It is desirable to（）the chemicals before the plant is seriously

It is desirable to（）the chemicals before the plant is seriously damaged.
A、splash
B、spill
C、pour
D、spray
【正确答案】：D
【题目解析】：本题考查动词辨析。splash意为泼溅；spill意为溢出；pour意为倾倒；spray意为喷 (液体)。根据句意，空格处的动作对象是化学品，所以D选项最符合句意。句意：最好在植物受到严重损害之前喷洒化学药品。