东师《操作系统》19春在线作业2

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东师《英语课程与教学论》19春在线作业2

东师《英语课程与教学论》19春在线作业2

(单选题)1: If a writing task is more general (for example, developing informal letter writing skills), then what is the best approch of correction?A: teacher-guided correctionB: group correctionC: focus correcting正确答案:(单选题)2: For most people the term ”curriculum” includes those act activities that education have devised for _ ,which are represented in the form of a written document . A: teachersB: designersC: learnersD: students正确答案:(单选题)3: How many steps are there to teach free writing?A: 3B: 4C: 5D: 6正确答案:(单选题)4: Repetition is belongs to what strategy?A: metacognitive strategyB: cognitive strategyC: social strategyD: affective strategy正确答案:(单选题)5: ()involves teachers identifying issues and problems relevant to their own classes.A: Literature reviewB: QuestionnaireC: Action researchD: lassroom observation正确答案:(单选题)6: ()research must be analyticA: experimentalB: descriptiveC: Action researchD: A case study正确答案:(单选题)7: Among speaking strategies, which involves using alternatives for words which you do not know?A: Tailoring message to competenceB: ParaphrasingC: Using fillers and hesitation devicesD: Appealing for help正确答案:(单选题)8: If we should not require native-like pronunciation, then what should be our realistic goal when we speak English in the classroom().A: consistencyB: intelligibilityC: communicative efficiencyD: above all正确答案:(单选题)9: The Audio-lingual Method was developed in the () during World War II. A: GermanB: ChinaC: FranceD: United States正确答案:(单选题)10: Who found a strong connection between aptitude and proficiency?A: GardnerB: KreshenC: TerrellD: Carroll正确答案:(单选题)11: In the language focus phase, language analysis activities also provide a focus on form through ()processes.A: teachers' instructionsB: language acquisitionC: peers' helpD: consciousness-raising正确答案:(单选题)12: () relates to the truthfulness of the data.A: validityB: reliabilitC: subjectD: object正确答案:(单选题)13: Which one of the charaters is not belongs to a good language learner? A: Be creative and experiment with languageB: learns to live with errors and learn from errorsC: recites words without understandingD: seeks out all opportunities to use the target language正确答案:(单选题)14: In your opinion, which one is the most typical macro planning (). A: unit planningB: half a semester planningC: one semester planningD: whole course planning正确答案:(单选题)15: The most common form of authority involved in developing language policy and planning is the ().A: governmentB: courtC: procuratorateD: Public Security Bureau正确答案:(单选题)16: ()involves the organization of learning and teaching in such a way that the traditional notion of the "average student" and "aiming for the middle "in teaching is abandoned.A: pair workB: group workC: teacher's helpD: individualization正确答案:(单选题)17: The biggest problem for group work is the selection of group members. Below are some possible ways to group students. Each of them is appropriate except ().A: group the students according to seating arrangementB: students select their own group members (risky)C: group the students by drawing lotsD: divide the strong students and the weak students into different groups正确答案:(单选题)18: Cognitive and interactional patterns cannot affect the way in which students?A: perceiveB: rememberC: thinkD: practice正确答案:(单选题)19: Which opinion of using English in the classroom is wrong?()A: teacher-guided correctionB: group correctionC: focus correcting正确答案:(单选题)20: Which expression is wrong about learning students' names?()A: Help show students that the teacher is interested in them.B: It shows the teacher is responsible.C: The teacher could ask individual students to assist with demonstrations.D: The teacher could ask individual students to assist with equipment in the class. 正确答案:(多选题)21: Which are cognitive strategies?A: resourcingB: translationC: elaborationD: delayed productionE: question for clarification正确答案:(多选题)22: In the language focus phase, learners could ()A: notice and reflect on language featuresB: recycle the task languageC: go back over the text or recording and investigate new itemsD: practice pronouncing useful phrases正确答案:(多选题)23: Research is considered to be a process built around three key features:() A: Research questions and hypotheses are clearly articulatedB: specification of appropriate research methods for addressing and answering C: therory of your resaerchD: specification of a research context for the questions正确答案:(多选题)24: What are the functions of teacher talk?()A: teachingB: socializationC: organizationD: managemant正确答案:(多选题)25: A typical class might be structured in the manner presented below(). A: introductionB: inputC: interactionD: evaluationE: integration正确答案:(多选题)26: For most cases, teachers have to search for and develop their own strategies to maintain discipline in their classroom. Which measures do you think are proper for indisciplined acts and badly behaving students().A: talk to students in the classB: stop the classC: change the activityD: rearrange the seatsE: putting them in the corridor正确答案:(多选题)27: Techniques of noting an error including().A: facial expressionB: sentence completionC: clarification requestD: explicit correction正确答案:(多选题)28: Which procedures are recommended in preparing self-report forms (Richards and Lockhart, 1996)A: identify in as much as possible the philosophy underlying the courseB: identify different kinds of teaching activities, proceduresC: prepare a lesson report formD: prepare videos正确答案:(多选题)29: Errors could be divided into three groups,they are().A: interference errorsB: intralingual errorsC: systematic errorsD: developmental errors正确答案:(多选题)30: For the public use of language(talking to the whole class) students willneed to focus on()as befits a public presentation.A: fluencyB: accuracyC: clarityD: organization正确答案:(判断题)31: If there is an immediate task at hand, such as taking a test, perhaps teacher-guided correction is the most effective solution.A: 错误B: 正确正确答案:(判断题)32: The aim at the controlled practice stage is simply to give students practice in forming or "manipulating" the structure.A: 错误B: 正确正确答案:(判断题)33: In Communicative Approach , the focus is on language form, rather than on meaning.A: 错误B: 正确正确答案:(判断题)34: English is described as a second language in countries such as Fiji, Singapore, Nigeria,America.A: 错误B: 正确正确答案:(判断题)35: Learners can correct but not explain systematic error.A: 错误B: 正确正确答案:(判断题)36: Students feel less anxiety when they are working “privately” than when they are “on show” in front of the whole class.A: 错误B: 正确正确答案:(判断题)37: Paraphrsing is a kind of common speaking strategy.A: 错误B: 正确正确答案:(判断题)38: A distinguishing characteristic of experimental research is that it adopts manipulation and control to measure internal and external validity.A: 错误B: 正确正确答案:(判断题)39: Inductive reasoning works from the more general to the more specific, and it is sometimes called a "top-down" approach.A: 错误B: 正确正确答案:(判断题)40: Curriculum and syllabus can represent the same theory of learning and can be realeased in various way.A: 错误B: 正确正确答案:(判断题)41: At the presentation stage the teacher introduces new language for students to learn. Here the teacher is in complete control and does almost all the talking.A: 错误B: 正确正确答案:(判断题)42: A normal role play can be called a task even if it does not contain a problem-solving element.A: 错误B: 正确正确答案:(判断题)43: It is the best to follow the order and pace of the course book.A: 错误B: 正确正确答案:(判断题)44: Fluency describes a level of proficiency in communication which includes the ability to produce written and/or spoken language with ease.A: 错误B: 正确正确答案:(判断题)45: The teacher has only one role to play in the classroom.A: 错误B: 正确正确答案:(判断题)46: Five elements of reflective teaching model are linear or sequential and always followed by the next element in the cycle.A: 错误B: 正确正确答案:(判断题)47: Intralingual errors originate with the structure of the native language itself.A: 错误B: 正确正确答案:(判断题)48: If nobody corrects leanrners' error, they will never learn good English. A: 错误B: 正确正确答案:(判断题)49: Errors can indicate the student's stage of language learning and acquistion.A: 错误B: 正确正确答案:(判断题)50: If teachers do not have enough time, they could finish abruptly or run on afte bell.A: 错误B: 正确正确答案:(单选题)1: If a writing task is more general (for example, developing informal letter writing skills), then what is the best approch of correction?A: teacher-guided correctionB: group correctionC: focus correcting正确答案:(单选题)2: For most people the term ”curriculum” includes those act activities that education have devised for _ ,which are represented in the form of a written document . A: teachersB: designersC: learnersD: students正确答案:(单选题)3: How many steps are there to teach free writing?A: 3B: 4C: 5D: 6正确答案:(单选题)4: Repetition is belongs to what strategy?A: metacognitive strategyB: cognitive strategyC: social strategyD: affective strategy正确答案:(单选题)5: ()involves teachers identifying issues and problems relevant to their own classes.A: Literature reviewB: QuestionnaireC: Action researchD: lassroom observation正确答案:(单选题)6: ()research must be analyticA: experimentalB: descriptiveC: Action researchD: A case study正确答案:(单选题)7: Among speaking strategies, which involves using alternatives for words which you do not know?A: Tailoring message to competenceB: ParaphrasingC: Using fillers and hesitation devicesD: Appealing for help正确答案:(单选题)8: If we should not require native-like pronunciation, then what should be our realistic goal when we speak English in the classroom().A: consistencyB: intelligibilityC: communicative efficiencyD: above all正确答案:(单选题)9: The Audio-lingual Method was developed in the () during World War II. A: GermanB: ChinaC: FranceD: United States正确答案:(单选题)10: Who found a strong connection between aptitude and proficiency?A: GardnerB: KreshenC: TerrellD: Carroll正确答案:(单选题)11: In the language focus phase, language analysis activities also provide a focus on form through ()processes.A: teachers' instructionsB: language acquisitionC: peers' helpD: consciousness-raising正确答案:(单选题)12: () relates to the truthfulness of the data.A: validityB: reliabilitC: subjectD: object正确答案:(单选题)13: Which one of the charaters is not belongs to a good language learner? A: Be creative and experiment with languageB: learns to live with errors and learn from errorsC: recites words without understandingD: seeks out all opportunities to use the target language正确答案:(单选题)14: In your opinion, which one is the most typical macro planning (). A: unit planningB: half a semester planningC: one semester planningD: whole course planning正确答案:(单选题)15: The most common form of authority involved in developing language policy and planning is the ().A: governmentB: courtC: procuratorateD: Public Security Bureau正确答案:(单选题)16: ()involves the organization of learning and teaching in such a way that the traditional notion of the "average student" and "aiming for the middle "in teaching is abandoned.A: pair workB: group workC: teacher's helpD: individualization正确答案:(单选题)17: The biggest problem for group work is the selection of group members. Below are some possible ways to group students. Each of them is appropriate except ().A: group the students according to seating arrangementB: students select their own group members (risky)C: group the students by drawing lotsD: divide the strong students and the weak students into different groups正确答案:(单选题)18: Cognitive and interactional patterns cannot affect the way in which students?A: perceiveB: rememberC: thinkD: practice正确答案:(单选题)19: Which opinion of using English in the classroom is wrong?()A: teacher-guided correctionB: group correctionC: focus correcting正确答案:(单选题)20: Which expression is wrong about learning students' names?()A: Help show students that the teacher is interested in them.B: It shows the teacher is responsible.C: The teacher could ask individual students to assist with demonstrations.D: The teacher could ask individual students to assist with equipment in the class. 正确答案:(多选题)21: Which are cognitive strategies?A: resourcingB: translationC: elaborationD: delayed productionE: question for clarification正确答案:(多选题)22: In the language focus phase, learners could ()A: notice and reflect on language featuresB: recycle the task languageC: go back over the text or recording and investigate new itemsD: practice pronouncing useful phrases正确答案:(多选题)23: Research is considered to be a process built around three key features:() A: Research questions and hypotheses are clearly articulatedB: specification of appropriate research methods for addressing and answering C: therory of your resaerchD: specification of a research context for the questions正确答案:(多选题)24: What are the functions of teacher talk?()A: teachingB: socializationC: organizationD: managemant正确答案:(多选题)25: A typical class might be structured in the manner presented below(). A: introductionB: inputC: interactionD: evaluationE: integration正确答案:(多选题)26: For most cases, teachers have to search for and develop their own strategies to maintain discipline in their classroom. Which measures do you think are proper for indisciplined acts and badly behaving students().A: talk to students in the classB: stop the classC: change the activityD: rearrange the seatsE: putting them in the corridor正确答案:(多选题)27: Techniques of noting an error including().A: facial expressionB: sentence completionC: clarification requestD: explicit correction正确答案:(多选题)28: Which procedures are recommended in preparing self-report forms (Richards and Lockhart, 1996)A: identify in as much as possible the philosophy underlying the courseB: identify different kinds of teaching activities, proceduresC: prepare a lesson report formD: prepare videos正确答案:(多选题)29: Errors could be divided into three groups,they are().A: interference errorsB: intralingual errorsC: systematic errorsD: developmental errors正确答案:(多选题)30: For the public use of language(talking to the whole class) students will need to focus on()as befits a public presentation.A: fluencyB: accuracyC: clarityD: organization正确答案:(判断题)31: If there is an immediate task at hand, such as taking a test, perhaps teacher-guided correction is the most effective solution.A: 错误B: 正确正确答案:(判断题)32: The aim at the controlled practice stage is simply to give students practice in forming or "manipulating" the structure.A: 错误B: 正确正确答案:(判断题)33: In Communicative Approach , the focus is on language form, rather than on meaning.A: 错误B: 正确正确答案:(判断题)34: English is described as a second language in countries such as Fiji, Singapore, Nigeria,America.A: 错误B: 正确正确答案:(判断题)35: Learners can correct but not explain systematic error.A: 错误B: 正确正确答案:(判断题)36: Students feel less anxiety when they are working “privately” than when they are “on show” in front of the whole class.A: 错误B: 正确正确答案:(判断题)37: Paraphrsing is a kind of common speaking strategy.A: 错误B: 正确正确答案:(判断题)38: A distinguishing characteristic of experimental research is that it adopts manipulation and control to measure internal and external validity.A: 错误B: 正确正确答案:(判断题)39: Inductive reasoning works from the more general to the more specific,and it is sometimes called a "top-down" approach.A: 错误B: 正确正确答案:(判断题)40: Curriculum and syllabus can represent the same theory of learning and can be realeased in various way.A: 错误B: 正确正确答案:(判断题)41: At the presentation stage the teacher introduces new language for students to learn. Here the teacher is in complete control and does almost all the talking.A: 错误B: 正确正确答案:(判断题)42: A normal role play can be called a task even if it does not contain a problem-solving element.A: 错误B: 正确正确答案:(判断题)43: It is the best to follow the order and pace of the course book.A: 错误B: 正确正确答案:(判断题)44: Fluency describes a level of proficiency in communication which includes the ability to produce written and/or spoken language with ease.A: 错误B: 正确正确答案:(判断题)45: The teacher has only one role to play in the classroom.A: 错误B: 正确正确答案:(判断题)46: Five elements of reflective teaching model are linear or sequential and always followed by the next element in the cycle.A: 错误B: 正确正确答案:(判断题)47: Intralingual errors originate with the structure of the native language itself.A: 错误B: 正确正确答案:(判断题)48: If nobody corrects leanrners' error, they will never learn good English. A: 错误B: 正确正确答案:(判断题)49: Errors can indicate the student's stage of language learning and acquistion.A: 错误B: 正确正确答案:(判断题)50: If teachers do not have enough time, they could finish abruptly or run on afte bell.A: 错误B: 正确正确答案:。

东师-课程与教学论19春在线作业21答案

东师-课程与教学论19春在线作业21答案

课程与教学论19春在线作业2-0003试卷总分:100 得分:0一、单选题(共20 道试题,共60 分)1.“评价应该向听取评价结果的人提供它们所关心的信息,评价者应该充分了解那些人所关心的问题”,持这种观点的评价专家是.A.斯克里文B.斯太克C.莱斯D.利维正确答案:A2.教师不但要教书,也要教人,主要是受到( )心理学说的影响A.人文主义B.行为主义C.认知主义D.分析主义正确答案:A3.你认为依照认知能力,下列书籍()较适合小学低年级学生阅读:A.爱弥儿B.哈利波特C.安徒生童话D.林哈德与葛笃德正确答案:C4.以下主要“体现在国家、地方、学校的教育哲学中,体现在宪法、教育基本法、教育方针之中”的是A.教育目的B.教育目标C.培养目标D.课程与教学目标正确答案:A5.按照美国课程理论专家派纳的观点,20世纪70年代以来课程研究的范式正从“课程开发范式”转变为:A.课程解读范式B.课程理解范式C.课程实施范式D.课程评价范式正确答案:B6.()学校课程主动选择社会生活经验,并不断批判与超越社会生活经验,而且还不断建构新的社会生活人,这是“超越论”的基本观点。

A.被动适应论B.主动适应论C.超越论D.-正确答案:C7.杜威所代表的课程论是A.浪漫自然主义经验课程论B.经验自然主义经验课程论C.当代人本主义经验课程论D.永恒主义课程论正确答案:B8.“泰勒原理”的实践基础是A.活动分析B.解放兴趣C.八年研究D.泰罗主义正确答案:C9.“任何学科都能够用在智育上是正确的方法有效地教给任何发展阶段的任何儿童。

”这句话出自哪位教育家A.杜威B.布鲁纳C.布卢姆D.凯洛夫正确答案:B10.德国教育家拉伊和梅伊曼主张把教育教学研究建立在生物学、生理学、实验心理学的基础上,运用实验、观察和统计方法,从而使教育学成为“科学的教育学”,这种“科学的教育学”被称为:A.经验教育学B.思辨教育学C.实验教育学D.活动教育学正确答案:C11.()是课程专家按照课程理论和当时社会发展及儿童发展的需要,所确定的有关课程应该如何设计,应该达到什么样的水平和标准的想法。

东师美学19春在线作业2-0005参考答案

东师美学19春在线作业2-0005参考答案

美学19春在线作业2-0005
试卷总分:100 得分:100
一、单选题 (共 10 道试题,共 30 分)
1.林黛玉会对贾宝玉送给她的一块旧手帕产生天下至美之物的感受。

这是因为林黛玉采取了()。

A.认知态度
B.审美态度
C.实用态度
D.伦理态度
答案:B
2.技术美给人的愉悦是一种复合体,包括()
A.美感
B.生理快感
C.某种精神快感
D.以上三项
答案:D
3.下列美学家中不主张模仿说的是()
A.贺拉斯
B.柏拉图
C.席勒
D.亚里士多德
答案:C
悲剧区别于一般崇高感的特点是()
A.赞美
B.振奋
C.恐惧
D.净化
答案:C
5.中国古代的“风骨”理论属于美学范畴中的()。

A.祟高
B.悲剧
C.喜剧
D.优美
答案:A
6.“崇高”是西方美学中重要的美学范畴,西方最早提出这个概念的人是()。

A.黑格尔
B.朗吉弩斯
C.康德
D.博克
答案:B
7.技术美学的功能主义在西方各国都得到迅速的发展,其中影像较大的“包豪斯”属于哪国?()。

东师操作系统18春在线作业2

东师操作系统18春在线作业2

(单选题) 1: 分区管理要求对每一个作业都分配()的内存单元。

A: 地址连续B: 若干地址不连续C: 若干连续的帧D: 若干不连续的帧正确答案:(单选题) 2: 并发性是指若干事件在()发生。

A: 同一时刻B: 同一时间间隔内C: 不同时刻D: 不同时间间隔内正确答案:(单选题) 3: 处于后备状态的作业存放在()中。

A: 外存B: 内存C: A和BD: 扩展内存正确答案:(单选题) 4: 在分页存储管理系统中,从页号到物理块号的地址映射是通过()实现的。

A: 段表B: 页表C: PCBD: JCB正确答案:(单选题) 5: CPU状态分为系统态和用户态,从用户态转换到系统态的唯一途径是()。

A: 运行进程修改程序状态字B: 中断屏蔽C: 系统调用D: 进程调度程序正确答案:(单选题) 6: 在磁盘调度算法中,电梯调度算法是指()。

A: SSTFB: SCANC: CSCAND: FSCAN正确答案:(单选题) 7: 在下列物理文件中,()将使文件顺序访问的速度最快。

A: 顺序文件B: 链接文件C: 索引文件D: 直接文件正确答案:(单选题) 8: 为了解决CPU输出数据的高速度与打印机打印的低速度矛盾,可采用()。

A: 并行技术B: 通道技术C: 缓冲技术D: 虚存技术正确答案:(单选题) 9: 文件代表了计算机系统中的()。

A: 硬件B: 软件C: 软件资源D: 硬件资源正确答案:(单选题) 10: 虚拟存储管理策略可以()。

A: 扩大物理内存容量B: 扩大物理外存容量C: 扩大逻辑内存容量D: 扩大逻辑外存容量正确答案:(单选题) 11: 在计算机系统中,控制和管理各种资源、有效地组织多道程序运行的系统软件称作()。

A: 文件系统B: 操作系统C: 网络管理系统D: 数据库管理系统正确答案:(单选题) 12: 下列论述中错误的一条是()。

A: 虚拟盘是一种易失性存储器,因此它通常只用于存放临时文件。

东师古代汉语(1)19在线作业2-0004参考答案

东师古代汉语(1)19在线作业2-0004参考答案

东师古代汉语(1)19在线作业2-0004参考答案古代汉语(1)19在线作业2-0004试卷总分:100得分:100一、单选题(共10道试题,共25分)1.“其北陵,XXX之所避风雨也。

”中“陵”字的文中义是A.皇陵B.平原C.大山D.土堆答案:C2.记录和传递语言的社会性的书写符号体系是:A.语音B.词义C.文字D.书信答案:C3.XXX对“六书”中“形声”所下的定义是A.比类合谊,以见指挥B.本无其字,依声托事C.建类一首,同意相授D.以事为名,取譬相成答案:D4.下列句子中属于疑问代词作宾语前置的是A.过而不改,是谓过矣.B.“XXX乎”曰:“冠。

”曰:“奚冠?”曰:“冠素。

”C.舍瑟而作。

D.权使其士,虏使其民。

谜底:B5.“缘木求鱼,虽不得鱼,无后灾。

”中“缘”的文中义是A.边缘B.经由C.沿着D.攀登谜底:D6.“歌、謌”的关系是()A.古今字B.异体字C.通假字D.繁简字谜底:B7.用“六书”实际分析汉字的结构,“店、河、帛、在、治、”属于A.象形B.指事C.形声D.会心答案:C8.“于予与何诛?”中“诛”的文中义是()A.责备B.诛杀C.征伐D.啃噬答案:A9.属于XXX“六书”中用字法的是()A.象形B.指事C.形声D.假借答案:D10.现在通行的《十三经注疏》本《春秋左传注疏》的做注者是晋朝的A.XXXB.XXXC.XXXD.XXX答案:C2、多选题(共10道试题,共25分)11.古今字的起原一般有两个,属于同音假借的是A.辟—避B.XXXC.益—溢D.弟—悌谜底:AB12.下列句子中,有名词用作动词现象的是A.老臣今者殊不欲食。

B.有为XXX之言者许行,自XXX,踵门而告XXX曰C.戎狄是膺,XXX是惩。

D.惟天为大,惟尧则之。

答案:BD13.甲骨文作为早期文字,它具有哪些特点()()()()A.异体字繁多B.偏旁不固定C.保留描画物象的色彩D.书写自由灵活谜底:ABCD14.下列各句中,“为”字是动词的是A.重为之礼而归之B.子为正卿,亡不越竟,反不讨贼,非子而谁C.及XXX即位,为之请制D.不如早为之所,无使滋蔓谜底:ABD15.下列各句中“夫”字为远指代词的是A.逝者XXX,不舍昼夜。

东师-编译原理19春在线作业21答案

东师-编译原理19春在线作业21答案

编译原理19春在线作业2-0001试卷总分:100 得分:0一、单选题(共20 道试题,共60 分)1.词法分析器输出的单词符号常常表示成什么样的二元式()。

A.(Class,Value)B.(OP,Result)C.(Class,Result)D.(OP,Value)正确答案:A2.已知文法G:S→LaR|R,L→bR|c,R→L,该文法是哪一类文法()。

A.LR(0)文法B.SLR(1)文法C.LR(1)文法D.都不是正确答案:C3.自底向上分析开始时,首先在栈底放置什么符号,然后将输入符号逐个推入栈内()。

A.界符#及开始符号SB.开始符号SC.界符#号D.当前的输入符号正确答案:C4.在定义程序中的一个循环时,流程图中的一个结点指的是什么()。

A.一个四元式B.几个四元式C.一个基本块D.几个基本块正确答案:C5.下述语句类中,什么在编译时通常不产生可执行代码()。

A.赋值语句B.流程控制语句C.复合语句D.说明语句正确答案:D6.在文法中,由于有些符号不需要进一步定义,故通常将它们称为什么()。

A.终结符号B.非终结符号C.开始符号D.基本符号正确答案:A7.与正规式(a|b)* 等价的正规式是哪个()。

A.a*|b*B.a*b*C.(a*b*)*D.(ab)*正确答案:C8.LL(l)文法的条件是什么()。

A.对形如U→x1|x2|…|xn 的产生式,要求FIRST(xi)∩FIRST(xj)=? (i≠j)B.对形如U→x1|x2|…|xn 的产生式,若xiTε,则要求FIRST(xj)∩FOLLOW(U)=?C.前两条D.都不是正确答案:C9.在通常的语法分析方法中,哪种方法特别适用于表达式的分析()。

A.算符优先分析法B.LR分析法C.递归下降分析法D.LL(1)分析法正确答案:A10.LR分析表中的哪一个元素指明,当栈顶状态为I且正扫视的输入符号为a时要完成的分析动作()。

A.GOTO[I,a]B.ACTION[I,a]C.CLOSURE[I,a]D.GO[I,a]正确答案:B11.编译程序与解释程序的主要区别在于什么()。

东师企业战略管理19春在线作业2【标准答案】

东师企业战略管理19春在线作业2【标准答案】

东师企业战略管理19春在线作业2【标准答案】企业战略管理19春在线作业2-0002试卷总分:100 得分:0⼀、单选题 (共 10 道试题,共 20 分)1.战略成本分析的主要⼯具是():确定设计、⽣产、营销、发货以及产品或服务⽀持中的各项独⽴活动、功能和业务流程。

A.雷达图B.通⽤矩阵C.波⼠顿矩阵D.价值链2.在()的情况下购买者拥有强的讨价还价能⼒。

A.不存在后向整合的威胁B.他们不是供应商产品的重要采购者C.不存在转换成本D.购买者的⾏业被分割3.战略管理者对于企业⽽⾔充当()⾓⾊A.战略的制定者B.战略实施的领导者和组织者C.实施过程的控制者和结果的评判者D.以上全是4.⼀个既追求全球协调⼜要对本地市场做出回应的公司是在实⾏()A.跨国战略B.全球化战略C.国际化战略D.国际本⼟化战略5.以资本联合为特征、产权主体多元化的复杂经济联合组织,它的本质属性应该是:两个或两个以上的法⼈企业的联合组织,这种组织叫做()A.企业集团B.战略联盟C.战略群体D.合作经营6.()⼜叫垂直⼀体化战略,是将⽣产与原材料供应,或者⽣产与产品销售联结⾄⼀起的战略形式。

A.前向⼀体化战略B.后向⼀体化战略C.横向⼀体化战略D.纵向⼀体化战略7.从狭义上讲,企业战略由六个要素组成,即经营范围、()、战略⾏动、资源配置、竞争优势和协同作⽤。

A.战略⽬标B.战略联盟C.跨国企业经营D.本⼟化8.⽆形资产()A.包括⽣产所必需的⼚房、设备等B.⽐有形资产更灵活C.没有有形资产灵活D.促使企业产品的分销9.企业在其所经营的产品或服务的领域中,如何同竞争对⼿竞争取胜的战略被称做()A.资源战略B.竞争战略C.战略控制D.战略变⾰10.在某些⾏业,随着企业⽣产经营的累积,其产品的单位成本随之下降。

导致成本下降的原因有很多,如⼯⼈⼯作⽅法的改进和效率的提⾼,这是典型的()A.价值链B.经验曲线C.⽣产的专利技术D.品牌效益⼆、多选题 (共 20 道试题,共 40 分)1.形成战略联盟的⽅式有()A.技术转移B.相互特许C.中间产品联营D.合作⽣产2.稳定型战略的优点是()A.企业的经营风险相对较⼩B.避免改变资源分配的困难C.避免发展过快⽽导致的弊端D.给企业⼀个较好的休整期3.战略联盟是()。

东师《数据结构》19春在线作业2

东师《数据结构》19春在线作业2

(单选题)1: 从一个栈顶指针top的链栈中删除一个结点时,用x保存被删除的元素,执行 ( )。

A: x = top; top = top->next;B: top = top->next; x = top->data;C: x = top->data;D: x = top->data; top = top->next;正确答案:(单选题)2: 在下述几种排序方法中,不稳定的排序方法是 ()。

A: 直接插入排序B: 冒泡排序C: 直接选择排序D: 归并排序正确答案:(单选题)3: 在队列中存取数据的原则是 ( )。

A: 先进先出B: 后进先出C: 先进后出D: 随意进出正确答案:(单选题)4: “堆积”问题是由于()引起的。

A: 同义词之间发生冲突B: 散列函数C: 不同的同义词子表结合在一起D: 散列表“溢出”正确答案:(单选题)5: 将一个 A [1..100, 1..100] 的三对角矩阵,按行优先次序存入一维数组B[1..298] 中,A中元素A [66, 65] 在数组B中的位置K为 () 。

A: 193B: 195C: 197D: 199正确答案:(单选题)6: head指向的带表头结点的单链表为空的判定条件是 ( )。

A: head = = NULLB: head->next = = headC: head ! = NULLD: head->next = = NULL正确答案:(单选题)7: 有n个顶点的有向图的边数最多为 ()。

A: nB: n(n-1)C: n(n-1)/2D: 2n正确答案:(单选题)8: 对于3个结点a、b、c,可构成不同的二叉树的棵数为 ( )。

A: 24B: 28C: 30D: 32正确答案:(单选题)9: 设F是一个森林, B是由F变换得到的二叉树。

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(单选题)1: 经过(),目标程序可以不经过任何改动而装入物理内存单元。

A: 静态重定位B: 动态重定位C: 编译或汇编D: 存储扩充正确答案:(单选题)2: 用信号量S实现对系统中4台打印机的互斥使用,S.value的初值应设置为4,若S.value的当前值为-1,则表示S.L队列中有()个等待进程。

A: 4B: 3C: 1D: 2正确答案:(单选题)3: 处于后备状态的作业存放在()中。

A: 外存B: 内存C: A和BD: 扩展内存正确答案:(单选题)4: 虚拟内存的容量只受()的限制。

A: 物理内存的大小B: 磁盘空间的大小C: 数据存放的实际地址D: 计算机地址字长正确答案:(单选题)5: 静态连接是在()进行的,而动态链接是在装入某段程序时或调用某段程序时进行的,其中在调用某段程序时进行链接可以使得内存利用率最高。

A: 编译某段程序时B: 执行某段程序时C: 紧凑时D: 装入程序之前正确答案:(单选题)6: 一个进程被唤醒意味着()。

A: 该进程重新占有了CPUB: 进程状态变为就绪C: 它的优先权变为最大D: 其PCB移至就绪队列的队首正确答案:(单选题)7: 处理器有32位地址,则它的虚拟地址空间为()字节。

A: 2GBB: 4GBC: 100KBD: 640KB正确答案:(单选题)8: 下列关于数据签名的论述中正确的一条是()。

A: 简单的数字签名可通过下列方式进行:发送者利用接收者的公开密钥对明文进行加密,接收者利用自己的私有密钥对接收到的密文进行解密。

B: 简单的数字签名可通过下列方式进行:发送者利用自己的私有密钥对明文进行加密,接收者利用自己的私有密钥对接收到的密文进行解密。

C: 数字签名和数字证书可用来对签名者的身份进行确认,但无法让接收者验证接收到的住处在传输过程中是否被他人修改过。

D: 数字签名和数字证书可用来对签名者的身份进行确认,并且可以让接收者验证接收到的信息在传输过程中是否被他人修改过。

正确答案:(单选题)9: ()是指作业进入系统到作业完成所经过的时间间隔。

A: 响应时间B: 周转时间C: 运行时间D: 等待时间正确答案:(单选题)10: 由字符序列组成,文件内的信息不再划分结构,这是指()。

A: 流式文件B: 记录式文件C: 顺序文件D: 有序文件正确答案:(单选题)11: 请求分页存储管理中,若把页面尺寸增加一倍,在程序顺序执行时,则一般缺页中断次数会()。

A: 增加B: 减少C: 不变D: 可能增加也可能减少正确答案:(单选题)12: 打印机的I/O控制主要采取()方式。

A: 程序I/O方式B: 程序中断C: DMAD: SPOOLing正确答案:(单选题)13: 按照作业到达的先后次序调度作业,排队等待时间最长的作业被优先调度的算法称为()。

A: 先来先服务法B: 短作业优先法C: 时间片轮转法D: 优先级法正确答案:(单选题)14: 实现虚拟存储器最关键的技术是()。

A: 内存分配B: 置换算法C: 请求调页(段)D: 对换空间管理正确答案:(单选题)15: 在批处理系统中,周转时间是()。

A: 作业运行时间B: 作业等待时间和运行时间之和C: 作业的相对等待时间D: 作业被调度进入内存到运行完毕的时间正确答案:(单选题)16: ()存储管理支持多道程序设计,算法简单,但存储碎片多。

A: 段式B: 页式C: 固定分区D: 段页式正确答案:(单选题)17: 下列关于大、中型分时系统中的终端处理程序的论述中正确的一条是()。

A: 终端处理程序将从终端打入的字符直接送给用户程序。

B: 在现代大、中型机中,为了暂存用户从终端打入的字符,通常为每个终端设置一个可容纳几个字符的缓冲区。

C: 为了提高回送的显示速度,往往用硬件来实现,只是在要求回送速度不高的场合,才用软件来实现。

D: 在有的计算机中,从键盘送出的是键码,此时应采用某种转换机构,将键码转换为ASCII 码。

正确答案:(单选题)18: 操作系统中有一组常称为特殊系统调用的程序,它不能被系统中断,在操作系统中称为()。

A: 初始化程序B: 原语C: 子程序D: 控制模块正确答案:(单选题)19: 下列论述中错误的一条是()。

A: 虚拟盘是一种易失性存储器,因此它通常只用于存放临时文件。

B: 优化文件物理块的分布可显著地减少寻道时间,因此能有效地提高磁盘I/O的速度。

C: 延迟写可减少启动磁盘的次数,因此能等效地提高了磁盘I/O的速度。

D: 对随机访问的文件,可通过提前读提高对数据的访问速度。

正确答案:(单选题)20: 在单用户系统中可为()设置一张逻辑设备表。

A: 整个系统B: 每个用户(进程)C: 每种逻辑设备D: 每种物理设备正确答案:(判断题)21: 只有私有邮箱的拥有者才有权从中读取消息,其他进程则只能将自己构成的消息发送到该邮箱中。

A: 错误B: 正确正确答案:(判断题)22: 把在脱机情况下实现的同时外围操作称为SPOOLing。

A: 错误B: 正确正确答案:(判断题)23: 一般地,源程序文件属于无结构文件,也称为流式文件。

A: 错误B: 正确正确答案:(判断题)24: 虚拟设备是指允许用户程序不必全部装入内存就可使用系统中的设备。

A: 错误B: 正确正确答案:(判断题)25: 磁盘的寻道时间是指把磁臂移动到指定磁道上所经历的时间。

A: 错误B: 正确正确答案:(判断题)26: 访问矩阵中的行代表对象,列代表域,矩阵中的每一项是由一组访问权组成的。

A: 错误B: 正确正确答案:(判断题)27: DES加密算法属于对称加密算法。

A: 错误B: 正确正确答案:(判断题)28: 在文件存储空间管理方法中,成组链接法比较适合于大型文件系统。

A: 错误B: 正确正确答案:(判断题)29: 通常情况下,包过滤防火墙不记录和报告入侵包的情况。

A: 错误B: 正确正确答案:(判断题)30: 临界区是指进程中用于实现进程同步的那段代码。

A: 错误B: 正确正确答案:(判断题)31: 当计算进程需要输出时,从空缓冲队列的队首取得一个空缓冲区,作为收容输出工作缓冲区,当其中装满输出数据后,又将该缓冲区挂在输出队列末尾,这一过程称为“收容输出”。

A: 错误B: 正确正确答案:(判断题)32: 驱动程序与I/O设备的特性紧密相关,因此应为每一个I/O设备配备一个专门的驱动程序。

A: 错误B: 正确正确答案:(判断题)33: COCT是通道控制表的简称。

A: 错误B: 正确正确答案:(判断题)34: 竞争可同时共享的资源,不会导致系统进入死锁状态。

A: 错误B: 正确正确答案:(判断题)35: 最短作业优先调度算法能真正做到短作业优先调度。

A: 错误B: 正确正确答案:(判断题)36: 大多数的系统文件既允许用户调用,也允许用户去读和修改。

A: 错误B: 正确正确答案:(判断题)37: 一个进程的系统程序段在执行时,该进程处于系统态,也称为目态。

A: 错误B: 正确正确答案:(判断题)38: 相对路径是从根目录开始的路径。

A: 错误B: 正确正确答案:(判断题)39: 在端-端加密方式中,只要密钥没有泄漏,数据在传输过程中就不怕被窃取,也无须对网络中间结点的操作人员提出特殊要求。

A: 错误B: 正确正确答案:(判断题)40: 进程调度又称为低级调度、短程调度或接纳调度。

A: 错误B: 正确正确答案:(单选题)1: 经过(),目标程序可以不经过任何改动而装入物理内存单元。

A: 静态重定位B: 动态重定位C: 编译或汇编D: 存储扩充正确答案:(单选题)2: 用信号量S实现对系统中4台打印机的互斥使用,S.value的初值应设置为4,若S.value的当前值为-1,则表示S.L队列中有()个等待进程。

A: 4B: 3C: 1D: 2正确答案:(单选题)3: 处于后备状态的作业存放在()中。

A: 外存B: 内存C: A和BD: 扩展内存正确答案:(单选题)4: 虚拟内存的容量只受()的限制。

A: 物理内存的大小B: 磁盘空间的大小C: 数据存放的实际地址D: 计算机地址字长正确答案:(单选题)5: 静态连接是在()进行的,而动态链接是在装入某段程序时或调用某段程序时进行的,其中在调用某段程序时进行链接可以使得内存利用率最高。

A: 编译某段程序时B: 执行某段程序时C: 紧凑时D: 装入程序之前正确答案:(单选题)6: 一个进程被唤醒意味着()。

A: 该进程重新占有了CPUB: 进程状态变为就绪C: 它的优先权变为最大D: 其PCB移至就绪队列的队首正确答案:(单选题)7: 处理器有32位地址,则它的虚拟地址空间为()字节。

A: 2GBB: 4GBC: 100KBD: 640KB正确答案:(单选题)8: 下列关于数据签名的论述中正确的一条是()。

A: 简单的数字签名可通过下列方式进行:发送者利用接收者的公开密钥对明文进行加密,接收者利用自己的私有密钥对接收到的密文进行解密。

B: 简单的数字签名可通过下列方式进行:发送者利用自己的私有密钥对明文进行加密,接收者利用自己的私有密钥对接收到的密文进行解密。

C: 数字签名和数字证书可用来对签名者的身份进行确认,但无法让接收者验证接收到的住处在传输过程中是否被他人修改过。

D: 数字签名和数字证书可用来对签名者的身份进行确认,并且可以让接收者验证接收到的信息在传输过程中是否被他人修改过。

正确答案:(单选题)9: ()是指作业进入系统到作业完成所经过的时间间隔。

A: 响应时间B: 周转时间C: 运行时间D: 等待时间正确答案:(单选题)10: 由字符序列组成,文件内的信息不再划分结构,这是指()。

A: 流式文件B: 记录式文件C: 顺序文件D: 有序文件正确答案:(单选题)11: 请求分页存储管理中,若把页面尺寸增加一倍,在程序顺序执行时,则一般缺页中断次数会()。

A: 增加B: 减少C: 不变D: 可能增加也可能减少正确答案:(单选题)12: 打印机的I/O控制主要采取()方式。

A: 程序I/O方式B: 程序中断C: DMAD: SPOOLing正确答案:(单选题)13: 按照作业到达的先后次序调度作业,排队等待时间最长的作业被优先调度的算法称为()。

A: 先来先服务法B: 短作业优先法C: 时间片轮转法D: 优先级法正确答案:(单选题)14: 实现虚拟存储器最关键的技术是()。

A: 内存分配B: 置换算法C: 请求调页(段)D: 对换空间管理正确答案:(单选题)15: 在批处理系统中,周转时间是()。

A: 作业运行时间B: 作业等待时间和运行时间之和C: 作业的相对等待时间D: 作业被调度进入内存到运行完毕的时间正确答案:(单选题)16: ()存储管理支持多道程序设计,算法简单,但存储碎片多。

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