劳动力需求的自身工资弹性是（）变动对工资率变动的反应程度。
A.劳动力需求
B.劳动力供给
C.劳动力需求量
D.劳动力供给量
参考答案：C
Tomorrow would be Christmas Day, and she had only $1.87 .
A．with which to buy a present to Jim
B．by which to buy Jim a present
C．with which she could buy a present for Jim
D．in which to buy Jim a present
按冶炼浇注时脱氧剂与脱氧程度碳钢分为（）、（）、（）和（）。
