关于骨性抵抗原因，错误的是（）
A.骨软化症
B.韧带短缩
C.骨性关节炎
D.关节内游离体
E.骨化性肌炎
参考答案：B
根据英文解释及首字母的提示补全单词。
1．m________: very angry
2．a________: to let somebody do something
3．c________: a person who gives special lessons
4．t________: hard, and not easy to bite
5．r________: something done better, quicker than anyone else who has done it
