高温回火后所得的组织为（）
A.回火马氏体
B.回火屈氏体
C.回火索氏体
参考答案：C
34. The international agreement, ________ to encourage children not to smoke and help people
kick the habit, was signed on February 27.
A．intended
B．being intended
C．intending
D．to intend
将成本和结果均以货币为测量单位的评价方法是
A．CUAB．CBAC．CMAD．CEAE．CER
