Muscular motion is caused by the stimulate of specific nerve cells in the brain and spinal cord.

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问题 Muscular motion is caused by the stimulate of specific nerve cells in the brain and spinal cord.

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答案stimulate--stimulation/stimulus

解析 译文:肌肉运动是由大脑和脊髓中特定神经细胞的刺激引起的。
分析:考查词性。the…of之间应为名词。此处定冠词the后是动词stimulate,应改为名词stimulation或stimulus。
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