与呼吸运动功能无关的是()
A.横膈
B.胸廓
C.纵隔
D.肺脏
E.支气管
参考答案:C
He would like to meet the headmaster ______ 8 a.m. ______ 9 a.m. tomorrow.
A.at; to
B.at; at
C.between; and
D.from; and
起源于纤维组织的良性肿瘤,称为( )。
A.癌
B.纤维瘤
C.肉瘤
D.母细胞瘤
E.以上都不是