第5题:[多选题]Which of the following structures are the receptors for equilibrium and acceleration or deceleration of the head? A.macula utriculi (椭圆囊斑) B.macula sacculi (球囊斑) C.macula lutea (黄斑) D.spiral organ (螺旋器) E.crista ampullaris (壶腹嵴) 参考答案:ABE
第6题: [单项选择]少油断路器的缺点有()等。 A. 耗材多 B. 有发生爆炸的危险 C. 价格高 参考答案:B