西南大学网络教育0874动物生理学期末考试复习题及参考答案

西南大学网络教育0874动物生理学期末考试复习题及参考答案

0874动物生理学

01.试述动作电位及产生机制

答:动作电位是膜受到刺激后在原有静息电位基础上发生的一次膜两侧电位的快速而可逆的倒转和复原。由锋电位和后电位两部分构成。锋电位包括上升支(去极相)和下降支(复极相)两部分。由于后电位在说明细胞兴奋的产生和传播上的意义不大,因此常以锋电位来代表动作电位。动作电位的去极相:阈刺激或阈上刺激使膜去极化达阈电位,膜上Na+通道大量开放,Na+迅速内流,使膜发生去极化和倒极化。动作电位的复极相:Na+通道迅速关闭,Na+内流停止,K+通道开放,K+外流增大,使膜内电位由正值向负值转变,直到恢复到静息电位水平。

02.高原动物的红细胞数量有何变化?为什么?

答:因为红细胞担负着输送氧气的作用,海拔升高,氧含量下降,为了满足人体对氧气的需求,红细胞数量会增加,但过一段时间后由于对环境的适应数量会保持稳定.

03.氧离曲线为什么是特有的“S”形?在呼吸生理中有何重要意义?

合量或Hb氧饱和度关系的曲线。该曲线既表示不同PO2时,O2与Hb 的结合情况。上面已经提

各段的特点及其功能意义。

特点及其功能意义

1.氧离曲线的上段相当于PO27.98-13.3kPa(60-100mmHg),即PO2较高的水平,可以认为是Hb与O2结合的部分。这段曲线较平坦,表明PO2的变化对Hb氧饱和度影响不大。例如PO2为13.3kPa(100mmHg)时(相当于动脉血PO2),Hb氧饱和度为97.4%,血O2含量约为19.4ml%;如将吸入气PO2提高到19.95kPa(150mmHg),Hb氧饱和度为100%,

2020年9月远程网络教育大学英语B统考题库真题3

一、交际英语 1.- Mike, I am going to skate in the mountains tomorrow. - Oh, really? _________ A.I am sorry. B.Thank you. C.Have a good time. D.Congratulations! 答案:C 2.- Congratulations! You won the first prize in today's speech contest. - ________ A.Yes, I beat the others. B.No, no, I didn't do it well. C.Thank you. D.It's a pleasure. 答案:C 3.- Could you help me with my physics, please? - ________ A.No, no way. B.No, I couldn't. C.No, I can't. D.Sorry I can't. I have to go to a meeting right now. 答案:D 4.- Do you mind my smoking here? - _______ A.No, thanks. B.Yes, I do. C.Yes. I'd rather not. D.Good idea. 答案:B 5.- Please help yourself to the seafood. - ________ A.No, I can't. B.Sorry, I can't help. C.Well, seafood don't suit. D.Well, I'm afraid I don't like seafood. 答案:D

西南大学网络与继续教育学院2018年春季大作业答案

《马克思主义基本原理》 88、马克思主义中国化的理论成果是什么? 马克思主义思想与中国革命和建设实践相结合,产生了毛泽东思想、邓小平理论、三个代表重要思想、科学发展观等一系列的发展成果,使马克思主义成为了当代中国发展的核心指导思想。 89、什么是资本积累?资本积累的历史趋势是什么? 资本主义生产的根本目的是追逐剩余价值,资本家不是把所得剩余价值全部用于个人消费或者贮存起来,而是将部分剩余价值转化为资本,不断扩大生产规模,即扩大再生产。这种把剩余价值转化为资本,或者剩余价值的资本化,就是资本积累。资本积累导致资本家不断追逐剩余价值,致资本有机构成不断提高,从而引起资本排斥劳动力的现象,资本主义生产所需要的劳动力就会相对减少,必然导致大量劳动力失业,形成相对过剩人口。 90、如何理论联系实际,在社会生活中坚持马克思主义?运用马克思主义?发展马克思主义? 反对教条主义的照本宣科、反对形式主义的表面文章、反对实用主义的断章取义。确立社会主义的坚定信念,培养正确科学的思维方式,增强服务社会的综合素质。 91、在人类社会的发展历程中,无产阶级政党在建设社会主义的实践中有哪些基本经验和主要教训? 社会主义建设的根本经验:始终坚持走社会主义道路不动摇;始终坚持马克思主义政党的领导不动摇;始终坚持以改革推进社会主义制度的完善不动摇。主要教训是:第一,新生事物的成长规律决定了社会主义的发展道路是长期、艰巨的过程。切忌犯盲目冒进的“左”倾错误。第二,社会发展的基本矛盾决定了对社会规律的认识有一个不断发展和深化的过程。切忌简单、机械地看待社会主义的发展,不要犯形而上学的错误。第三,社会主义的发展过程不的单一的纯粹的过程,它会受到国际关系格局和经济全球化的双重影响。因此,我国的社会主义建设必须对外开放,充分融入到经济全球化的过程中去,自我封闭与保守地搞社会主义不是真正的社会主义。

西南大学网络与继续教育学院《网络文化与伦理》作业及答案

西南大学网络与继续教育学院《网络文化与伦理》作业及答案 西南大学 网络与继续教育学院 课程代码: 0948 学年学季:20181 单项选择题 1、以下不属于网络情感异化行为的是( )。 1. 数字化虚拟性爱 2. 通过 QQ 、微信等即时工具与朋友沟通 3. 多角网恋 4. 婚外网恋 2、网络互动已成为人们获取信息的一种重要渠道,网络互动带来了诸多便利,但作为一种全新的信息传播模式,也暴露出不少问题,以下不属于网络互动 影响的是( )。 1. 病毒肆意传播、黑客侵扰和网络犯罪 2. 侵犯个人隐私、知识产权等

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4. 对“人肉搜索”给予一定限制但忽视其造成的后果 5、关于网络问政,以下说法正确的是()。 1. 网络问政为公民提供了直接行使国家权力的通道 2. 网络问政是征集民意的最佳方式 3. 网络问政使政府决策更加困难 4. 网络问政是公民参与国家政治生活的新渠道 6、互联网为我们提供的海量信息中不乏不利于身心健康的虚假、污秽信息,因此我们应该()。 ①自觉抵制网上不良信息 ②避免沉溺于网络游戏 ③相信网络上的信息皆是正确的 ④善于利用网络进行学习 1. "①③"

北邮网络教育-大学英语3-阶段作业2

北邮网络教育-大学英语3-阶段作业2

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2017年6月西南大网络与继续教育学院[0139]《法理学》大作业答案

西南大学网络与继续教育学院课程考试试题卷类别:网教专业:法学 2017年6月 课程名称【编号】:《法理学》【0139】 A卷 大作业满分:100分 答案必须做在答题卷上,做在试题卷上不予记分。 一.判断分析题(先判断是否正确,然后进行分析阐述,共4题,20分/题,任选2题作答) 1.法是意志和规律的结合,主观与客观的统一。(20分) 2. 法理学是一个封闭的理论体系。(20分) 3. 弗兰克强调法律的确定性。(20分) 4. 法治必须与民主和人权相联系。(20分) 二、问答题(共4题,30分/题,任选2题作答) 1. 法律原则和法律规则的区别?(30分) 2. 我国借鉴西方法律经济学的必要性。(30分) 3. 法律体系与法学体系的区别和联系?(30分) 4. 大陆法系与英美法系的比较?(30分)一、答: 2、正确。 之所以说封闭,是因为它建立在完全理论上来说的。 法理学(Jurisprudence)是以整个法律现象的共同发展规律和共同性问题为研究对象的学科。它的研究范围十分广泛,主要包括法律的起源、发展和消亡、法律的本质和作用、法律和其他社会现象的关系、法律的创制和实现、法律的价值等。 3、错误。 美国学者弗兰克指出,“在很大程度上,法律过去是、现在是、将来永远是模糊的和多样性的”,那种认为司法具有确定性的看法是一种幻觉或神话,一个“基本的法律神话”,这一神话的公式是:规则(R)×事实(F)=判决(D);而现实中司法的公式是:围绕案件的刺激(P)×法官个性(P)=判决(D);规则(R)×主观事实(SF)=判决(D)。据此,凡是企图依据法律规则与客观事实,寻找裁判中“唯一正确的答案”,都是不可能的神话。 尽管弗兰克过于强调司法的不确定性,陷入了法律虚无主义,过于强调法官的个性因素,忽视程序的内在约束,陷入了“人治”泥淖,但这种“片面的深刻”,却动摇了人们对“司法具有确定性”这一假象的深信不疑,宣告了“唯一正确的答案”这一“基本法律神话”的破产。人们开始关注“行动中的法律”,研究真实世界中的司法为何充满了不确定性: 一因法律的滞后性。法律永远只能以相对固定的规则来应对如万花筒般的现实世界,这正是规则与事实之间的永恒紧张。因此,萨维尼指出,法律自制定颁布之日起,就注定落后于社会生活。面对成文法典中随处可见的法律空白与漏洞,司法活动在处理新型案件时必然是“点滴积累”的和“试错性”的,在这一过程的伊始,司法的确定性就必然有所弱化。 二因法律语言的模糊性。海德格尔指出,语言乃存在之屋,然而,语言永远也不能表达世界的本来面目。法律规则是由语言构成,而法律语言则存在“意思中心”与“开放结构”(哈特语),在“意思中心”区域,法律语言一般不存在歧义,但在“开放结构”领域,法律语言则常含有多种解释的可能性。这就需要法官根据具体情况,在个案中进行利益权衡,以个别化地实现个案正义,司法的确定性与普遍性因此受到限缩。 三因客观事实的不可再现性。探求案件的客观真实,是一个对历史性事实作回溯证明的过程,时间的不可逆性决定了任何事实都难以完全恢复其原始面目。裁判案件的法官实际上永远无法亲历案发过程,而只能依据证据链条并结合辩论的全部趣旨,获得案件的法律真实。正是由于个案中事实认定的不确定性,导致不同法官在审理同类案件时存在巨大差异,这也加深了司法的不确定性。 四因非法律因素的不确定性。法律的生命不在于逻辑,而在于经验,法律适用的过程不仅会受到诸如政策、习惯、民意、意识形态、社会地位、权力结构等社会因素的影响,也会受到法官个人主观因素的影响,这些非法律因素的不确定性,使得同案不同判的现象屡见不鲜。 二、答: 3、 (1)法学体系与法律体系的联系主要在于:任何国家的法学总是要研究本国现行法即该国的法律体系。 (2)两者的区别主要在于:一国的法学不仅要研究本国现行的各部门法也要研究法学理论、法制史、外国法、比较法和国际法等。 - 1 -

西南大学博士研究生培养方案.doc

工程质量安全手册 (试行) 住房城乡建设部 2018年9月

目录 1 总则 1 1.1 目的 1 1.2 编制依据 1 1.3 适用范围 2 2 行为准则 2 2.1 基本要求 2 2.2 质量行为要求 4 2.3 安全行为要求7 3 工程实体质量控制9 3.1 地基基础工程9 3.2 钢筋工程10 3.3 混凝土工程 10 3.4 钢结构工程 11 3.5 装配式混凝土工程 12 3.6 砌体工程13 3.7 防水工程13 3.8 装饰装修工程14 3.9 给排水及采暖工程 14 3.10 通风与空调工程15

3.11 建筑电气工程 15 3.12 智能建筑工程 16 3.13 市政工程16 4 安全生产现场控制17 4.1 基坑工程17 4.2 脚手架工程 17 4.3 起重机械19 4.4 模板支撑体系21 4.5 临时用电21 4.6 安全防护21 4.7 其他 21 5 质量管理资料 22 5.1 建筑材料进场检验资料22 5.2 施工试验检测资料 23 5.3 施工记录24 5.4 质量验收记录25 6 安全管理资料 25 6.1 危险性较大的分部分项工程资料 25 6.2 基坑工程资料25 6.3 脚手架工程资料26 6.4 起重机械资料26 6.5 模板支撑体系资料 26

6.6 临时用电资料26 6.7 安全防护资料27 7 附则27

1 总则 1.1 目的 完善企业质量安全管理体系,规范企业质量安全行为,落实企业主体责任,提高质量安全管理水平,保证工程质量安全,提高人民群众满意度,推动建筑业高质量发展。 1.2 编制依据 1.2.1 法律法规。 (1)《中华人民共和国建筑法》; (2)《中华人民共和国安全生产法》; (3)《中华人民共和国特种设备安全法》; (4)《建设工程质量管理条例》; (5)《建设工程勘察设计管理条例》; (6)《建设工程安全生产管理条例》; (7)《特种设备安全监察条例》; (8)《安全生产许可证条例》; (9)《生产安全事故报告和调查处理条例》等。 1.2.2 部门规章。 (1)《房屋建筑和市政基础设施工程施工图设计文件审查管理办法》(住房城乡建设部令第13号); (2)《建筑工程施工许可管理办法》(住房城乡建设部令第18号); (3)《建设工程质量检测管理办法》(建设部令第141号);

最新北京师范大学网络教育--大学英语三作业一标准答案(.6)

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