题目

﹣1的绝对值是（ ）A． 1                                  B． 0                                  C． ﹣1                               D． ±1 答案：考点：绝对值。 分析：根据绝对值的性质进行解答即可． 解答：解：∵﹣1＜0， ∴|﹣1|=1． 故选A． 点评：本题考查的是绝对值的性质，即一个正数的绝对值是它本身；一个负数的绝对值是它的相反数；0的绝对值是零．Steven has a lot of work to          in the office since he has been away for quite a few days. A．take up         B．make up          C．work out            D．carry out