临产调护六字要诀是（）
A.惜力、忍痛、勿慌
B.睡、忍痛、慢临盆
C.安静、忍痛、整洁
D.安静、睡眠、忍痛
E.睡、忍痛、少活动
参考答案：B
Don't be discouraged. things as they are and you will enjoy every day of your life. [ ]
A. Taking
B. To take
C. Take
D. Taken
负荷预测可分为（）两种负荷预测方法。
A．系统和母线
B．发电机和用户
C．负载和出力
D．电网和电厂
