单项选择题

生理性传导障碍是指（）

A.窦房传导阻滞
B.房内传导阻滞
C.房室传导阻滞
D.干扰性房室分离
E.窦性停搏

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多项选择题

深泽直人的无意识设计的代表作品有： A. 带托盘的灯 B. 带凹槽的伞 C. CD播放器 D. iPhone4S

多项选择题

(multiple choices)Which of the following statements about our nervous system are correct?

A．Our nervous system includes the central nervous system and the peripheral nervous system.
B．The central nervous system only contains our brain.
C．The somatic nervous system is part of the peripheral system.
D．The autonomic nervous system can be divided into the sympathetic and the parasympathetic system.