一个12岁小女孩,无意中发现左膝下内侧有一突出骨性肿块,你认为最大可能是什么病()
A.骨囊肿
B.半月板囊肿
C.骨巨细胞瘤
D.骨软骨瘤
E.骨结核
参考答案:D
不会导致APTT延长的因素是()
A.因子Ⅷ减少
B.因子Ⅸ减少
C.因子Ⅶ减少
D.因子Ⅺ减少
E.抗凝物质增多
Miss Zhao is very helpful. She often helps us ____we are in trouble. [ ]
A. whether
B. although
C. whenever
D. however