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【多选题】
关于神经-骨骼肌接头处兴奋传递的描述，正确的是( )A.
为化学性传递
B.
为双向性传递
C.
有1ms左右的时间延搁
D.
某些药物或环境因素影响
E.
骨骼肌细胞参与兴奋传递的结构是终板膜上的N2-Ach受体阳离子通道
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举一反三
【单选题】Henry's ideas are invariably condemned as ______ by his colleagues.
A.
ingenious
B.
theoretical
C.
impractical
D.
imaginative
【简答题】按照信息处理的流程,搜索引擎包含三个模块,分别是()模块,()模块,()模块。
【简答题】A．The school lays emphasis on applied courses. B．The students learn a lot of theoretical knowledge at school. C．The students finance their own education. D．The school also offers courses in self-impro...
【简答题】市场挑战者选择挑战战略应遵循________原则。
【简答题】书本239页完型填空 题
【单选题】TCP/IP参考模型的4个层次从低到高的顺序是(
A.
应用层、传输层、互连层、网络接口层
B.
互连层、网络接口层、传输层、应用层
C.
应用层、网络接口层、传输层、互连层
D.
网络接口层、互连层、传输层、应用层
【单选题】Which of the following statements does the author imply?
A.
Scientists engaged in theoretical research should not be blamed for ignoring the practical side of their discoveries.
B.
Today few people have any notions of the meaning of science.
C.
In science, it is not difficult to distinguish fact from fiction.
D.
Practical-minded people can understand the meaning and objectives of pure science.
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