题目内容

大动脉是弹性动脉，中动脉是肌性动脉

A. 对
B. 错

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中动脉中膜内有成纤维细胞

A. 对
B. 错

心壁从内向外分为

A. 肌膜
B. 心内膜
C. 心肌膜
D. 心外膜

心脏传导系统的三种细胞

A. 内皮
B. 移行细胞
C. 起搏细胞
D. 普肯耶纤维

Bargaining is accepted and expected in most places with the exception of supermarkets, shopping malls, department stores and exclusive shops whose commodities have price tags on them.

A. 对
B. 错