问题补充:
A great many students have dropped out of school and now the number of our class has51.
A. increased to
B. increased by
C. reduced by
D. reduced to
答案:
A. increased to
B. increased by
C. reduced by
(答案→)D. reduced to
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。