骨髓瘤好发于下列哪些部位
A.肱骨
B.脊椎
C.肋骨
D.骨盆
E.胸骨
参考答案:B,C,D,E
解析:骨髓瘤好发于含红骨髓的部位,如颅骨、脊髓、肋骨、骨盆、胸骨、股骨、肱骨近端。
Jone’s father was among the first to make his fortune in___________is now known as the most fantastic tourist attraction—Hawaii.
A.where
B.what
C.which
D.that
螺纹接头的密封常采用()带。