在第三十二回中，谁劝宝玉关心一点仕途经济，宝玉异常反感，以致下令逐客（）
A、宝钗
B、探春
C、湘云
D、贾雨村
参考答案：C
The old lady had one son and two daughters, _____ treated her well, _____ made her very sad. [ ]
A. none of whom; which
B. neither of them; which
C. none of them; it
D. no one of whom; as
一幢7层的办公楼，建筑高度21m，建筑面积5000m2。设有消火栓系统，仅在走道上设置自动喷水灭火系统。请回答以下问题：
自动喷水灭火系统应设（）个水泵接合器。
A.4
B.3
C.2
D.1
