请指出下列疾患中不宜做静脉泌尿系统造影的是（）
A、骨成骨肉瘤
B、甲状旁腺机能亢进
C、骨转移瘤
D、多发性骨髓瘤
E、骨的尤文氏瘤
参考答案：D
The next morning there was always something in anyone else's stockings. Only mine hung there __________.
A．high
B．nothing
C．full
D．empty
加涅把正迁移又分为( )
A．横向迁移和竖向迁移
B．近迁移和远迁移
C．顺向迁移和逆向迁移
D．正迁移和负迁移
