Like so many politicians, he had an ______ appetite for power.

Like so many politicians, he had an ______ appetite for power.
A、innumerable
B、inseparable
C、insufferable
D、insatiable
【正确答案】：D
【题目解析】：像许多政客一样，他对权力有着（贪得无厌的）欲望。
A. innumerable 无数的，数不清的
B. inseparable 分不开的; 不能分离的
C. insufferable 难以忍受的，令人不能容忍的
D. insatiable 无法满足的，贪得无厌的

insatiable 源于 satisfy（使满意，满足）
"in- "是否定前缀