【单选题】【消耗次数:1】
增加细胞外液K+的浓度,静息电位的绝对值将
增大
减小
不变
先增大后减小
先减小后增大
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相关题目
【单选题】 增加细胞外液K<sup>+</sup> 的浓度,静息电位的绝对值将()
①  增大
②  减小
③  不变
④  先增大后减小
⑤  先减小后增大
【单选题】 在静息电位基础上的绝对值增大称:
①  极化
②  超极化
③  反极化
④  去极化
⑤  复极化
【单选题】 细胞膜内电位负值(绝对值)增大,称为:
①  极化
②  去极化
③  反极化
④  复极化
⑤  超极化
【单选题】 细胞膜内电位负值(绝对值)增大,称为()
①  去极化
②  极化
③  复极化
④  反极化
⑤  超极化
【判断题】 太阳能电池的功率随着施加电压的增大,呈现出先增大后减小的规律
①  正确
②  错误
【判断题】 外圆车刀装得低于工件中心时,车刀的工作前角减小,工作后角增大。
①  正确
②  错误
【判断题】 动作电位在神经纤维上传导时,传导距离增大,动作电位幅度减小。
①  正确
②  错误
【判断题】 β称为螺旋生角,它使刀具的工作前角增大,工作后角减小,该说法( )
①  正确
②  错误
【判断题】 随着三相异步电动机负载转矩增大,转差率将减小。
①  正确
②  错误
【判断题】 由Nernst方程式可知,在一定温度下减小电对中还原态物质的浓度,电对的电极电势值增大
①  正确
②  错误
随机题目
【单选题】 What are the characteristics of audio-lingual method?
①  Language is learned by constant repetition and the reinforcement of the teacher
②  Mistakes were immediately corrected, and correct utterances were immediately praised
③  Students should be allowed to create their own sentences based on their understanding of certain rules
④  Both A and B.
【单选题】 What does the structural view of language see language?
①  A system of categories based on the communicative needs of the learner
②  A communicative tool to build up and maintain social relations between people
③  A linguistic system made up of various subsystems
④  A linguistic system and a means for doing things.
【单选题】 What does the functional view of language see language?
①  A system of categories based on the communicative needs of the learner
②  A communicative tool to build up and maintain social relations between people
③  A linguistic system made up of various subsystems
④  A a linguistic system and a means for doing things.
【单选题】 Which of the following teaching method is based on the behaviorist theory?
①  Grammar translation
②  Audio-lingual
③  Task-based teaching and learning
④  Communicative teaching.
【单选题】 What is the basis for syllabus design, teaching methodology, teaching and assessment procedures in the classroom?
①  Teaching attitude
②  Definitions of language
③  Structural view of language
④  Functional view.
【单选题】 Which three groups can summarize all the elements of the qualities of a good teacher?
①  Ethic devotion, professional qualities and personal styles
②  Ethic devotion, professional qualities and individual freedom
③  Individual freedom, professional qualities and personal styles
④  Ethic devotion, personal styles and individual freedom.
【单选题】 What are the purposeful preparation that a language teacher normally receives before he starts the practice of teaching?
①  Learning from other’s experiences
②  Learning the received knowledge
③  Learning from one’s own experiences as a teacher
④  All of the above.
【单选题】 Much of human behavior is influenced by their_____ .
①  experiences
②  wisdom
③  knowledge
④  parents
【单选题】 衡量一个教师是否成熟的标志之一是其能否自觉( )。
①  关注生存
②  关注情境
③  关注学生
④  关注自我
【单选题】 从本质上讲,教师的威信是具有积极肯定意义的( )的反映。
①  教学水平
②  科研成果
③  人际关系
④  学历和才能