按（）确定人员，按出勤天数及出勤率计算保养工日数。
A、定额
B、规定
参考答案：A
My father is getting better day after day.
The nurse is teaching a group of women to perform breast self-examination. The nurse should explain that the purpose of performing the examination is to discover（）
A. cancerous lumps.
B. areas of thickness or fullness.
C. changes from previous self-examinations.
D. fibrocystic masses.
