在生产实践中，常利用不同的加热和冷却的方法来改变钢的性能，其根据就是固态钢有（）性能。
A．过冷度
B．耐热
C．同素异构转变
参考答案：C
He fancies himself a great king. I can't fancy a thing like that. [ ]
A. as; he doing
B. be; him doing
C. as; his doing
D. /; himself done
流动资金周转速度
