Lying under the skull, the human brain contains an average of the ten billion nerve cells called（）.A、neuronsB、nerve systemC、nervesD、cerebral cortex
题目
Lying under the skull, the human brain contains an average of the ten billion nerve cells called（）.
- A、neurons
- B、nerve system
- C、nerves
- D、cerebral cortex
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参考答案和解析
正确答案:A