如图为反射弧曲部示意图,刺激C点检测各位点的电位变化,下列分析错误的是( )
A:若检测到b,d点有电位变化,说明兴奋在同一神经元上是双向传导的
B:兴奋由c点传导到e点时,发生电信号→化学信号→电信号的转换
C:a点检测不到电位变化,是由于突触前膜释放的是抑制性递质
D:电表①不偏转,电表②偏转两次
看拼音,写词语。
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(2015.福建莆田)
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“馄饨”是大家普遍的叫法。云贵川一带称之为“抄手”,广东秀港一带称之为“云吞”,江西称之为“清汤”,福建人称之为“扁食燕”。各地对“馄饨”称呼的差异反映了( )