题目

题型：不详难度：来源：

A great many students have dropped out of school and now the number of our class has____51.

A．increased to

B．increased by

C．reduced by

D．reduced to

答案

D

解析

考查短语辨析。由句意可以排除A,B两项；reduce to “减少到”后接减少后的总量；reduce by“减少了”后接纯减少的量或比率。