A-A+
The evidence of electrical activity and other
问题详情
The evidence of electrical activity and other changes in brain cells after the outside stimulus has been got by observing______.
A．exposed cat brains
B．the human brains
C．cat brains and the human brains
D．exposed cat brains and the human brains请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：细节题型见第八段：通过直接观察裸露的猫脑和很少的几例人脑，Dr．Grinvald和他的同事们在给与一丝光线或一个肢体活动的刺激时能够观察到脑细胞中电流活动和其他变化的最初迹象；此处所讲的“给予一丝光线或一个肢体活动的刺激”即题中所讲的外部刺激，因此答案为D。
