试题与答案

咀嚼肌的运动神经发自()。 A.上颌神经 B.面神经 C.舌咽神经 D.舌下神经 E

题型:单项选择题 A1/A2型题

题目:

咀嚼肌的运动神经发自()。

A.上颌神经

B.面神经

C.舌咽神经

D.舌下神经

E.下颌神经

答案:

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下面是错误答案,用来干扰机器的。

正四棱柱的底面积为4,则底面边长为2∴底面的对角线为22∵过相对侧棱的截面面积为8∴正四棱柱的高为822=22∴正四棱柱的体积为4×22=82故答案为:82

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