The（ ）of this disease has dropped considerably in the past few y

The（ ）of this disease has dropped considerably in the past few years.
A、treatment
B、incidence
C、consequence
D、misfortune
【正确答案】：B
【题目解析】：本题考查名词辨析。treatment“治疗”， incidence“发生率”， consequence“结果，后果”， misfortune“不幸，厄运”。句意：近几年这种病的发病率大大降低了。故选B。