练习题及答案

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《小学生老舍读本》习题及答案

《小学生老舍读本》习题及答案

《小学生老舍读本》练习题一、选择题1.这书中的人名是?()A老舍 B鲁迅 C冰心 D巴金2.老舍原名()A谢婉莹 B叶圣陶 C李婉青D舒庆春3.老舍字()A孟子 B翼德 C卧龙 D舍予4.老舍的著作有( )A斑羚飞渡 B灰椋鸟 C骆驼祥子5.这本书中有一个小男孩,名字是?()A小坡B小明C小方6.小坡是个()的男孩A平静 B爱说话 C调皮 D懂事7.小坡的妹妹是()A大坡 B仙坡 C芳坡 D牛坡8.在福海当巡警时,是()惹下了祸?A眉毛 B眼睛 C胡子 D耳朵9.老舍喜欢()A小狗 B小猫 C小麻雀 D小白鼠10.院子里,老舍与()相遇了A小麻雀 B小鸟 C小鸡 D小孩二、填空题1.老舍被称为()。

2.老舍的第一部作品是()。

3.老舍喜欢带()字儿的,小花小草……全喜欢。

4.老舍当过()。

如果他是你的(),你一定喜欢他。

5.老舍是一个地道的()。

6.《在烈日和暴雨下拉车》一文中提到的车夫叫()。

7.小坡过生日时,爸爸带他和妹妹去了()。

8.(王三胜)在土地庙拉开了场子,准备找人比武。

9.幽默不是()。

10.《“住”的梦》中,春天老舍要住在()。

11.那两个黑眼珠!非常的(),非常的(),不看什么,就那么顶黑顶大的愣着。

12. 它要是高兴,能比谁都():用身子蹭你的腿,把脖儿伸出来要求给抓痒,或是在你写稿子的时候,跳上桌来,在纸上踩印几朵(小梅花)。

(《猫》)13. 猫在动物里算是最富()的了,它高兴呢就来趴在你怀中,啰哩啰嗦的不知道念着什么。

14. 狗呢,就更不用说,天生来的会(),作走狗,自然会吃好的喝好的。

15.小哈巴狗们,在冬天,得();出门时,得();临睡的时候,还得()。

16. 花虽多,但无()。

珍贵的花草不易养活,看着一棵好花生病欲死是件难过的事。

17. (千佛山)、(大明湖)和(趵突泉),是济南的三大名胜。

老舍都去看过。

18. 泉太好了。

泉池是差不多见方的,三个泉口偏西,北边便是条小溪,流向西门去。

统计学 第三章练习题答案及解析

统计学 第三章练习题答案及解析

3%1%2%5.1++453025453025++++统计学第三章出题优课后习题答案原多项选择第三题D 选项解释有误,现在已经重新更改。

一、单项选择题1. 某商场某月商品销售额为1200万元,月末商品库存额为400万元,这两个总量指标( )。

A. 是时期指标B. 前者是时期指标,后者是时点指标C. 是时点指标2. 国民总收入与国内生产总值之间相差一个( )。

A. 出口与进口的差额B. 固定资产折旧C. 来自国外的要素收入净额3. 有三批产品,废品率分别为1.5%、2%、1%,相应的废品数量为25件、30件、45件,则这三批产品平均废品率的计算式应为( )。

A. B.C. D.4. 下列各项中,超额完成计划的有( )。

A. 利润计划完成百分数103.5%B. 单位成本计划完成百分数103.5%C. 建筑预算成本计划完成百分数103.5%5. 某厂某种产品生产量1月刚好完成计划,2月超额完成2%,3月超额完成4%,则该厂该年一季度各月平均超额完成计划的计算方法是( )。

A. 2%+4%=6%B. (2%+4%)÷2=3%C. (2%+4%)÷3=2%453025%1%2%5.1++++3%1%2%5.1⨯⨯6. 甲、乙两组工人的平均日产量分别为18件和15件。

若甲乙两组工人的平均日产量不变,但是甲组工人数占两组工人总数的比重下降,则两组工人总平均日产量( )。

A. 上升B. 下降C. 不变D.可能上升,也可能下降7. 当各个变量值的频数相等时,该变量的()。

A. 众数不存在B. 众数等于均值C. 众数等于中位数8. 如果你的业务是提供足球运动鞋的号码,那么哪一种平均指标对你更有用?( )A. 算术平均数B. 几何平均数9. 某年年末某地区城市和乡村平均每人居住面积分别为30.3和33.5平方米,标准差分别12.8和13.1平方米,则居住面积的差异程度( )。

A. 城市大B. 乡村大10. 下列数列的平均数都是50,在平均数附近散布程度最小的数列是( )。

《思想政治教育学原理》练习题和参考答案

《思想政治教育学原理》练习题和参考答案

第一部分单项选择题1、与一般的社会科学相比,思想政治教育学具有鲜明的无产阶级(A )A、党性B、实践性C、综合性D、普遍性2、思想政治教育学的理论基础是(A )A、马克思主义的基本理论B、教育学基本理论C、伦理学基本理论D、政治学基本理论3、确定教育方针、教育目的和思想政治教育任务、目标的重要理论依据是马克思主义关于(C )A、人的本质的学说B、正确处理人民内部矛盾的学说C、个人全面发展的学说D、灌输社会主义意识的理论4、中国古代思想道德教育在道德教育原则上强调以育人为中心,A()A、德育至上B、以修身为本C、“正人必先正己”D、“学在官府”5、资本主义国家在思想道德教育目的上,强调个性发展与(A)A、人道主义B、人的全面发展C、集体意识教育D、年龄特征6、提出“儿童道德认知发展阶段论”的现代美国著名道德教育家是(D )A、夸美纽斯B、卢梭C、裴斯塔洛齐D、柯尔伯格7、无产阶级思想政治教育的开创者是(A )A、马克思恩格斯B、列宁C、斯大林D、毛泽东8、苏联把思想政治教育统称为(D)A、人生观教育B、价值观教育C、社会主义教育D、共产主义教育9、中国共产党思想政治教育成熟的标志是(A )A、《古田会议决议》B、《论持久战》C、《关于军队政治工作问题》D、党的“七大”10、社会主义建设时期思想政治工作的伟大纲领性文件是毛泽东于1957年2月发表的(D )重要讲话A、《改造我们的学习》B、《反对党八股》C、《论十大关系》D、《关于正确处理人民内部矛盾的问题》11、社会主义精神文明的核心内容是(A )A、思想道德建设B、民主政治C、依法治国D、科学文化建设12、思想品德的核心要素是(C)A、情感B、意志C、思想D、行为13、处于思想品德结构最高层次的是(D )A、人生观B、道德观C、政治观D、世界观14、在思想政治教育中,教育方法属于(C )A、教育主体B、教育客体C、教育介体D、教育环体15、思想政治教育过程的中心环节是(B )A、确定目标,制定计划B、实施影响,促成转化C、信息反馈D、评估控制16、思想政治教育的主要对象是(C )A、儿童B、少年C、青年D、领导干部17、思想政治教育的重点对象是(D)A、儿童B、少年C、青年D、领导干部18、思想政治教育的根本任务是(A )A、培育“四有”新人B、维护中国共产党的领导地位C、维护社会秩序D、发展社会主义民主19、思想政治教育的核心内容是马克思主义(B )A、人生观B、世界观C、政治观D、法制观20、共产主义人生观以实现(D)为最高理想A、人的全面发展B、无产阶级专政C、人类解放D、共产主义21、共产主义人生观与剥削阶级人生观的根本区别在于(A )A、人生目的B、人生态度C、人生结局D、人生意义22、人生观的核心问题是是人生(B)问题A、理想B、目的C、价值D、态度23、政治观教育的核心内容是(B)A、基本国情教育B、党的基本路线教育C、形势政策教育D、爱国主义教育24、社会主义和共产主义道德的基本原则是(C )A、个人主义B、利己主义C、集体主义D、泛爱主义25、反映思想政治教育本质的根本原则是(A )A、方向原则B、求实原则C、民主原则D、渗透原则26、思想政治教育方法系统性的一个表现是(D )A、科学性B、应用性C、针对性D、层次性27、思想政治教育最主要、最基本的方法是(A)A、理论教育法B、实践锻炼法C、榜样教育法D、自我教育法28、集体讨论在思想政治教育方法中属于(D )A、理论教育法B、实践锻炼法C、榜样教育法D、自我教育法29、社会考察在思想政治教育方法中属于(B )A、理论教育法B、实践锻炼法C、榜样教育法D、自我教育法30、利用大众传媒进行思想政治教育的优点一是能最大限度地扩大思想政治教育的覆盖面,二是能提高思想政治教育的(B )A、实效B、时效C、透明度D、民主作风31、在思想政治教育诸载体中,有利于更好地把思想政治教育与经济工作、业务工作结合起来的是(B)A、文化载体B、管理载体C、活动载体D、大众传媒载体32、在下列思想政治教育社会环境中,属于微观环境的是(D )A、经济制度B、政治制度C、社会文化D、学校环境33、同辈群体对思想政治教育和人的思想品德的形成和发展的影响具有(D )特点A、权威性B、计划性C、全面性D、自由性A、党性原则B、客观原则C、全面性原则D、历史性原则35、改进和加强思想政治教育,关键在于(D )A、提高课堂教学质量B、加强学校对学生工作的管理C、提高学生自主学习的能力D、加强党对思想政治教育工作的正确领导第二部分多项选择题1、思想政治教育学的学科特点是(ABC)A、阶级性B、实践性C、综合性D、广泛性E、历史性2、思想政治教育学的研究方法包括(ABCDE )A、文献法B、观察法C、实验法D、社会调查法E、总结经验法3、思想政治教育的社会功能的特点是(ABCD )A、多方面性B、多层次性C、长期性D、发展性E、模糊性4、发挥思想政治教育的导向功能,可以从(ABCD )等方面进行A、目标导向B、政策导向C、舆论导向D、自主导向E、自由导向5、思想政治教育的激励方法主要有(ABCD )A、民主激励B、榜样激励C、情感激励D、奖惩激励E、理想激励6、思想政治教育过程的显著特点是(ABCDE)A、社会性B、实践性C、同时性D、长期性E、反复性7、思想政治教育过程的具体规律有(ABCDE )A、双向互动规律B、内化外化规律C、协调控制规律D、自我教育规律E、反复递进规律8、青年个性发展特征是(ABC )A、自尊心强B、好胜心强C、上进心强D、富于幻想E、思维的批判性9、马克思主义世界观教育主要包括(ABC )A、辩证唯物主义教育B、马克思主义认识论教育C、历史唯物主义教育D、共产主义理想教育E、10、进行党的基本路线教育,就是要进行(ABD )A、以经济建设为中心的教育B、坚持四项基本原则的教育C、爱国主义教育D、坚持改革开放教育E、形势政策教育11、思想政治教育的主要原则有(ABCDE )A、方向原则B、求实原则C、民主原则D、渗透原则E、层次原则12、思想政治教育方法的主要特点是(ABCD )A、科学性B、应用性C、针对性D、系统性E、模糊性13、思想政治教育方法的系统性主要表现在(ABCDE )A、整体性B、有序性C、层次性D、动态性E、相关性14、思想政治教育理论教育法的主要方式有(ABCD )A、理论讲授法B、理论学习法C、理论宣传法D、演讲报告法E、示范教育法15、思想政治教育实践锻炼法的主要方式有(ABCDE)A、社会调查B、参观访问C、社会考察D、社会服务E、勤工俭学16、思想政治教育群体自我教育方法的主要方式有(ABCD )A、集体讨论B、辩论会C、座谈会D、民主生活会E、自我批评17、思想政治教育艺术的特点是(ABCD )A、实践性B、科学性C、创造性D、灵活性E、情感性18、思想政治教育的基本载体是(ABCDE )A、开会B、党团活动C、管理D、文化E、大众传媒19、文化环境对人的思想品德的形成和发展的影响的特点是(ABC )A、社会性B、时代性C、区域性D、权威性E、基础性20、思想政治教育评估的原则是(ABCDE )A、党性原则B、客观原则C、全面性原则D、历史性原则E、相对性原则21、思想政治教育评估实地调查评估法的具体形式是(ABCD )A、实地考查B、抽样调查C、追踪调查D、横向对比E、模拟情景22、思想政治教育者道德素质的主要要求是(ABCDE )A、大公无私B、忠于职守C、为人师表D、平等待人E、艰苦奋斗23、思想政治教育科学管理主要包括(ABCD)A、目标管理B、计划管理C、规范管理D、队伍管理E、过程管理第三部分简答题1、什么是思想政治教育及思想政治教育学?2、思想政治教育学有哪些主要特点?3、思想政治教育学的基本范畴有哪些?4、思想政治教育学的理论体系包括哪些内容?5、思想政治教育学的直接理论依据主要有哪些?6、简述社会存在与社会意识辨证关系原理对思想政治教育的指导意义。

《语言学概论》练习测试题库及参考答案

《语言学概论》练习测试题库及参考答案

《英语语言学》练习测试题及参考答案本科I. Tick off the correct or the best possible answers:1.One of the properties of language is that a language user can understand and producesentences he/she has never heard before. This property of language is called ________.A. dualityB. productivityC. displacementD. arbitrarinessKey: B2.The ______ function refers to the fact that language can be used for establishing afavorable atmosphere or maintaining social contact rather than for exchanging information or ideas.A. phaticB. directiveC. evocativeD. performativeKey: A3.From a functional approach, the _______ meaning of a language use consists of what iscommunicated of the feelings and attitudes of the speaker/writer.A. affectiveB. associativeC. stylisticD. collocativeKey: A4.When –ing in ‘gangling’ is removed to get a verb ‘gangle’, we call this way ofcreating words ________.A. suffixationB. back-formationC. blendingD. acronymyKey: B5.______ refers to the process by which words rise from humble beginnings to positionsof importance.A. DegradationB. SpecializationC. ElevationD. ExtensionKey: C6.As we know, every speaker has his own pet words and expressions and special way ofexpressing his ideas in language. This language variety of individual users is called ______.A. idiolectB. regional dialectC. temporal dialectD. social dialectKey: A7.When pitch, stress and length variations are tied to the sentence rather than to theword, they are collectively known as ________.A. intonationB. toneC. phonemeD. sentence stressKey: A8._______ refers to the change of a sound as a result of the influence of an adjacent sound.A. Addition of soundB. Loss of soundC. MetathesisD. Assimilation Key: D9.Basically, all the languages in the world can be classified in terms of language family.Vietnamese and Korean are two languages in the ______ family.A. Indo-EuropeanB. Sino-TibetanC. Hamito-SemiticD.Malayo-PolynesianKey: B10. A _______ is the minimal contrastive unit in the writing system of a language.A. morphemeB. phonemeC. graphemeD. letterKey: C11.All mono-morphemic words are constituted by free morphemes, and those poly-morphemicwords which consist wholly of free morphemes are called_________.A. hyponymsB. compoundsC. blendsD. allomorphsKey: B12.The requirement that the forms of two or more words of specific word classes which standin specific syntactic relationship with one another shall also be characterized by the same paradigmatically marked category or categories is called _______.A. concordB. governmentC. recursivenessD. cohesionKey: A13. The formation of new words by combining parts of two words or a word plus a part of anotheris called _____.A. blendingB. clippingC. acronymyD. compoundingKey: A14. The distinction of ‘linguistic potential’ and ‘actual linguistic behavior’ isproposed by _______.A. N. ChomskyB. F. de SaussureC. M. A. HallidayD. J. Austin Key: C15. The word meaning given in the dictionary is called _____ meaning.A. denotativeB. connotativeC. collectiveD. stylisticKey: A16. When we consider the variation relating to what a user is trying to do with language,we are dealing with addressee relationship—continually categori zed as “______”.A. tenor of discourseB. mode of discourseC. field of discourseD. idiolectKey: A17. According to words’ structures, Turkish is a typical ______ language.A. isolatingB. fusionalC. analyticD. agglutinativeKey: D18. ______ refer to the fact that one type of utterance is typically followed by a specialtype of utterance.A. Minimal pairsB. Illocutionary actsC. Social dialectsD. Adjacency pairsKey: D19. The relation between “dead” and “alive” is labele d as ________.A. gradabilityB. complementarityC. hyponymyD. homonymyKey: B20. The words “encore” and “au pair” are loanwords from _______.A. FrenchB. GermanC. ItalianD. SpanishKey: A21. The distinction of langue and parole is proposed by______.a. N. Chomskyb. F. de Saussurec. M. A. Hallidayd. J. AustinKey: b22.Which of the following is the exception to the feature of arbitrariness of language?a. native English wordsb. borrowed wordsc. echoic wordsd. one-syllable wordsKey: c23.Which of the following feature cannot be used to describe the phone [s]?a. voicelessb. oralc. alveolard. lateralKey: d24.In terms of place of articulation, the two consonants [f], [v] are ________.a. dentalb. alveolarc. palatald. labiodentalKey: d25.In terms of manner of articulation, the sounds [p], [b], [t], [d], [k], [g] are ________.a. affricatesb. fricativesc. bilabiald. oral stopsKey: d26.Which of the following statements about allophone is NOT correct?a. Allophones are different forms of the same phonemeb. Allophones of the same phoneme are in complementary distribution.c. Allophones distinguish meaning.d. Allophones are language specific.Key: c27.Which of the following words is not a free morpheme?a. ableb. petc. changed. dustyKey: d28.How many morphemes are there in the word discharged?a. 2b. 3c. 4d. 5Key: b29.Which of the following words is made up of bound morphemes only?a. happinessb. televisionc. ecologyd. teacherKey: c30. Language is passed on from one generation to the next by teaching and learning ratherthan by instinct. This property of language is called_____.a. interchangeabilityb. productivityc. cultural transmissiond. arbitrarinessKey: c31.The famous quotation from Shakespeare’s play Romeo and Juliet‘A rose by any other namewould smell as sweet’ well illustrates _______.A. the conventional nature of languageB. the creative nature of languageC. the universality of languageD. the big difference between human language and animal communicationKey: A32.Of the following sound combinations, only _______ is permissible according to thesequential rules in English.A. kiblB. bkilC. ilkbD. ilbkKey: A33.The sentence that has a NP and a VP can be shown in a _______ formula “S→NP VP”.A. hierarchicalB. linearC. tree diagramD. verticalKey: B34.It is the _______ on Case assignment that states that a Case assignor and a Case recipientshould stay adjacent to each other.A. Case ConditionB. Case ParameterC. Adjacent ConditionD. Adjacent ParameterKey: C35. Predication analysis is a way to analyze _______ meaning.A. phonemeB. wordC. phraseD. sentenceKey: D36. According to Searle, those illocutionary acts whose point is to commit the speaker tosome future course of action are called _______.A. commisivesB. directivesC. expressivesD. declarativesKey: A37. The term _______ linguistics may be defined as a way of referring to the approach whichstudies language change over various periods of time and at various historical stages.A. synchronicB. diachronicC. comparativeD. historical comparativeKey: B38. The way in which people address each other depends on their age, sex, social group, andpersonal relationship. The English system of address forms frequently used includes first name, last name, title+last name, _______, and kin term.A. title+first nameB. title+titleC. title aloneD. first name+last name+titleKey: C39. Language and thought may be viewed as two independent circles overlapping in some parts.When language and thought are identical or closely parallel to each other, we may regard thought as “subvocal speech,” and speech as “_______”.A. vocal thoughtB. subvocal thoughtC. covert thoughtD. overt thoughtKey: D40.Whcih of the following best states the behaviorist view of child language acquisition?A. Language acquisition is a process of habit formation.B. Language acquisition is the species-specific property of human beings.C. Children are born with an innate ability to acquire language.D. Humans are equipped with the neural prerequisites for language and language use.Key: A41. The words “kowtow” and “tea ” are loanwords from _______.A. ChineseB. GermanC. ItalianD. SpanishKey: A42. The term _______ linguistics may be defined as a way of referring to the approach whichstudies language change over various periods of time and at various historical stages.A. synchronicB. diachronicC. comparativeD. historical comparativeKey: B43. The formation of new words by combining parts of two words or a word plus a part of anotheris called _____.A. blendingB. clippingC. acronymyD. compoundingKey: A44. According to words’ structures, Latin is a typical ______ language.A. isolatingB. fusionalC. analyticD. agglutinativeKey: B45. The relation between “animal” and “lamb” is labeled as ________.A. gradabilityB. complementarityC. hyponymyD. homonymyKey: C46. One of the property of language is that there is no logical connection between meaningand sounds. This property of language is called________.A. dualityB. productivityC. displacementD. arbitrarinessKey: D47. The________ function refers to the use of language to create certain feelings in thehearer.A. phaticB. directiveC. evocativeD. performativeKey: A48. The _______ meaning of a word consists of the associations it acquires on account ofthe meanings of words which tend to occur in its environment.A. associativeB. affectiveC. stylisticD. collocativeKey: D49. When –or in editor is removed to get a verb edit, we call this way of creating words________.A. suffixationB. back-formationC. blendingD. acronymyKey:50. The relation between “rose” and “flower” is labeled as ________.A. gradabilityB. complementarityC. hyponymyD. homonymyKey: C51. Language can be used to refer to contexts removed from the immediate situations of thespeaker. This is what we mean by __________.A. dualityB. productivityC. displacementD. arbitrarinessKey: C52. When language is used to get the hearer to do something, then it serves a _______ function.A. directiveB. informativeC. interrogativeD. expressive53. The description of a language at some point in time is a ________ study.A. diachronicB. synchronicC. descriptiveD. prescriptiveKey: B54. The distinction between “competence” and “performance” was made by______ .A. N. ChomskyB. F. de SaussureC. M. A. HallidayD. L. BloomfieldKey: A55. According to the places of articulation, sounds in English such as [t], [l], and[z]can be labeled as _______ ones.A. dentalB. bilabialC. velarD. alveolarKey: D56. According to the morphological analysis, the underlined part in the word“inter nation alism” should be regarded as a ___________ .A. rootB. stemC. prefixD. suffixKey: B57. Words such as “telex” and “workfare” are created through ___________.A. affixationB. compoundingC. conversionD. blendingKey: D58. According to the syntactic construction analysis, simple sentence such as “John isa student.” belongs to __________construction.A. endocentricB. exocentricC. coordinateD. subordinateKey: B59. The sense relationship between “male” and “female” is _________.A. complementarityB. gradabilityC. relational oppositesD. hyponymyKey: A60. Componential analysis is a method of analyzing________ meaning.A. sentenceB. lexicalC. grammaticalD. utteranceKey: BII. Are the following statements true (T) or false (F)?1. A sentence cannot be a word or a fragment in strict sense, but an utterance can be a wordor a fragment of a sentence. T/FKey: T2.It doesn’t make sense to ask what language a sentence belongs to. T/FKey: F3. A stem first of all refers to any morpheme or combination of morphemes, but an affix canbe added to it. T/FKey: T4.Every word in a language can find at least one referent in the objective world. T/F Key: F5.In most cases, lexicon means vocabulary and is related to the analysis and creation ofwords, idioms and collocations. T/FKey: T6.The use of the term ‘implicature’ is different from ‘implication’ in that it usuallyindicates a rather narrowly defined logical relationship between two propositions. T/F Key: F7. A phrase means two or more words in sequence, intended to have meaning, that form asyntactic unit that is less than a complete sentence. It is actually synonymous with word group. T/FKey: F8.Collocation is a term in lexicology used by some linguists to refer to the habitualco-occurrences of individual lexical items, or collocates. This relation of co-occurrence usually cannot be accounted for. T/FKey: T9.In order to understand how conversational principles work, we may consider how each maximactually works and how people observe these maxims in daily communication. T/FKey: T10.Syntax studies the rules which govern the ways words, word groups and phrases are combinedto make grammatical sentences in a language, i.e. it deals with the relationships between elements in sentence structures. T/FKey: T11. Even in modern society, the primary medium is sound for all languages, and the fact thatchildren acquire spoken language first before they can read or write also indicates that language is primarily vocal.Key: T12.The defining properties of human language that distinguish it from any animal systemof communication are termed design features.Key: T13.There are other channels, besides language, for communicating our thoughts, so languageis only one aspect of semiotics.Key: T14.Modern linguistics regards the spoken language as primary, written language as secondary. Key: T15.Descriptive linguisti cs aims to lay down rules for ‘correct’ language use, i.e., totell people what they should say and what should not say.Key: F16.Phonology is the branch of linguistics which studies the characteristics of speech soundsand their patterns.Key: F17.The case category is used in the analysis of word classes to identify the syntacticrelationship between words in a sentence.Key: Tnguage is genetically transmitted.Key: F19.The grammar taught today to language learners is still basically descriptive.Key: F20.All the sounds produced by human are speech sounds.Key: F21.Generally speaking, pragmatics can be understood as a branch of linguistic study thatdeals with the factors that govern our choice of language in social interaction and the effects of our choice on others.Key: T22.[f], [v], [s], [z], [] and [] are all fricative in English, but [] and [] arealveolar while [f] and [v] are dental.Key: F23.In most cases, sentence is synonymous with utterance.Key: F24.Syntax exclusively deals with the study of the interrelationships between elements insentence structure, and it has nothing to do with exploring the syntactic relation beyond sentence boundary.Key: F25.The London School proposed a functional approach towards the concept of phoneme, andN. Trubetzkoy made the greatest contribution to the related study.Key: F26.A phoneme in a language is a distinctive sound which is capable of distinguishing oneword or one shape of a word from another.Key: T27.Every language is part of a culture, and it cannot but serve and reflect cultural needs. Key: T28.Sentence can be extended either by conjoining or embedding, and a construction whereconstituents have been linked through the use of conjunction indicates a paratactic relation.Key: F29.Both Chinese and English are tone languages.Key: F30.Words are the smallest meaningful units of language.Key: F31.Derivation changes always result in change of the word class of the original words. Key: T32.Pitch variations may be distinctive like phonemes, and in this function they are calledtones. Languages using tones, like Chinese, are called tone language.Key: T33.The notion of inflection just indicates the manifestation of grammatical relationships,rather than lexical ones, through the addition of inflectional affixes.Key: T34.The same morpheme always takes different forms in different contexts.Key: T35. According to P. Grice, whether a speaker follows or violates the Maxims of the CooperativePrinciple, he produces some implicature, i.e. a kind of extra meaning that is not contained in the utterance.Key: T36.In the history of any language the writing system always came into being before the spokenform. T/FKey: F37.In English, long vowels are also tense vowels because when we pronounce a long vowel suchas/i:/, the larynx is in a state of tension. T/FKey: T38.A compound is the combination of only two words. T/FKey: F39.“The student” in the sentence “The student liked the linguistic lecture”, and “Thelinguistic lecture”in the sentence “The linguistic lecture liked the student.”belong to the same syntactic category. T/FKey: T40.Linguistic forms having the same sense may have different references in differentsituations while linguistic forms with the same reference always have the same sense. T/F Key: F41.An important difference between presupposition and entailment is that presupposition,unlike entailment, is not vulnerable to negation. That is to say, if a sentence is negated, the original presupposition is still true. T/FKey: T42.The division of English into Old English, Middle English, and Modern English is non-conventional and not arbitrary. T/FKey: Fnguage reflects sexism in society. Language itself is not sexist, just as it is not obscene; but it can connote sexist attitudes as well as attitudes about social taboos or racism. T/FKey: T44.If a child is deprived of linguistic environment, he or she is unlikely to learn a languagesuccessfully later on. T/FKey: T45.When children learn to distinguish between the sounds of their language and the sounds that are not part of the language, they can acquire any sounds in their native language once their parents teach them. T/FKey: F46. Leonard Bloomfield maintained that linguistics should describe instead of prescribe what people actually say and should take a deductive approach in analyzing data.Key: F47. Chomsky believes that linguistic study and research can help explain what happens in the mind, and linguistics should be regarded as a branch of psychology.Key: F48. Halliday claims that if we are given an adequate specification of the semantic properties of the context in terms of field, tenor and mode, we should be able to predict the syntactic properties of texts.Key: F49. Onomatopoeia indicates a non-arbitrary relationship between form and meaning.Key: F50. Traffic light system has the feature of duality.Key: F51. The distinction of ‘linguistic potential’ and ‘actual linguistic behavior’ isproposed by N. Chomsky.Key: F52. In English there are three nasal sounds. They are [m], [n], and [l].Key: T53. A morpheme is the minimal contrastive unit in the writing system of a language.Key: F54. According to the functions of affixes, we can put them into groups: inflectional affixes and derivational affixes.Key: T55. Compounding is the formation of new words by joining two or more stems.Key: T56. Metathesis refers to the change of a sound as a result of the influence of an adjacent sound.Key: F57. The requirement that the forms of two or more words of specific word classes which standin specific syntactic relationship with one another shall also be characterized by the same paradigmatically marked category or categories is called concord.Key: T58. According to Searle, those illocutionary acts whose point is to commit the speaker to some future course of action are called directivesKey: F59. The term synchronic linguistics may be defined as a way of referring to the approach which studies language change over various periods of time and at various historical stages. Key: F60. In terms of manner of articulation, the sounds [p], [b], [t], [d], [k], [g] are affricates Key: FIII.Fill in the blanks:1.It is generally believed that J. Austin and _______ made the greatest contribution tothe proposition of Speech Act Theory, an important theory in pragmatic study.Key: J. Searle2.According to the positions affixes occupy in words, __________ falls into prefixationand suffixation.Key: affixation3.The signs “&”, “@”, “%” and “$” widely used today are examples of ______ wri ting.Key: word4.Two methods can be used to reconstruct an older form of a language: internalreconstruction and the _______ reconstruction.Key: external5.The Sapir-Whorf hypothesis has two major thrusts: linguistic determinism and linguistic_______ .Key: relativity6.In the course of communication, a speaker may change from the standard language to thenon-standard language, may shift his subject matter, or may move from one point on the formality scale to another point. This linguistic behavior is referred to as ______.Key: code switch7.The different types of a language as different forms to realize a mere generalizationof the language are called “sub-languages” or _______.Key: (language) varieties8._________ construction refers to a construction in which the distribution of words isfunctionally equivalent to that of one or more of its constituents.Key: Endocentric_9.It’s commonly believed that the basic function of language is that it’s used for_________.Key: human communication10.The degree to which a test measures what it is meant to measure is termed _________ inlanguage testing, and that is an important index used to evaluate the quality of a test. Key: validity11.By _______ is meant that language can refer to contexts removed from the immediatesituation of the speaker.Key: displacementnguage is a system of two sets of structures, the structure of sound and the structureof ___________.Key: meaning13.The three branches of phonetics are articulatory phonetics, auditory phonetics, and_________ phonetics.Key: acoustic14.There are two kinds of stress in English. They are word stress and ________ stress.Key: sentence15.In English there are three nasal sounds. They are [m], [n], and ________.Key: [];16.Morphology is divided in two branches: __________ morphology and derivationalmorphology.Key: .inflectional17.According to H. Paul Grice’s Cooperative Principle, that one should avoid obscurityand ambiguity accords with the ________ Maxim.Key: Manner18.The speech sounds in the production of which there is an obstruction of the airstreamat some point of the vocal tract are called_______.Key: consonants19.A linguistic study is ______ if it tries to lay down rules for the correct use of language. Key: prescriptive20.The sentence “H e married a blonde heiress.” ______ the sentence “He married a blonde.”Key: entaills21.In the course of time, the study of language has come to establish close links withother branches of ________ studies, such as sociology and psychology.Key: social22. Clear[1]and dark[1]are allophones of the same one phoneme /1/.They never take the same position in sound combinations, thus they are said to be in ________ distribution. Key: complementary23.A ________ is often seen as part of a word, but it can never stand by itself although it bears clear, definite meaning.Key: root24.A ________ sentence contains two or more clauses, one of which is incorporated in the other.Key: complex25.That the denial of one member of two words implies the assertion of the other is the characteristic of ________ antonyms.Key: complementary26.While the meaning of a sentence is abstract and decontextualized, that of an ________ is concrete and context-dependent.Key: utterance27.Phonological rules may move phonemes from one place in the string to another. For example, Modern English verb ask was Old English askian, with the /k/ preceding the/s/. Sound change as a result of sound movement is known as ________.Key: metathesis28.In many societies of the world, we find a large number of people who speak more than one language. As a characteristic of societies, ________ inevitably results from the coming into contact of people with different cultures and different languages.Key: bilingualism29.The brain’s neurological specialization for language is called linguistic ________, which is specific to human beings.Key: lateralization30.In order to acquire a second language, learners will subconsciously use their first language knowledge in learning a second language. This is known as language ________. Key: transfer31. _______ phonetics studies the physical properties of speech sounds when they aretransmitted between mouth and ear.Key: Acoustic32. The function of establishing a set of vowels is to facilitate the_______ of vowels oflanguages.Key: description33. If two sounds occurring in the same environment do not contrast, that is, the substitutionof one for the other does not produce a different word form, but merely a different pronunciation of the same word, then the two sounds are in ________variation.Key: free34. The principal _________features are stress, length, pitch and intonation, as all ofthem can be used to distinguish meaning.Key: suprasegmental35.________is the method of creating words by removing the supposed suffixes.Key: Back-formation36. Pronouns and prepositions are two kinds of ________ words to which new members arenot regularly added.Key: closed-class37. The sentence “I promise to come here earlier tomorrow morning.” can be used as anexample to indicate the ________ function of language.Key: performative38. A linguistic study is ________ if it tries to lay down rules for the correct use oflanguage.Key: perspective39. The sounds in the production of which no articulators come very close together andthe air-stream passes through the vocal tract without _________are called vowels.Key: obstruction40. The word “gentlemanly” consists of 4 syllables and ________morphemes.Key: 341. Positional ______, or word order, refers to the sequential arrangement of words ina language.Key: relation42. English gender contrast can only be observed in pronouns and a small number of nouns,and they are mainly of the _________gender type.Key: natural43. Componential analysis defines the meaning of a lexical element in terms of _______components.Key: semantic44. ________refers to the process of construction where one clause is included in thesentence (main clause) in syntactic subordination.Key: subordination45. ________ construction refers to a group of syntactically related words where none ofthe words is functionally equivalent to the group as a whole.Key: exocentric46. The _______function is the use of language to reveal something about the emotions andattitudes of the speaker.Key: expressive。

特殊作业安全管理练习题和答案

特殊作业安全管理练习题和答案

江苏省危险化学品企业特殊作业习题姓名单位名称身份证号一、单项选择题(30题)1、下列作业中不需要办理动火作业许可证的是(A)A.化验室中的电炉加热作业B.乙炔气柜附近使用砂轮作业C.氨合成装置区内进行气割作业D.汽油罐区进行焊接作业2、特殊作业前,应对参加作业的人员进行安全教育,下列不属于安全教育内容的是(C)A.事故的预防、避险、逃生、自救及互救知识B.作业过程中所使用的个体防护器具的使用方法和注意事项C.风险分析的主要方法D.作业现场和作业过程中可能存在的危害因素及应采取的具体安全措施3、在500m3的甲醇储罐内中上部位进行动火作业,应对(D)进行监测分析。

A.上部B.中部C.下部D.以上所有部位均应分析4、当被测气体或蒸气的爆炸下限小于4%时,动火分析的合格标准是:其被测浓度(体积百分数)不应大于(B)A.0.5%B.0.2%C.2%D.5%5、当被测气体或蒸气的爆炸下限大于4%时,动火分析的合格标准是:其被测浓度(体积百分数)不应大于(A)A.0.5%B.0.2%C.2%D.5%6、某地5月的一天,风力六级,该地一企业丙酮精馏装置区域内冷凝器循环冷却水管线破裂,需要动火检修,以下说法正确的是(B)A.有监护人在就可以动火B.可以动火,但应升级管理C.只要车间主任签字即可动D.环境分析合格即可动火7、下列选项不是动火安全作业许可证的必要内容的是(D)A.动火分析的具体数值B.动火的起止时间C.危害辨识和安全措施D.环境温度8、下列选项中叙述错误的是(D)A.动火作业前,应清理动火现场及周围的可燃物质。

B.动火作业前,应办理动火作业证,按要求进行动火分析。

C.动火作业前,应采取有效的安全防火措施,配备满足要求的消防器材。

D.动火作业前,应清理现场,但是监护人必须在动火点10m范围内。

9、在1.8m高乙醇废液储罐上进行管道焊接,需要开具(B)A.高处安全作业证、动火安全作业证、临时用电安全作业证B.动火安全作业证、临时用电安全作业证C.动火安全作业证D.临时用电安全作业证10、特级、一级动火安全作业票有效期不应超过(B );二级动火安全作业票有效期不应超过72h。

《大学生心理健康教育》练习题库与答案

《大学生心理健康教育》练习题库与答案

《大学生心理健康教育》练习题库与答案一、单选题(共60题,每题1分,共60分)1、以下哪种恋爱动机是可取的?( )A、情感慰藉B、为爱而爱C、生理需求D、贪慕虚荣正确答案:B2、以下哪一项不利于改善拖延?( )A、制定计划B、提升行动力C、沉溺于拖延带来的负面情绪D、锻炼自控力正确答案:C3、( )是指一种能够宽容自己、接纳自己、理解自己的过失和苦难,并坦然接受人无完人这一事实的能力,是补充身心的营养剂A、自我欣赏B、自我觉察C、自我安慰D、自我关爱正确答案:D4、不去回忆,主动遗忘不愉快的经历和体验,这种挫折的防御机制属于( )A、压抑B、退化C、冷漠D、逃避正确答案:A5、在哪一种父母教养方式下成长起来的青少年人格幼稚,对父母的依赖性极强而自信心不足,遇到困难便不知所措,与人交往时缺乏共情能力?( )。

A、情感温暖——理解型B、过度保护——溺爱型C、过分干涉——严厉型D、放任不管——忽略型正确答案:B6、为了毕业后找到好工作而学习,这属于哪一种学习动机?( )A、内部动机B、弱动机C、外部动机D、强动机正确答案:C7、为适应大学的学业环境,我们需要采用一些方法,以下方法不正确的是( )A、为自己设立目标,包括大目标和小目标B、埋头苦读,两耳不闻窗外事C、积极向老师、师兄师姐寻求经验和帮助D、充分享受大学里丰富的资源和自由的环境正确答案:B8、当一个人天生就做事稳健,善于忍耐,信念强大,目标专注,那该人属于什么气质类型( )。

A、胆汁质B、粘液质C、抑郁质D、多血质正确答案:B9、在学习过程中尽可能提问,加深对所学内容意义的理解,主动与以前所学的知识相互联系。

这是哪一种学习方式?( )A、连续学习B、间隔学习C、联系学习D、检索学习正确答案:C10、人们成为今天的自己,表现出形形色色的人格特质,其实经历了很多坎坷,人们对这些经历的看法、内化塑造了自己的人格,这属于哪个理论( )A、“ABC”理论B、人格结构理论C、埃里克森人格发展理论D、乔哈里资讯窗理论正确答案:C11、现代神经科学认为,人类所有的心理活动均由( )调控,人们的记忆、喜怒哀乐、一言一行、所思所感等,都是它活动的产物。

最新P2P借贷模式习题练习及答案

最新P2P借贷模式习题练习及答案

一、名词解释P2P网贷直接融资间接融资 P2B二、单项选择题1.下列四个选项中,()是P2P网贷的定义。

A.即点对点信贷,或称个人对个人信贷。

B.具备一定实力和信誉保障的独立机构,借助通信、计算机和信息安全技术,采用与各大银行签约的方式,在用户与银行支付结算系统间建立连接的电子支付模式。

C.指利用互联网提供金融产品、金融服务信息汇聚、搜索、比较及金融产品销售并为金融产品销售提供第三方服务的平台。

D.全称是互联网投融资服务平台,是个人对(非金融机构)企业的一种贷款模式,以融资性担保公司合作为主的网络贷款模式。

2.以下四项中不属于P2P网贷的主要特征的是()。

A.门槛高B.利率高C. 风险大D.交易灵活3.下列四个选项中,不属于P2P网贷风险的是()。

A.技术风险B.信用风险C. 法律风险D.经济风险4.以下四个选项中,哪一项不是P2P网贷与民间借贷的区别()。

A.P2P网贷信息透明化B.P2P网贷平台借贷者之间的链条长C. P2P网贷的客户群体更广泛D.P2P网贷风险定价机制更科学5.以下四个选项中,哪一项不是P2P网贷与银行借贷的区别()。

A.P2P网贷投资者门槛比银行借贷高B.两者业务模式不同C. 两者收入来源不同D.两者入市门槛高低不同6.P2P网贷包括的核心主体不包括()。

A.网络平台B.银行C. 借款人D.出借人7.以下四个选项中哪一项不属于是P2P网贷产生的原因()。

A.银行存款利率低B.互联网技术快速发展C.银行贷款利率高D.市场刚性需求强8.世界上第一家P2P网贷平台是()。

A.ZopaB.Lending ClubC.宜信D.Prosper9.以下四个选项中,哪一项不属于P2P网贷产生的运作模式()。

A.纯平台模式B.线上模式C.线上线下结合D.股权转让模式10.和纯平台模式相对而言的网贷平台运营模式是()。

A.债权转让模式B.纯线上模式C.线上线下结合模式D.无担保模式三、判断题1.P2P网贷是一种“个人对个人”的直接信贷模式。

尔雅通识课公选课世界建筑史练习题及期末考试答案

尔雅通识课公选课世界建筑史练习题及期末考试答案

尔雅通识课公选课世界建筑史练习题1目前我们能看到的最早的中国房屋建于()。

•A、唐朝•B、宋朝•C、元朝•D、明朝我的答案:A2摩天楼出现的两个前提包括钢结构和()•A、剪力墙•B、电梯•C、圈梁•D、后浇带我的答案:B3人类早期在修筑木构建筑时,第三个环节是()。

•A、插桩•B、安梁•C、造墙•D、建顶我的答案:C4东北的房屋一般室内面积很小,主要是为了节能。

()我的答案:√1在氏族社会,人们按照()聚居。

•A、性别区分•B、年龄区别•C、血缘关系•D、等级关系我的答案:C2丽江经历地震而伤亡人少的原因是其建筑材料主要为()。

•A、石头•B、木头•C、水泥•D、砖块我的答案:A3英国画家康斯坦布尔于1846年绘制了关于巨石阵的画作。

()我的答案:×4爱尔兰的玛查女神表现了人们对丰产的崇拜。

()我的答案:√1三大金字塔包括胡夫金字塔、哈夫拉金字塔和()。

•A、孟考拉金字塔•B、美杜姆金字塔•C、哈瓦拉金字塔•D、利斯特金字塔我的答案:A2埃及人造金字塔源于他们()。

•A、对国王的崇拜•B、相信人死后灵魂存在•C、对神的畏惧•D、对死的畏惧我的答案:B3埃及第一个建造金字塔的法老是左塞王。

()我的答案:√4埃及的象形文字之神是伊蒙霍特普。

()我的答案:√1阿蒙神是()之神。

•A、大地•B、太阳•C、月亮•D、海洋我的答案:B得分:25.0分2在埃及新王国时期,第十八王朝时出了一位叛逆法老,他信奉()。

•A、阿蒙神•B、泰芙努特神•C、阿顿神•D、伊西斯神我的答案:C得分:25.0分3埃及神庙中的“公羊大道”,“公羊”是阿蒙神的变身。

()我的答案:√得分:25.0分4埃及法老中,拉美西斯三世与中国秦始皇的成就类似。

()我的答案:X1在中国,是()在广东和福建建立了推广普通话的书院。

•A、康熙皇帝•B、雍正皇帝•C、乾隆皇帝•D、嘉庆皇帝我的答案:B得分:25.0分2乌尔塔庙的第四层代表()。

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第一章练习题及答案(总26页)--本页仅作为文档封面,使用时请直接删除即可----内页可以根据需求调整合适字体及大小--第一章一、单项选择题(每小题1分)1.一维势箱解的量子化由来()a. 人为假定b. 求解微分方程的结果c. 由势能函数决定的d. 由微分方程的边界条件决定的。

答案:d.2.下列算符哪个是线性算符()a. expb. ▽2c. sind.答案:b.3.指出下列哪个是合格的波函数(粒子的运动空间为0→+∞)()a. sinxb. e-xc. 1/(x-1)d. f(x) = e x ( 0≤ x ≤ 1); f(x) = 1 ( x > 1)23答案:b.4.基态氢原子径向分布函数D(r) ~ r 图表示( ) a. 几率随r 的变化b. 几率密度随r 的变化c. 单位厚度球壳内电子出现的几率随r 的变化d. 表示在给定方向角度上,波函数随r 的变化 答案:c.5.首先提出微观粒子的运动满足测不准原理的科学家是( )a.薛定谔b. 狄拉克c. 海森堡 c.波恩答案:c.6.立方势箱中22810ma h E 时有多少种状态( ) a. 11 b. 3 c. 7 d. 2答案:c.47.立方势箱在22812ma h E ≤的能量范围内,能级数和状态数为() ,20 b. 6,6c. 5,11d. 6,17 答案:c. 8.下列函数哪个是22dxd 的本征函数( ) a. mxe b. sin 2xc. x 2+y 2d. (a-x)e -x答案:a. 9.立方势箱中2287ma h E <时有多少种状态( ) a. 11 b. 3 c. 4 d. 2答案:c.10.立方势箱中2289ma h E <时有多少种状态( ) a. 11 b. 3 c. 4 d. 25答案:c.11.已知x e 2是算符x Pˆ的本征函数,相应的本征值为( ) a. i h 2 b. i h 4 c. 4ih d. πi h 答案:d.12.已知2e 2x 是算符xi ∂∂-的本征函数,相应的本征值为( )a. -2b. -4ic. -4ihd. -ih/π答案:d.13.下列条件不是品优函数必备条件的是( ) a. 连续 b. 单值 c. 归一 d. 有限或平方可积 答案:c.16.氢原子基态电子几率密度最大的位置在r=()处a. 0b. a0c. ∞d. 2 a0答案:a.的简并态有几个()17.类氢体系43ma. 16b. 9c. 7d. 3答案:a.18.对氢原子和类氢离子的量子数l,下列叙述不正确的是()a. 它的取值规定了m的取值范围b. 它的取值与体系能量大小有关c. 它的最大取值由解R方程决定6d. 它的取值决定了轨道角动量M的大小答案:b.ψ的径向节面数为()21.He+体系321a. 4b. 1c. 2d. 0答案:d.ψ的径向节面数为()22.Li2+体系3pa. 4b. 1c. 2d. 0答案:b.23.类氢离子体系Ψ310的径向节面数为()a. 4 b. 1 c. 2 d. 0答案:b.24.若l = 3 ,则物理量M z有多少个取值()a. 2b. 3c. 5d. 7答案:d.725.氢原子的第三激发态是几重简并的()a. 6b. 9c. 12d. 16答案:d.26.由类氢离子薛定谔方程到R,○H,Ф方程,未采用以下那种手段()a. 球极坐标变换b. 变量分离c. 核固定近似d. 线性变分法答案:d.27.电子自旋是()28.具有一种顺时针或逆时针的自转b. 具有一种类似地球自转的运动c. 具有一种非空间轨道运动的固有角动量d. 因实验无法测定,以上说法都不对。

答案:c.828.原子轨道的含义是()a. 原子空间运动的轨道b. 描述原子中电子运动的轨道c. 描述原子空间轨道运动的状态函数d. 描述原子中单个电子空间运动的状态函数答案:d.ψ的简并态有几个()29.对H原子而言,32ma. 16b. 9c. 7d. 3答案:b.ψ轨道上运动的电子角动量在磁场方向30.氢原子211的分量Mz等于()a. b. 2 c. 0 d. -910 答案:a.31.下列图形中哪个是R 1s 2(r)的函数曲线( )c. Rr r答案:c.32.多电子原子的Schrodinger 方程中N 个电子排斥势能项可写成( )a. ∑j i ij r ,121b. ∑≠j i ij r 121c.∑j i ij r ,1d.∑>j i ij r 12111 答案:b.33.一维谐振子的势能表达式为221kx V =,则该体系的定态Schrodinger 方程中的哈密顿算符为( ) a. 221kx b. 222212kx m +∇ c. 222212kx m -∇- d.222212kx m +∇- 答案:d.34.氢原子基态电子几率密度最大的位置在何处( )a. r = 0b. r = a 0c. r = 2a 0d. r =∞ 答案:a.35.氢原子1s 态,径向分布函数D(r)极大值在( ) a. r=0b. r = a 0c. r = 2a 0d. r =∞答案:b.36.若l = 2 ,则物理量Mz 有多少个取值( ) a. 2 b. 3 c. 5 d. 4答案:c.12 37.He +离子的3p 轨道上运动的电子角动量大小||M 等于( ) a. 3 b. 2 c. d . 2答案:b.38.Li 2+体系pz 3ψ的径向节面数为( )a. 4b. 1c. 2d. 0答案:b.40.下列函数中,不是Z M ˆ的本征函数的为( )a. Y Sb. Y pzc. Y 1,-1d. Y Px答案:d.41. H 原子的s 轨道的角动量为( ) a. π2h b. π22h c. 0 d. -π2h答案:c.42. Be 3+ 的1s 轨道能应为多少-R ( )a. b. 1 c. 16 d. 4答案:c.ψ状态,则下列结论何者正确43.已知He+处于311()a. E = -R/9b.简并度为 1c. 径向分布函数的峰只有一个d. 以上三个答案都不正确答案:d.ψ态,其轨道角动量与z轴的夹角44. 氢原子处在321为()a. ºb. 45ºc. 60ºd. 90º答案:a.1345. Be3+的一个电子所处的轨道,能量等于氢原子1s 轨道能,该轨道可能是()a. 1sb. 2sc. 4dd. 3p答案:c.46. 5f波函数的径向分布函数图的节面数为()a. 1b. 2c. 4d. 3答案:a.47. 对于氢原子径向分布函数D® ~ r图,下列说法错误的是()a. 径向峰数与节面数都于n,l有关b. 核周围电子出现的几率为0c. l相同,n愈大,则最高峰离核愈远d. 最高峰所对应的r处,电子出现的几率密度最大答案:d.48.电子云图是下列哪一种函数的图形()1415a. D(r) (r) c.),,(2ϕθr ψ d. ),,(ϕθr ψ答案:c.49.已知类氢波函数px 2ψ的各种图形,推测px 3ψ图形,下列说法错误的是( )a.角度部分的图形相同b.电子云图相同c.径向分布函数图不同d.界面图不同答案:b.50.氢原子中电子处于pz 2ψ状态,其角动量在下列哪个轴上的投影有确定值( )a. x 轴b. y 轴c. z 轴d. x, y 轴答案:c.二、多项选择题(每小题2分)161. 下列各电子运动状态中,哪一种不可能存在( )a. 410ψb. 220ψc. 301ψd. 311ψe. 131-ψ答案:.2. 对原子中任一电子,下列结论何者正确( ) a. 23=S M b. 21=sz M c. 21=SZ M d. 21-=sz M e. 0=sz M 答案:.3. 下列哪些条件并非品优波函数的必备条件( ) a. 归一化 b. 连续 c.正交性d. 单值e. 平方可积答案:.176.求解氢原子薛定谔方程,我们常采用下列哪些近似( )a. 核固定近似b.变量分离c.中心力场近似d.轨道近似e.变分法答案:.7.由类氢离子薛定谔方程到R ,○H ,Ф方程,采用以下那种手段( )a. 球极坐标变换b. 变量分离c. 轨道近似 d . 线性变分法 e.核固定近似答案:已知类氢波函数px 2ψ的各种图形,推测px 3ψ图形,下列说法正确的是( )a.角度部分的图形相同b.电子云图相同c.径向分布函数图不同d.界面图不同e.径向截面数相同答案:对氢原子和类氢离子的量子数l,下列叙述正确的是()a. 它的取值规定了m的取值范围b. 它的取值与体系能量大小有关c. 它的最大取值由解R方程决定d. 它的取值由m决定e. 它的取值决定了轨道角动量M的大小答案:对于氢原子径向分布函数D(r) ~ r图,下列说法正确的是()a.径向峰数与节面数都于n,l有关b.核周围电子出现的几率为0相同,n愈大,则最高峰离核愈远d.最高峰所对应的r处,电子出现的几率密度最大18e.只与有n关,而与l无关答案:三、填空题(每小题1分)1.德布罗意关系式为___________。

答案:p=h/λ中的l称为__________,因为它决定体系角动量2.nlm的大小。

答案:角量子数3.由于电子是全同粒子,同时电子波函数是_______(对称,反对称)的,因此多电子的波函数需用Slater行列式波函数来描述。

答案:反对称194.一维势箱解的量子化由来是根据___________ 自然得到的。

答案:微分方程的边界条件中的n称为主量子数,因为它决定类氢原子5.nlm体系的_________。

答案:能量6.合格波函数需满足的三个条件是:连续的、单值的和___________。

答案:平方可积7.德布罗意假设揭示了微观粒子具有_______________,因此微观粒子具有测不准关系。

答案:波粒二象性8.任何一个微观体系的运动状态都可用一个波函数来描述,体系中的粒子出现在空间某点(x,y,z)附近的几率与_________成正比。

2021 答案:2ψ9.由于在磁场中m 不同的状态能级发生分裂,nlm ψ中的m 称为___________。

答案:磁量子数10.一维势箱的零点能为____________________。

答案:228ml h 11. 原子轨道是原子中的单电子波函数, 每个原子轨道只能容纳 ______个电子。

答案:212.H 原子(气态)的电离能为 eV , He +(气态)的电离能为 _______ eV 。

答案: eV13.德布罗意波长为的电子动量为___________,答案:×10-242214.三个导致“量子化”概念引入的著名实验:黑体辐射、_____________和氢原子光谱。

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