决策树中,由决策节点引出的分支称为方案分支。
参考答案:对
若本例为25岁女性,且临床、影像学检查基本排除其他部位原发肿瘤,则最可能的诊断为()
A.强直性脊柱炎
B.成骨型骨转移瘤
C.氟骨症
D.致密性骨炎
E.慢性硬化性骨髓炎
There ______ lots of people at the restaurant when I got there. [ ]
A. is
B. was
C. are
D. were