12个小朋友,每4个人一组,可以分成几组?
12÷4=3
头部位觉感受器位于()。
A.耳蜗
B.椭圆囊斑、球囊斑与壶腹嵴
C.前庭窗
D.螺旋器
E.鼓室
_____ Mr. Brown’s anger, it was his own son who didn’t agree with him.
A.To
B.From
C.With
D.For