下列哪块肌肉的血液供应模式为Ⅲ型，并可以以两个不同的弧度旋转
A．拇长屈肌
B．比目鱼肌
C．内侧腓肠肌
D．臀大肌
E．胸大肌
参考答案：D
下列哪项最能断定为心功能失代偿期（）
A.心率加快
B.心肌肥厚与心脏扩大
C.心排血量下降
D.有效血容量增加
E.心脏收缩力增强
I had to show the foreigners around our office yesterday; otherwise I________you to Beijing. [ ]
A. accompanied
B. would accompany
C. would have accompanied
D. had accompanied
