如果是24小时的月嫂晚上应做到（）
A、一直睡觉就好
B、宝宝醒就起
C、不用理会宝宝哭闹
参考答案：B
There they met two Indian monks who were Buddhist masters and ______ as educators without salary. [ ]
A. were working
B. worked
C. have work
D. had worked
在市场需求调查中，( )是指现时无法实现、但随着收入水平提高或商品价格降低等因素的变化，在今后可以实现的需求。
A．有效需求B．潜在需求C．需求的增长速度D．供应需求
