提出“天变不足惧,人言不足恤,祖宗之法不足守”的政治家是
A.商鞅
B.范仲淹
C.王安石
D.康有为
答案:C
I ( ) if you could tell me anything in this respect.
A. appreciate itB. should appreciateC. should appreciate itD. really appreciate
冷却的等温处理是将钢迅速冷却到()点以下的给定温度进行保温转变。
A.结晶
B.熔化
C.临界
D.沸腾