【单选题】分析有关神经系统中信息传递与调节的资料,回答问题。
在某溶液中维持正常活性的离体神经纤维某部位受到适当刺激时,受刺激部位细胞膜两侧会出现暂时性的电位变化,产生神经冲动。图1显示受刺激部位的膜内钠离子含量变化趋势。 神经冲动在神经元之间传导时,若突触小泡释放的某种递质与突触后膜结合,可导致突触后膜神经元产生抑制。能正确表示突触小泡释放该种递质及突触后膜接受递质后的膜电位状况的是图2中的()。
【简答题】根据短文内容及首字母提示填空。 Jerry and Carla were asked to choose a person for class president. As they looked t __ 1 __ the list of kids in the room, they stopped at Tina's name. Tina had lots of ideas, and she n...
【简答题】运动神经末梢与肌细胞接触的部位叫做______,运动神经末梢释放的神经递质是______,与终板膜的______受体结合,在终板膜上产生______电位。
【简答题】运动神经末梢与肌细胞接触的部位叫做——,运动神经末梢释放的神经递质是——,与终板膜的受体结合。
【简答题】阅读短文,判断句子正(T)误(F)。 Mom: Oh, my goodness! Dear Jerry, my boy, hurry up! Jerry: What time is it, Mummy? Mom: It's eight o'clock. You will be late for school today! And today will have math, English, P. ...
【简答题】听短文,把句子补充完整。 1. Jerry's home is _______ _______ from his school. 2. He usually goes to school at _______. 3. Jerry's home is _______ kilometres away from the school. 4. He usually goes to school _____...
【多选题】以下属于POP广告的优点的有()
A.
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C.
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