下列属于流动资金组成项目的是（ ）
A．机器设备
B．无形资产
C．应收账款
D．对外长期投资
参考答案：C
用秦九韶算法计算多项式f(x)=5x5+4x4+3x3+2x2+x,当x=3时的值.
—Why are you late for class again?
—I was to go back when the headmaster called us together.[ ]
A. about
B. able
C. used
D. supposed
