The need to 【upgrade】 industrial equipment is great.

The need to 【upgrade】 industrial equipment is great.
A、change
B、rise
C、reduce
D、improve
【正确答案】：D
【题目解析】：句意：对工业设备进行改进迫在 眉睫。upgrade意为“改进”。选项中change意 为“改变”；rise意为“上升”；reduce意为“减 少”；improve意为“提高，改善”。故本题选D。