．turned down 答案：D等底等高的圆柱体与圆锥体，如果圆锥体高增加12厘米，则圆锥体与圆柱体体积相等，已知圆锥的底面半径是5厘米，原来圆锥的体积是多少立方厘米？