一次函数y=2-x的图象在y轴上的截距是______．
∵一次函数y=2-x中b=2，
∴此函数图象在y轴上的截距式2．
故答案为：2．
Which of the following is least likely to be considered a drawback of utilitarianism()
A. Wealth transfer from the rich to the poor is expensive.
B. High income earners will work more.
C. Cost of tax administration associated with wealth transfers.
说明两个有关联的同类指标之比为（）。
A．率
B．构成比
C．频率
D．相对比
E．频数
