哪种疾病无骨膜反应?()
A.软骨瘤
B.骨髓炎
C.成骨型骨肉瘤
D.溶骨型骨肉瘤
E.尤文氏瘤
参考答案:A
If it’s quite convenient to you, I with you next Tuesday.
A.stay
B.stayed
C.will stay
D.have stayed
项目的成本偏差等于()。
A.EV减AC
B.EV减PV
C.AC减EV
D.AC减PV