单项选择题

机体最主要的调节方式是
A、自身调节
B、神经调节
C、体液调节
D、反馈

你可能感兴趣的试题

单项选择题

快速眼球运动与慢波睡眠时期做梦有关。( ) A. 对 B. 错

多项选择题

The following statements about disconnecting switches are correct ()
A、Isolating switch is a kind of switch without arc extinguishing device
B、In the closed state can reliably through the normal operating current
C、 Can withstand fault short circuit current and the impact of the corresponding electric force in the specified time
D、 Disconnecting switches can normally be switched on or off only if the circuit breaker has already disconnected the circuit