硫酸镁的中毒现象有哪些?
参考答案：
膝反射消失、肌张力减退及呼吸抑制、心跳可突然停止。
—What do you think of talk shows?
—______. They're too boring. [ ]
A. I love them
B. Pretty good
C. I don't mind them
D. I can't stand them
毒物、药物、激素等进行生物转化的主要器官在( )
A．肝脏B．肾脏C．胃肠道D．脾脏E．胆
