五套模拟的题目及详解
【附5套中考模拟试卷】河南省安阳市2019-2020学年中考数学模拟试题(2)含解析
B．线段DB绕点D顺时针旋转一定能与线段DI熏合
C．∠CAD绕点A顺时针旋转一定能与∠DAB重合
D．线段ID绕点I顺时针旋转一定能与线段IB重合
10．如图，在矩形ABCD中，E是AD上一点，沿CE折叠△CDE，点D恰好落在AC的中点F处，若CD＝ ，则△ACE的面积为（ ）
2．下列计算错误的是（ ）
A．4x3•2x2=8x5B．a4﹣a3=a
C．（﹣x2）5=﹣x10D．（a﹣b）2=a2﹣2ab+b2
3．下列各图中a、b、c为三角形的边长，则甲、乙、丙三个三角形和左侧△ABC全等的是（ ）
A．甲和乙B．乙和丙C．甲和丙D．只有丙
4．如图，已知▱ABCD中，E是边AD的中点，BE交对角线AC于点F，那么S△AFE：S四边形FCDE为( )
A．1B． C．2D．2
11．如图，在△ABC中，AC=BC，∠ACB=90°，点D在BC上，BD=3，DC=1，点P是AB上的动点，则PC+PD的最小值为（ ）
A．4B．5C．6D．7
12．如图，△ABC中，∠B＝70°，则∠BAC＝30°，将△ABC绕点C顺时针旋转得A．1：3B．1：4C．1：5D．1：6
5．某校40名学生参加科普知识竞赛（竞赛分数都是整数），竞赛成绩的频数分布直方图如图所示，成绩的中位数落在（）
A．50.5～60.5分B．60.5～70.5分C．70.5～80.5分D．80.5～90.5分
6．小文同学统计了某栋居民楼中全体居民每周使用手机支付的次数，并绘制了直方图．根据图中信息，下列说法：
A． B． C． D．
18．如图，在正方形ABCD中，等边三角形AEF的顶点E，F分别在边BC和CD上，则∠AEB＝__________.
项目质量管理模拟试题五套
项目质量管理模拟题一学号姓名得分一、填空题（每题1分，共20分）1项目范围是对项目界限的陈述，项目范围包括（产品范围）和工作范围。
2（质量方针）由组织的最高管理者正式发布的该组织总的质量宗旨和方向。
3项目范围定义的结果包括项目工作分解结构和（项目工作分解结构字典）。
4项目工作分解结构是客户和项目组织对项目范围的共同理解。
处于项目最低层次的要素被称为（工作包），是详细的，不须要再分解的任务。
5项目范围核实是利益相关主体进行的项目范围确认和（项目范围验收）工作。
6项目（质量策划）是项目质量管理的首要环节。
明确项目范围和项目质量目标，才有后续保证、限制、改进标准。
7量化分析顾客需求及项目设计的关系度，经过数据分析处理找出对于顾客需求具有最大贡献率的关键设计或质量特征的方法称为（项目质量屋）。
8朱兰将（质量成本）定义为：为保证和提高质量而支付的一切费用，以及因未得到既定质量水平而造成的一切损失之和。
9质量保证工作中，供应信任的依据是（质量体系）的建立和运行，其缘由就在于它具有持续稳定地满足规定质量要求的实力。
10（过程）是一组将输入转化为输出的相互关联或相互作用的活动。
11为了保证审核的公正性，现场审核中要贯彻（回避原则），及受审方有利益牵连者，一律不得参及审核活动。
12在进行限制时，（反馈限制）的依据是被控变量及给定值的偏差，检测的信号是被控变量，限制作用发生时间是在偏差出现以后。
13影响项目实施阶段的要素可以概括为4M1E，包括人，材料，机械设备，（方法），环境等5个方面。
14选择质量改进对象时、要留意质量改进的目标对象应及项目组织（总经营目标）相统一。
15可以用仪器测量的连续型数据。
如长度、密度、温度、质量等，属于（计量值数据）。
16将总体按某一标记排序，然后按肯定的间隔抽取样本的抽样方式是（系统抽样）。
17在生产过程中短时间内有异样因素起作用，使加工条件发生改变，如原材料混杂、操作疏忽或短时间内有不娴熟工人替班等。
2022年小学语文新课程标准模拟测试题及参考答案(共五套)
小学语文新课程标准模拟测试题及答案（一）一、填空。
（每空2分，共30分）1.语言文字是最重要的交际工具和信息载体，是人类文化的重要组成部分。
（工具性）与（人文性）的统一，是语文课程的基本特点。
2.语文课程评价要注意（识字与写字）、阅读、（写作）、口语交际和（综合性学习）五个方面的有机联系，注意（知识与能力）、过程与方法、（情感态度价值观）的相互交融。
3.小语新课标第一学段要求学生认识汉字1600个左右，其中（800 ）个左右要求会写；第二学段要求累计认识常用汉字（2500 ）个左右，其中1600个左右会写；第三学段要求学生有较强的独立识字能力，累计认识常用汉字3000个左右，其中(2500 )个左右会写。
4.初步学会默读，做到不出声不指读。
5至6年级要求学生默读有一定的速度，默读一般读物每分钟不少于（300 ）字。
在阅读中了解文章的（表达顺序），体会作者的（思想感情），初步领悟文章基本表达方法。
背诵优秀诗文（60 ）篇。
扩展自己的阅读面，课外阅读总量不少于（100 ）万字。
二、选择。
（每小题2分，共10分）1.评价是为了促进学生的全面发展，发展性评价的核心是（C ）A、关注学生的学业成绩B、关注学生在群体中的位置B、关注和促进学生的发展D、帮助学生认识自我，建立自信2.教育的中心和灵魂在（A ）A、学生B、学校C、教师D、校长3.（B）是我们实施素质教育的核心点，也是我们本次新课程改革的主要目标。
A、探究精神和合作能力；B、创新精神和实践能力；C、自主意识和探究精神；D、合作能力和创新精神；4.新课标学段阅读目标要求中的第7条：学习略读，粗知文章大意，是哪个学段提出的：（B ）A、第一学段B、第二学段C、第三学段D、第四学段5.各个学段的阅读教学都要重视：（AD）（多选题）A、朗读B、分角色读C、表演读D、默读三、名词解释。
（每小题5分，共10分）1.语文素养：语文素养是一种以语文能力为核心的综合素养，语文素养的要素包括语文知识、语言积累、语文能力、语文学习方法和习惯，以及思维能力、人文素养等。
2019六西格玛黑带模拟测试题含答案(五套试题)
六西格玛黑带模拟测试题及答案(一)单选题（共84题，每题1分）1、题目：2、题目：某制造企业需求一零件，规格要求为100±3cm，在选择供应商时发现：供应商A提供的零件近似服从正态分布N（100,1），供应商B提供的零件近似服从均匀分布U（97,103）；供应商A、B提供产品的价格相同，同时，该企业非常关注质量损失。
以下哪种说法是正确的？A.从理论上讲，A零件的合格率是99.73%，供应商B提供100%合格品，因此应选择B作为供应商B.从供应商提供产品的分布看，均值相同，选择供应商A或B一样C.A质量损失更低一些，应选择A作为供应商D.根据上述信息无法做出判断3、题目：某轴类加工过程中已知对直径的公差要求为10±0.02mm，假设直径服从正态分布，对该过程进行过程能力分析发现Cp=1.0，Cpk=Cpu=0.8，因此可以判断，该过程分布中心是：A.10.001mmB.10.002mmC.10.004mmD.10.006mm4、题目：黑带小金研究的课题是关于绝缘浇铸件的表面质量问题，在收集数据进行分析之前对现有的测量系统进行分析，以确认测量系统是否可以信赖。
为此，小金设计了MSA方案：取两名测量员，30个被测工件，每人对每个铸件重复测量两次，测量方法是在强光的照射下，目测是否有划痕、磕碰等，判断结果为合格与不合格。
请问在抽取被测工件时按以下哪种方案最为合适？A.用简单随机抽样的方法，从实际生产中随机选取30个样本B.按照日常生产的产品的实际合格率分别抽取合格品和不合格品选取30个样本C.尽可能按照1:1的比例抽取总数为30的合格品和不合格品，不合格品尽可能包括日常出现的缺陷类别D.从最近一个月生产的产品中连续抽取30个样本5、题目：选择项目CTQ（critical to quality）是一项重要的工作，关于如何选择CTQ，下列描述不正确的是：A.CTQ一定是计量型数据B.CTQ一定与顾客需求或企业关键业务指标相关C.当CTQ本身不可测或很难测量时，可以采用待用测量指标D.当CTQ数量较多时，可以采用排列图或质量成本分析确定最重要的CTQ6、题目：冷轧厂的原料是热轧卷，热轧卷用汽车从热轧卷车间运输到冷轧厂，如果对该流程进行增殖性分析，试问，汽车运输热轧卷的过程是否为顾客增值过程？A.增值活动，因为运输本身创造价值B.增值活动，因为运输是必不可少的过程C.非增值活动，应该尽量缩短或消除D.无法确定7、题目：某项目团队在测量阶段要测量其项目指标“温度”的过程能力，收集温度数据时每半小时测量一次，每次测得1个数据，共收集30个数据，过程稳定且数据服从正态分布，采用MINITAB计算得出，Cp=1.3，Pp=0.4，根据这一结果，下列哪个推断可能是正确的？A.过程独立性有问题存在，过程数据存在自相关性B.过程分布中心和公差中心存在较大偏移C.Pp数据不可行，Cp数据是可信的D.以上判断都不对8、题目：对同一个测量对象重复进行测量，不同测量者进行测量时测量结果的差异一般被称为：A.测量系统的稳定B.测量系统的重复性C.测量系统的再现性D.测量系统的线性9、题目：测量产品的特性指标时，不同的产品读数会有差异，造成此差异的原因是：A.产品间真实的差异B.由所使用量具造成的测量系统误差C.测量人员的水平不同D.产品间真实的差异与由所使用量具造成的测量系统误差的综合影响10、题目：实施六西格玛管理最重要的目的在于：A.培养一批黑带，使他们成为统计学专家B.使企业的所有绩效指标都达到六西格玛质量水平C.建立超越ISO9000的质量管理体系D.变革企业文化，成为持续改进的组织11、题目：12、题目：某黑带项目团队在测量阶段计算计量型数据的过程能力指数时，发现数据是非正态数据，而且过程本身稳定，无异常值。
模拟试题五套--制图基础
制图基础模拟试卷（一）一、单项选择题（每题2分，共20分）1. 细点画线和双点画线的首末两端应是（）A．点 B．箭头 C．双点 D．线2. 正等轴测图中，为了作图方便，轴向伸缩系数一般取（）A．1 B．2 C．3 D．0.863. 已知点A（10，18，20），点B（0，15，10），点C（0，0，15），下列说法正确的是（）A．点B在V面上 B．直线AB是水平线C．直线BC是侧垂线 D．平面ABC是一般位置平面4. 已知立体的主、俯视图，选择正确的左视图（）(a)(b)(c)(d)5. 两等径的圆柱轴线正交相贯，其相贯线是（）A．直线 B．椭圆 C．圆 D．圆弧6. 下列关于公差的叙述中正确的是（）A．公差=最大极限尺寸—基本尺寸 B．公差=最小极限尺寸—基本尺寸C．公差=上偏差—下偏差 D．公差=最大极限尺寸—上偏差7．下列不是轮盘类零件的是（）A．变速箱 B．端盖 C．手轮 D．法兰盘8. 选出正确的主视图（）9. 已知立体的主、俯视图，选择正确的左视图（）(a)(b)(c)(d)10. 下列局部视图正确的是（）A(a)(b)(c)(d)二、多项选择题（每题3分，共15分）1. 下列比例属于缩小比例的是（）A．1:1 B．1:2 C．2:1 D．1:5 E．1:1.52. 下列说法错误的是（）A．在三视图中，尺寸应尽量注在反映基本形体形状特征的视图上，而圆的直径一般注在投影为非圆的视图上。
B．根据点在球体上的位置，利用辅助直线法作图完成所求点的投影。
C．三个轴测轴的伸缩比例都相等的称为“等侧”，两个相等的称为“二测”。
D．圆锥面可以看作是由直母线绕与它平行的轴线旋转而成。
E．由于六棱柱的表面都处在特殊位置，所以棱柱表面上点的投影均可用平面投影的积聚性来做图。
3. 通常选用组合体的基准有（）A. 组合体的底面B. 断面C. 对称中心线D. 对称面E. 轴心线4．相邻两零件的剖面线（）A. 方向相同 B. 方向相反 C. 间隔不同D. 间隔相同E. 方向和间隔一致5. 主视图的选用原则有（）A．方向一致原则 B．形状特征原则 C．加工位置原则D．投影原则 E．工作位置原则三、判断题（每题3分，共15分）（）1. 绘图时，画细线和底稿建议用“H”或“HB”的，画粗实线或加深轮廓线用“2B”或“H”的为宜。
2019初中化学新课程标准理论测试模拟试题及答案(五套)
2019初中化学新课程标准理论测试模拟试题（一）简答题1.《全日制义务教育化学课程标准(实验稿)》对目标要求的描述所用的词语分别指向哪些目标？答案：认知性学习目标、技能性学习目标和体验性学习目标。
2. 科学探究涉及哪些要素？答案：提出问题、猜想与假设、制定计划、进行实验、收集证据、解释与结论、反思与评价、表达与交流等要素。
3. 物质的化学变化这一主题主要包括哪些内容？答案：包括：化学变化的特征、化学反应的类型、化学反应中的能量变化以及质量守恒定律和化学反应的表示方法等内容。
4.化学教学中比较常见的探究活动形式有哪两种？答案：一是进行适合学生的探究性实验。
二是调查、辩论等活动。
5.在制定教学目标以及实施教学时，要全面考虑哪些方面的课程目标？答案：“知识与技能”“过程与方法”“情感态度与价值观”6、义务教育阶段化学课程中的科学探究涉及哪些要素？本《初中化学新课程标准》对科学探究主题的内容和学习目标从哪三个方面提出具体要求？答：要素：提出问题、猜想与假设、制定计划、进行实验、收集证据、解释与结论、反思与评价、表达与交流等要素。
三方面具体要求：增进对科学探究的理解、发展科学探究能力、学习基本的实验技能7、化学研究的内容？答: 化学是自然科学的重要组成部分，它侧重于研究物质的组成、结构和性能的关系，以及物质转化的规律和调控手段。
8、作为科学教育的重要组成部分，新的化学课程应该起什么作用？答：倡导从学生和社会发展的需要出发，发挥学科自身的优势，将科学探究作为课程改革的突破口，激发学生的主动性和创新意识，促使学生积极主动地学习，使获得化学知识和技能的过程也成为理解化学、进行科学探究、联系社会生活实际和形成科学价值观的过程。
9、《全日制义务教育化学课程标准(实验稿)》(以下简称《标准》)包括哪些部分？答：包括前言、课程目标、内容标准和实施建议四个部分。
10、《标准》确立了化学课程改革的重点是什么？答：以提高学生的科学素养为主旨；重视科学、技术与社会的相互联系；倡导以科学探究为主的多样化的学习方式；强化评价的诊断、激励与发展功能。
大学英语三级全真模拟听力试题(共五套)及答案
大学英语三级全真模拟听力试题（一）Test OneP art I: Listening Comprehension (15%)Section ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversationand the question will be spoken only once. After each question there will be apause. During the pause, you must choose the best answer from the four choicesmarked A), B), C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Example: You will hear: Where do you think the conversation most provably took place?You will read:A) At the office.B) In the waiting room.C) At the airport.D) In a restaurant.From the conversation we know that the two were talking about some work they had to finish in the evening. This is most likely to have taken place at the office. Therefore, A) “At the office” is the best answer. You should choose [A] on the Answer Sheet and mark it with a single line through the center.Sample Answer [A] [B] [C] [D]1. A) Fixing an engine. B) Repairing a car.C) Cashing a check. D) Buying some wheels.2. A) Visit Japan. B) Cook some food.C) Travel abroad. D) Eat out.3. A) One of a cheaper price. B) One of a different color.C) One of a fashionable style. D) One of a smaller size.4. A) He has changed his plan. B) He has canceled his trip.C) He is arriving this afternoon. D) He forgot to arrange his trip.5. A) They had lost their way. B) They were told it would rain.C) They were caught in the rain. D) They had taken an umbrella.6. A) They will take the bus at 11 o’clock.B) The bus is late.C) The bus has already arrived.D) The woman thought the bus would arrive at 11:20.7. A) The man shouldn’t drink either.B) Drinking is better than smoking.C) The man should switch to drinking.D) The man could smoke a little.8. A) In a bookstore.B) At a museumC) At a zoo.D) On a college campus.9. A) Teacher and student.B) Shop assistant and customer.C) Tourist and travel agent.D) Husband and wife.10. A) She will stop to take a rest.B) She will work for three hours.C) She will have her back checked.D) She will buy a computer in three hours.Section BDirections: In this section, you will hear a short passage. At the end of the passage, you will hear two questions. Both the passage and the questions will be spoken twice. Afteryou hear a question, you must choose the best answer from the four choicesmarked A),B),C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Questions 11 to 12 are based on the passage you have just heard.11. A. There are only 23 hours in a dayB. There are 8 days in a weekC. There are one more hour in a dayD. All of the above12. A. Set one hour ahead in each new time zone.B. Set one hour ahead for the whole trip.C. Set one full day back for the whole trip.D. Set 12 hours back.Section CDirections: In this section, you will hear a passage three times. Listen during the first reading.Then listen to carefully the passage again. When it is being read the second time,you should fill in the six blanks numbered form S1 to S6 with the exact words orphrases you have just heard. Finally, when the passage is read for the third time,you should check what you have written.Information has always been at the center of human communication. You may ask why. Well, communication between people involves giving and receiving information. The way we give and receive information today has S1____________ a revolution in the development of the mass media in the 20th century.The first truly mass communication medium was the newspaper. For the first time in history, people could read about S2____________ in their country and from around the world every day. However, there were two problems with newspapers of that time. S3____________, newspapers were available only in large cities, for getting newspapers to the countryside was a difficult and time-consuming task. Secondly, newspapers weren't always S4____________, as there was a limited range of opinions.Nowadays, we can S5____________ from a wide variety of sources to get information. Television and the Internet have given us the chance to be informed about everything theS6_____________ it happens. Numerous radio and TV stations, satellite channels and millions of websites help people keep up with the latest news. People live history and are part of it.大学英语三级全真模拟听力试题（二）Test TwoSection ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversationand the question will be spoken only once. After each question there will be apause. During the pause, you must choose the best answer from the four choicesmarked A), B), C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Example: You will hear: Where do you think the conversation most provably took place?You will read:A) At the office.B) In the waiting room.C) At the airport.D) In a restaurant.From the conversation we know that the two were talking about some work they had to finish in the evening. This is most likely to have taken place at the office. Therefore, A) “At the office” is the best answer. You should ch oose [A] on the Answer Sheet and mark it with a single line through the center.Sample Answer [A] [B] [C] [D]1. A) Carol. B) Jim.C) Paul. D) The woman.2. A) 11:00. B) 11:30.C) 12:00. D) 12:30.3. A) 5. B) 12.C) 14. D) 16.4. A) Go to the post office. B) Go down the street.C) Cross the street. D) Go to the cinema.5. A) Denis. B) John.C) Mary. D) The woman.6. A)To get more advice. B)To get more exercise.C)To get married. D)To get a job.7. A) Mr. Johnson will be busy tomorrow morning.B) Mr. Johnson will be busy tomorrow.C).Tomorrow afternoon will be fine.D) The man can meet Mr. Johnson the day after tomorrow.8. A) A dentist. B) Her teacher.C) Her brother. D) Her friends.9. A) He’s a receptionist. B) He’s a tour guide.C) He’s a shopkeeper. D) He’s an accountant.10. A) At a theater. B) In a waiting room.C) In a supermarket. D) In a restaurant.Section BDirections: In this section, you will hear a short passage. At the end of the passage, you will hear two questions. Both the passage and the questions will be spoken twice. Afteryou hear a question, you must choose the best answer from the four choicesmarked A),B),C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Questions 11 to 12 are based on the passage you have just heard.11. A) Teachers made children sit still for a long time.B) Children must learn and discover things themselves.C) Children had to repeat things till they could remember them.D) School is like a prison to some children.12. A) They haven’t learnt anything in school.B) Their teachers don’t allow them to work.C) Their parents don’t allow them to workD) The law does not allow them to work.Section CDirections:In this section, you will hear a passage three times. Listen during the first reading.Then listen to carefully the passage again. When it is being read the second time,you should fill in the six blanks numbered form S1 to S6 with the exact words orphrases you have just heard. Finally, when the passage is read for the third time,you should check what you have written.One way to think about time is to imagine a world without time. There could be no movement, because time and movement cannot be S1____________. A world without time could exist only as long as there were no changes. For time and change are linked. We know that time has passed when something changes.In the real world -- the world with time -- changes never stop. Some changes happen only once in a S2____________; others happen repeatedly. Humans always have notedS3____________ events that repeat themselves. When people began to count such events, they began to measure time.In early human history, the only changes that seemed to repeat themselves evenly were the movements of S4____________ in the sky. The most easily seen result of these movements was the difference between light and darkness.The sun rises in the eastern sky, S5____________ light. It moves across the sky and sinks in the west, causing darkness. The appearance and disappearance of the sun was even and unfailing. The periods of light and darkness it created were the first S6____________ periods of time. We have named each period of light and darkness -- one day.大学英语三级全真模拟听力试题（三）Test ThreeSection ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversationand the question will be spoken only once. After each question there will be apause. During the pause, you must choose the best answer from the four choicesmarked A), B), C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Example: You will hear: Where do you think the conversation most provably took place?You will read:A) At the office.B) In the waiting room.C) At the airport.D) In a restaurant.From the conversation we know that the two were talking about some work they had to finish in the evening. This is most likely to have taken place at the office. Therefore, A) “At the office” is the best answer. You sho uld choose [A] on the Answer Sheet and mark it with a single line through the center.Sample Answer [A] [B] [C] [D]1. A) A policewoman.B) A hotel clerk.C) A waitperson.D) A shop assistant.2. A) The lady bought the desk lamp when she was in Hong Kong.B) The lady bought the desk lamp in China last winter.C) The lady’s friend got it on the Internet for her.D) The lady’s friend bought it in China.3. A) He didn’t attend the lecture.B) He fell asleep on the train.C) He caught the early train to attend the lecture.D) The train broke down and he was late for the lecture.4. A) 08:00.B) 08:15.C) 08:30.D) 08:50.5. A) His car key.B) His overcoatC) The sofa.D) The table.6. A) The man can’t swim.B) The man can swim after he has done his homework.C) The man can’t swim because he doesn’t know the way.D) The man can swim if he knows the way.7. A) She does not work on rainy days.B) She goes to work by bicycle every day.C) She walks to work on rainy days.D) She always goes to work on foot.8. A) In a barbershop.B) In a supermarket.C) In a bank.D) In a restaurant.9. A) Husband and wife.B) Doctor and patient.C) Neighbors.D) Employer and employee.10. A) She planted trees.B) She saw the panda.C) She taught her roommates how to play Chinese chess.D) She learned to play Chinese chess.Section BDirections:In this section, you will hear a short passage. At the end of the passage, you will hear two questions. Both the passage and the questions will be spoken twice. Afteryou hear a question, you must choose the best answer from the four choicesmarked A),B),C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Questions 11 to 12 are based on the passage you have just heard.11. A) You must tell your new friend your telephone number at your first meeting.B) You shouldn’t talk about business on your first meeting with your new friend.C) It’s quite common to give information about y our family or your work.D)You don’t have the right to end the conversation.12. A) How to make new friendsB) The three parts of the first conversation with a new friend.C) The importance of talking with a stranger in EnglishD)How to maintain friendshipSection CDirections:In this section, you will hear a passage three times. Listen during the first reading.Then listen to carefully the passage again. When it is being read the second time,you should fill in the six blanks numbered form S1 to S6 with the exact words orphrases you have just heard. Finally, when the passage is read for the third time,you should check what you have written.Dreams are expressions of thoughts, feelings and events that pass through our mind while we are sleeping. People dream about one to two hours each night. We may have four to seven dreams in one night. Everybody dreams. But only some people S1____________ their dreams.The word "dream" comes from an old word in English that means "S2____________" and "music." Our dreams often include all the senses – smells, sounds, S3____________ , tastes and things we touch. We dream in S4____________. Sometimes we dream the same dream over and over again. These repeated dreams are often unpleasant. They may even be nightmares -- bad dreams that S5____________ us.Artists, writers and scientists sometimes say they get ideas from dreams. For example, the singer Paul McCartney of the Beatles said he awakened one day with the music for the song "Yesterday" in his head. The writer Mary Shelley said she had a very strong dream about ascientist using a machine to make a S6____________ come alive. When she awakened, she began to write her book about a scientist named Frankenstein who creates a frightening monster.大学英语三级全真模拟听力试题（四）Test FourSection ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversationand the question will be spoken only once. After each question there will be apause. During the pause, you must choose the best answer from the four choicesmarked A), B), C) and D.. Then mark the corresponding letter on the AnswerSheet with a single line through the center.Example: You will hear: Where do you think the conversation most provably took place?You will read:A) At the office.B) In the waiting room.C) At the airport.D) In a restaurant.From the conversation we know that the two were talking about some work they had to finish in the evening. This is most likely to have taken place at the office. Therefore, A) “At the office” is the best answer. You should choose [A] on the Answer Sheet and mark it with a single line through the center.Sample Answer [A] [B] [C] [D]1. A) Turn the PC off. B) Leave the house.C) Play badminton. D) Finish his computer program.2. A) Ping Pong balls. B) Golf balls.C) Basketballs. D) Footballs.3. A) Eating out. B) Buying birthday presents.C) Changing clothes. D) Having a rest.4. A) She wants to have a break. B) She wants to take some time off.C) She wants to leave on time. D) She wants to continue.5. A) He couldn’t see the performance clearly.B) He thought the performance was dull.C) He found the clock didn’t tell the right time.D) He didn’t arrive in time for theperformance.6. A) $47. B) $37.C) $26. D) $11.7. A) Teacher and student. B) Doctor and patient.C) Mother and son. D) Husband and wife.8. A) She is seldom absent. B) She is regularly absent.C) She misses her school days. D) She doesn’t like school at all.9. A) It’s warm.B) It’s cold.C) It’s sunny.D) It’s cloudy.10. A) It’s usually hard to borrow David’s car.B) David is often willing to lend money to others.C) David is willing to lend anything except his car to others.D) When someone borrows David’s car, they should pay him.Section BDirections: In this section, you will hear a short passage. At the end of the passage, you will hear two questions. Both the passage and the questions will be spoken twice. Afteryou hear a question, you must choose the best answer from the four choicesmarked A),B),C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Questions 11 to 12 are based on the passage you have just heard.11. A) She didn’t have enough money.B) She wanted to thank the doctor.C) She thought that a purse was a better present than money.D) Her son asked her to do that.12. A) 5 pounds.B) 50 pounds.C) 250 pounds.D) 500 pounds.Section CDirections: In this section, you will hear a passage three times. Listen during the first reading.Then listen to carefully the passage again. When it is being read the second time,you should fill in the six blanks numbered form S1 to S6 with the exact words orphrases you have just heard. Finally, when the passage is read for the third time,you should check what you have written.What would happen if you were the only person left who spoke your language? Who would you share stories with, sing songs to, or S1____________ jokes with? Who would understand your names for local plants, animals and traditions? This is the example David Harrison and Gregory Anderson use to explain the situation of many people around the world whose local languages are disappearing Mr. Harrison and Mr. Anderson head Living Tongues, an organization that studies and S2____________ endangered languages.Sometimes a language disappears S3____________ when the last person speaking it dies. Or, a local language might disappear more slowly. This happens when an official language is used more often and children stop learning the local language of their parents. This is not a new S4____________. Official languages often represent a form of control over a group of people.Throughout history, the language spoken by a powerful group S5____________ across a civilization. The more powerful culture S6____________ respects the language and culture of smaller ethnic groups. So, smaller cultures lose their local language as the language of the culture in power becomes the stronger influence.大学英语三级全真模拟听力试题（五）Test FiveSection ADirections: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversationand the question will be spoken only once. After each question there will be apause. During the pause, you must choose the best answer from the four choicesmarked A), B), C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Example: You will hear: Where do you think the conversation most provably took place?You will read:A) At the office.B) In the waiting room.C) At the airport.D) In a restaurant.From the conversation we know that the two were talking about some work they had to finish in the evening. This is most likely to have taken place at the office. Therefore, A) “At the office” is the best answer. You should choose [A] on the Answer Sheet and mark it with a single line through the center.Sample Answer [A] [B] [C] [D]1. A) 15. B) 25.C) 35. D) 45.2. A) The man can handle the task by himself.B) The woman reminds the man not to forget to ask Linda.C) Linda will probably refuse to help the man.D) The woman is quite willing to help the man.3. A) On a train. B) On a bus.C) On a plane. D) In a car.4. A) It was a short but very good speech. B) It was a long but humorous speech.C) It was too short. D) It was too long.5. A) His biscuits. B) His desk.C) The drawer. D) His pen.6. A) Monday. B) Tuesday.C) Wednesday. D) Thursday.7. A) Flower. B) Water.C) Sugar. D) Butter.8 A) The man’s lawyer.B) The man’s wife.C) The man’s teacher.D) The man’s boss.9. A) She did not have enough money for the trip. B) She did not have enough time for the tripC) She did not enjoy the trip. D) She hopes to take another trip soon.10. A) Employer and employee. B) Mother and son.C) Friends. D) Teacher and student.Section BDirections: In this section, you will hear a short passage. At the end of the passage, you will hear two questions. Both the passage and the questions will be spoken twice. Afteryou hear a question, you must choose the best answer from the four choicesmarked A),B),C) and D. Then mark the corresponding letter on the Answer Sheetwith a single line through the center.Questions 11 to 12 are based on the passage you have just heard.11. A) People only care about their own businessB) People are always ready to help each otherC) People live in very small areasD) People give help to others in order to get something in return.12. A) Life in cities and life in villages in the same country are almost the same.B) There are not many people in the streets in the center of London on Sundays.C) In large cities people seldom know what their neighbors have for lunch.D)In an English village everybody knows everybody else.Section CDirections:In this section, you will hear a passage three times. Listen during the first reading.Then listen to carefully the passage again. When it is being read the second time,you should fill in the six blanks numbered form S1 to S6 with the exact words orphrases you have just heard. Finally, when the passage is read for the third time,you should check what you have written.An estimated nine million people rock climb in the United States. Millions more take part in the activity around the world. Some do it just for S1____________satisfaction. OthersS2____________. Rock climbing can be dangerous. But there are many methods and protective devices that can increase a climber's safety.Climbing takes strength, control and good S3____________. Climbers have to pull themselves S4____________ up the face of very high rocks or walls. So they have to be strong enough to carry their own weight. And climbers sometimes have to hold on to rocks by only their fingers or toes.There are several kinds of rock climbing. Traditional rock climbing is done outside. Climbers wear ropes and attach devices to the rocks as they climb many hundreds of meters up. They also connect their ropes to the devices. If a climber slips, a rope can stop him fromS5____________.Sport climbing is similar. However, in those cases the protective devices are permanently placed in the rock. There is also S6____________ climbing. Rock walls made of wood or concrete have places for the climber's hands and feet.答案：一BDBAC BACDA DA experienced events Firstly reliable choose minute二CADAC BBADD BD separated while natural objects producing accepted三BCABA ACDAC CB remember joy sights color frighten creature四ABADB CCABA BC exchange protects immediately process spreads rarely 五ACCBD AABCD BA personal compete balance straight falling indoor11。
人教版2023年高考地理第一次模拟考试卷及答案(含五套题)
○………………内………………○………………装………………○………………订………………○………………线………………○………………○………………外………………○………………装………………○………………订………………○………………线………………○………………学校：______________姓名：_____________班级：_______________考号：______________________人教版2023年高考地理第一次模拟考试卷高三 地理（满分：100分 时间：90分钟）题号 一 二 总分 分数第Ⅰ卷一、单项选择题（本题共16小题，每小题3分，共48分，在每小题给出的四个选项中，只有一个选项符合题意）：月球自转与其绕地球公转的周期相同，均为27.32日，因此在地球上只能看见月球正面，看不见月球背面（如下图所示）。
2019年1月3日，嫦娥四号探测器成功实现了人类首次月球背面软着陆。
据此完成下列各题。
1．嫦娥四号探测器在月球上经历的一个昼长约为（ ） A ．12小时 B ．24小时 C ．14天D ．27.32天2．嫦娥四号探测器登陆月球背面后，在1月4-10日进入休眠状态，是因为正值（ ） A ．夜间 B ．白昼 C ．低温期D ．高温期3．1月份，嫦娥四号探测器测得月面最低温度为-190℃，此时最可能是（ ） A ．6日前后 B ．12日前后 C ．20日前后D ．28日前后下左图为不同地点的两个摄影师同时拍摄到太阳正处在地平线上的景观（不考虑天气、地形等因素），且拍摄者均朝正南方向，下右图为太阳视运动轨迹线示意图。
完成下列小题。
4．关于两地的说法正确的是（ ） A ．该日两地均昼长夜短B ．两地恰关于地心对称C ．两地正午时刻杆影均朝向正北D ．两地纬度范围是 23.5°~66.5° 5．若一地位于拉普兰地区（69°N ，24°E ），则该地夏至日的太阳视运动轨迹为右图中的（ ） A ．①B ．②C ．③D ．④干旱地区的土壤受蒸发影响，湿度一般由表层向深层增加，但在特定情况下，可能会出现浅层土壤湿度大于深层土壤的现象，这就是逆○………………内………………○………………装………………○………………订………………○………………线………………○完成下面小题。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
模拟卷一及答案一、选择题1. 测定100克生物样品中氮含量是2克，该样品中蛋白质含量大约为：A. 6.25%B. 12.5%C. 1%D. 2%E. 20% 2．Km值是指：A．v等于1/2 Vmax时的底物浓度B．v等于1/2 Vmax时的酶浓度C．v等于1/2 Vmax时的温度D．v等于1/2 Vmax时的抑制剂浓度E．降低反应速度一半时的底物浓度3. NADH氧化呼吸链的组成部份不包括：A．NAD+B．CoQ C．FAD D．Fe-S E．Cyt4．各种细胞色素在呼吸链中传递电子的顺序是：A．a → a3→ b → C1→1/2 O2B．b →C1→C →a →a3→1/2 O2C．a1→b →c →a →a3→1/2 O2D．a → a3→ b → c1→ a3→1/2 O2E．c →c1→b →aa3→1/2 O25．主要发生在线粒体中的代谢途径是：A．糖酵解途径B．三羧酸循环C．磷酸戊糖途径D．脂肪酸合成E．乳酸循环6．糖原分解所得到的初产物是：A．UDPG B．葡萄糖C．1-磷酸葡萄糖D．1-磷酸葡萄糖和葡萄糖E．6-磷酸葡萄糖7．磷酸戊糖途径：A．是体内CO2的主要来源B．可生成NADPH直接通过呼吸链产生ATPC．可生成NADPH，供还原性合成代谢需要D．是体内生成糖醛酸的途径8. 血浆脂蛋白中胆固醇含量最多的是：A. CMB. VLDLC. IDLD. LDLE.HDL9. 下列哪种酶不参与脂肪酸的β-氧化：A. 脂肪酰CoA合成酶B. 脂肪酰CoA脱氢酶C. 肉碱脂酰转移酶D. 琥珀酰CoA转硫酶E. Δ2烯酰水化酶10. 不能转变成乙酰CoA的物质是：A. β-羟丁酸B. 脂肪酸C. 乙酰乙酸D. 胆固醇E. 甘油11. 胆固醇生物合成的限速酶是：A. 硫解酶B. HMGCoA合成酶C. HMGCoA还原酶D. HMGCoA裂解酶E. 以上都不是12．急性肝炎时血清中哪些酶的活性可见升高：A．LDH1、ALT（GPT）B．LDH5 、ALT（GPT）C．LDH1 、AST（GOT）D．LDH5 、AST（GOT）E．CK 13．精胺是哪种氨基酸脱羧基作用的产物：A．His B．TyrC．Phe D．Met E．Arg14．静脉输入谷氨酸钠能治疗：A．白血病B．高血氨C．高血钾D．再生障碍性贫血E．放射病15. 对Watson-Crick DNA模型的叙述正确的是：A．DNA为单股螺旋结构B．DNA两条链的走向相反C．只在A与G之间形成氢键D．碱基间形成共价键E．磷酸戊糖骨架位于DNA螺旋内部16. 单链DNA：5＇-pCpGpGpTpA-3＇能与下列哪种RNA单链分子进行分子杂交：A．5＇-pGpCpCpTpA-3＇B．5＇-pGpCpCpApU-3＇C．5＇-pUpApCpCpG-3＇D．5＇-pTpApGpGpC-3＇E．5＇-pTpUpCpCpG-3＇17. 胸腺嘧啶的甲基来自：A．N lO-CHOFH4 B．N5，N lO＝CH-FH4 C．N5，N lO-CH2-FH4D．N5-CH3FH4E．N5-CH＝NHFH418. 能抑制RNA聚合酶活性的是：A. 四环素B. 利福霉素C. 氯霉素D. 丝裂霉素E. 干扰素19. 原核生物DNA复制需多种酶参与：①DNA聚合酶Ⅲ；②DNA解旋酶；③DNA聚合酶Ⅰ；④引物酶；⑤DNA连接酶。
其作用顺序为：A. ①②③④⑤B. ②④①③⑤C. ②④⑤①③D. ①③②⑤④E. ⑤③②①④20. 氯霉素抑制细菌蛋白质生物合成的机制是：A. 与核糖体大亚基结合，抑制转肽酶活性B. 引起密码错读而干扰蛋白质的合成C. 活化蛋白激酶，使起始因子磷酸化而失活D. 与小亚基结合而抑制进位E. 通过影响转录来阻抑蛋白质的合成答案：1.B 2.A 3.C 4.B 5.B 6.C 7.C 8.D 9.A 10.D11.C 12.B 13.E 14.B 15.B 16.C 17.C 18.B 19.B 20.A二、填空题：1．在20种氨基酸中，酸性氨基酸有天冬氨酸和谷氨酸2种，具有羟基的氨基酸是丝氨酸和诺氨酸，能形成二硫键的氨基酸是半胱氨酸2．影响酶促反应速度的因素有酶浓度、底物浓度、反应温度、反应PH和激活剂与抑制剂3．一个碳原子数为18的脂肪酸在β-氧化中需经8 次β-氧化循环，生成9个乙酰CoA，8个FADH2和8 个NADH+H+。
三、名词解释：1．活性中心2．磷氧比（P/O）3．变构调节4．酮体四、简述题：1．比较糖酵解与糖有氧氧化有何不同？2．简述酮血症发病机制，为什么注射葡萄糖可以消除酮血症？3．写出机体内的尿素生成过程。
4．何谓竞争性抑制作用？应用竞争性抑制作用原理叙述磺胺类药物作用机制。
模拟卷二及答案一、单选题（40题, 每题1分, 共40分）1. 软脂酰CoA经过一次β氧化，其产物通过TCA循环和氧化磷酸化产生ATP的数目是多少？…………………………………………………………………………………………（D）(A) 5 (B) 9 (C) 12 (D) 172. 脂酰CoA的β氧化顺序是……………………………………………………………（C）(A) 脱氢，加水，再脱氢，加水(B) 脱氢，脱水，再脱氢，硫解(C) 脱氢，加水，再脱氢，硫解(D) 水合，脱氢，再加水，硫解3.×与脂肪酸的合成原料无直接关系的是…………………………………………（D）(A) 乙酰CoA (B) NADPH+ H+ (C) HCO3-(D) 丙酮酸4.×脂肪酸从头合成的限速酶是…………………………………………………………（B）(A) 酰基转移酶(B) 乙酰CoA羧化酶(C) 脂酰CoA合成酶(D) 苹果酸合酶5×. ACP分子结构中含有…………………………………………………………………（C）(A) 核黄素(B) 叶酸(C) 泛酸(D) 抗坏血酸6. mRNA的主要功能是…………………………………………………………………（C）(A) 染色体的重要成分(B) 携带氨基酸到核糖体中(C) 是蛋白质合成的模板(D) 与蛋白质组成核糖体7. Watson-Crick DNA双螺旋中，下列哪项是正确的碱基配对………………………（A）(A) 腺嘌呤、胸腺嘧啶(B) 腺嘌呤、尿嘧啶(C) 鸟嘌呤、胸腺嘧啶(D) 腺嘌呤、鸟嘌呤8. RNA的二级结构的特怔是……………………………………………………………………………（C）(A) B-型双螺旋(B) A-型双螺旋(C) 局部双螺旋(D) Z-型双螺旋9. 组成核酸的核苷酸之间彼此连接的化学键是…………………………………………………………（A）(A)磷酸二酯键(B)氢键(C) C-C键(D) 范德华力10. 如果物种甲的DNA的Tm值比物种乙的DNA的Tm值低，那么，物种甲和物种乙的DNA中AT含量的高低是……………………………………………………………………………………………(C )(A)甲＜乙(B)甲＝乙(C)甲＞乙(D)不能肯定11. 关于酶的描述，哪一项是正确的…………………………………………………………………………(B)(A) 所有的酶都含有辅基或辅酶(B) 大多数酶的化学本质是蛋白质(C) 酶能改变化学反应的平衡点从而加速反应的进行(D) 都具有立体异构专一性12. 同工酶是指………………………………………………………………………………………………(B)(A) 活性中心中的必需基团相同的一组酶(B) 功能相同而酶分子结构不同的一组酶(C) 功能和性质都相同的一组酶(D) 功能不同而酶分子结构相似的一组酶13. 关于酶活性中心的叙述，哪项不正确…………………………………………………………………(D)(A) 酶的活性中心包括结合部位和催化部位(B) 酶原激活实际上就是完整的活性中心形成的过程(C) 当底物分子与酶分子接触时，可引起酶活性中心构象改变(D) 多肽链一级结构上相邻的几个氨基酸残基相对集中，形成酶的活性中心14. 酶的K m值大小与下列哪一项有关……………………………………………………………………(C)(A) 酶浓度(B) 底物浓度(C) 酶性质(D) 以上均有关15. ×生物素是下列哪种化合物的辅基………………………………………………………………………(B)(A) CoA (B) BCCP (C) CAP (D) ACP16. 下列哪种化合物不含高能键…………………………………………………………………………（C）(A) 磷酸烯醇式丙酮酸(B) ADP (C) 6-磷酸葡萄糖(D) 乙酰辅酶A17. 下列化合物中哪一种是氧化磷酸化的解偶联剂……………………………………………………（A）(A) 2，4-二硝基苯酚(B) 寡酶素(C) 鱼藤酮(D) 抗霉素A18. 电子传递链中唯一的非蛋白质组分是………………………………………………………………（B）(A) 细胞色素(B) 泛醌(C) 复合物I (D) 复合物II19. 原核生物体内，一分子葡萄糖经彻底氧化分解，产生ATP分子数是……………………………（B）(A) 36 (B) 38 (C) 18 (D) 1920. 下列反应中哪一个伴随着底物水平磷酸化…………………………………………………………（C）(A) 葡萄糖→ 6-磷酸葡萄糖(B) 琥珀酸→延胡索酸(C) 1, 3-二磷酸甘油酸→ 3-磷酸甘油酸(D) 苹果酸→草酰乙酸21.×与密码子AUC相对应的反密码子是………………………………………………………………（C）(A) UAG (B) TAG (C) GAU (D) GAT22.×大肠杆菌细胞中，若以活化的氨基酸为原料，合成一段肽链fMet-Ser-Ala-Arg-Lys至少需要消耗几分子GTP？……………………………………………………………………………………………………（A）(A) 9 (B) 10 (C) 19 (D) 2023. ×转录时RNA的延伸方向及翻译时多肽链的延伸方向分别为………………………………………(B)(A) 3′→5′；N端→C端(B) 5′→3′；N端→C端;(C) 3′→5′；C端→N端(D) 5′→3′；C端→N端24. 属于蛋白质变性的是……………………………………………………………………………………（B）(A) 一级结构改变(B) 空间构象破坏(C) 分子量改变(D) 蛋白质水解25 蛋白质处于等电点时，蛋白质分子的………………………………………………………………（D）(A) 稳定性增加(B) 溶解度最大(C) 表面净电荷增加(D) 溶解度最小26 在寡聚蛋白质中，亚基间的立体排布、相互作用以及接触部位间的空间结构称之谓……………(C )(A) 二级结构(B) 三级结构(C) 四级结构(D) 变构现象二、名词解释(参考答案)1.密码子: 存在于mRNA能编码蛋白质中特定氨基酸的核苷酸三连体2.肉毒碱穿梭: 脂肪酸在β-氧化前先合成脂酰-CoA,此过程发生在胞质内,而β-氧化发生在线粒体内, 因此需要肉毒碱穿梭系统将胞质内的脂酰-CoA运输到线粒体内3.底物水平磷酸化: 底物氧化过程中将产生的能量直接用于ADP的磷酸化, 形成ATP4.减色效应: 在DNA复性过程中, 由于重新形成双螺旋结构, 导致A260的吸收值减少5.蛋白质一级结构: 指氨基酸残基的排列顺序6.半不连续复制: DNA复制中,先合成一条连续的先导链, 同时合成一条不连续的滞后链的方式三、问答题1. DNA双螺旋模型的要点与主要生物学意义?2. 简述三种RNA在蛋白质生物合成中的作用四、综合、计算题1.EMP途径、TCA循环的生物学意义各是什么？2.假定某一酶促反应符合米氏方程，请你: ①作出酶促反应速度与底物浓度关系示意图, 并注明K m値的正确位置；②如果底物浓度发生10% 变化时，测得的反应速度改变了1%, 请分别计算[S1]/ K m 和[S2]/ K m的比值。