题目

At last，the judge sentenced him ___________ on the farm all his life.     A.for working                      B.to work     C.working                          D.to working   答案：Dsentence sb.to...判处某人……的刑，常用作被动结构be sentenced to，其中to是介词，后接doing或名词。  一个底面直径20厘米的圆柱形容器内装有水，将一个底面直径10厘米的圆锥完全浸没在水中，水面上升1.2厘米．求圆锥的高．