Looser带(假骨折线)是诊断下述哪种疾病的可靠征象()
A.Paget病(畸形性骨炎)
B.骨质软化症
C.甲状旁腺功能减退
D.骨纤维异常增殖症
E.石骨症
参考答案:B
下列元素含量符合牌号QT450-10原铁水成分要求的是()
A.C=3.8%
B.C=2.1%
C.C=3.7%
C
______, so she was surprised.
A.Mr. Brown didn’t know Jill was a college student
B.Mr. Brown didn’t know Jill was good at her subjects
C.Mr. Brown didn’t like Jill at all
D.Mr. Brown told Jill to be a cleaner