企业在雇用劳动力时，企业愿意支付的工资率定义为（）。
A.劳动力供给价格；
B.劳动力需求价格；
C.劳动力均衡价格。
参考答案：B
The judge asked me many questions and ___.
A．they had difficulty being answered
B．answering them was with difficulty
C．they were difficult to answer
D．to answer them was to be difficult
硫酸吗啡是
A．毒性药品B．麻醉药品C．放射性药D．二类精神药品E．一类精神药品
