题目

This cartoon movie is justfor very y children. A 14-year-old boymay think it's boring. 答案：【1】young下列反射活动需要大脑控制的是A．膝跳反射B．抓起烫手物体产生的缩手反射C．婴儿的排尿反射D．行人听到身后汽车声产生的躲避反射