在钢的连续冷却C曲线上,当奥氏体冷速大于上临界冷速时,奥氏体过冷到Ms线以下,则形成()
A.铁素体
B.珠光体
C.马氏体
D.贝氏体
参考答案:C
— She has never been to Japan, ___________?
—_________. She went there last month.
A.has she; Yes, she has
B.is she; No, she isn’t.
C.has she; No, she hasn’t
D.is she; Yes, she is.
以下不属于神经症临床症状的是()
A.焦虑
B.人际关系冲突
C.躯体不适
D.否认回避现实
E.幻觉