()收缩是铸件产生应力,变形和裂纹的基本原因。
A.固态
B.凝固
C.液态
D.液态和凝固
参考答案:A
—Have you seen Jack recently?
—No. He for another company now.
A.is working
B.had worked
C.worked
D.was working
以下的哪一种冲突管理方法最不能产生积极的结果()
A、问题解决法(ProblemSolving)
B、回避法(AvoidancE.
C、妥协法(CompromisE.
D、强迫法(Forcing)