答案:C
His English teacher is a young girl, ____ left college only last year.
A.who
B.where
C.which
D.as
骨迷路因局灶性吸收并被富含血管和细胞的海绵状新骨所替代,继而血管减少,骨质沉着,形成骨质硬化病灶而产生的疾病,称为()
A.耳硬化症
B.梅尼埃病
C.听骨链中断
D.迷路炎
E.以上均不对