关于骨巨细胞瘤,错误的是()
A.常侵犯骨端
B.内可有骨嵴形成的分房
C.骨破坏呈偏侧性
D.肿瘤内常有钙化,有骨膜增生
E.肿瘤一般不穿破软骨
参考答案:D
We often provide our children with toys, footballs or basketballs, _____ that all children like these things. [ ]
A. thinking
B. think
C. to think
D. thought
与乙肝病毒感染后不同,甲肝病毒感染后一般不转为()。