中国地质大学远程教育学习指南(专升本)阶段性作业3

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中国地质大学机考地大机考远程教育学习指南答案

中国地质大学机考地大机考远程教育学习指南答案

总分: 100分考试时间:分钟单选题1. 中国地质大学(武汉)远程与继续教育学院对学生采用弹性学分制管理,高起专和专升本学制均为_____。

(10分)(A) 2.5-6年(B) 2.5-3年(C) 2.5-5年(D) 2-4年参考答案:C2. _____的学习者,最起码的信息化素养要求就是能够掌握计算机操作的基本技能,掌握基本的网络操作技能。

(10分)(A) 现代远程教育(B) 传统教育(C) 成人教育(D) 自考参考答案:A3. 课程学习完成,必须参加课程考核。

考试形式为_____。

(10分)(A) 开卷或撰写论文(B) 闭卷.开卷(C) 闭卷和撰写论文(D) 在线考试.开卷和考查参考答案:D4. 学生的必修课程总成绩平均在_____,已经办理免修的课程不计入在内。

方具有学士学位申请资格。

(10分)(A) 60 分以上(含60 分)(B) 65 分以上(含65 分)(C) 75 分以上(含75 分)(D) 70 分以上(含70 分)参考答案:C5. 以下属于媒体播放软件的是_____。

(10分)(A) Winzip(B) Mediaplay(C) Winrar(D) Netants参考答案:B6. 网络教育的特点之一是:学生的学习过程主要是在网络环境中进行的,比如在_ ____网上讨论.网上辅导等等。

(10分)(A) 网上做作业(B) 网上答疑(C) 网上自测(D) 以上全部参考答案:D7. 第一代远程教育是以_____为主要学习资源.以邮政传递收写作业和批改评价(函授辅导)为主要通信手段(主要技术特征)的函授教育。

(10分)(A) 电视媒体(B) 光盘(C) 网络媒体(D) 印刷教材参考答案:D8. 现代远程教育的特点决定了远程学习以学生_____为主。

(10分)(A) 上课(B) 学习(C) 自学(D) 上网参考答案:C9. 现代远程教育其主要技术特征是_____,即通过数字.多媒体等信息技术实现人机.人际的相互交流和交互作用,可以加强教师和学习都之间的双向交流,极大地促进学习者之间的个性化学习和协作学习。

概率论与数理统计阶段性作业31

概率论与数理统计阶段性作业31

中国地质大学(武汉)远程与继续教育学院概率论与数理统计 课程作业3(共 4 次作业)学习层次:专升本 涉及章节:第4章1.若随机变量X 的概率分布为求E (X )和D (X )。

2.某射手每次命中目标的概率为0.8,连续射击30次,求击中目标次数X 的期望和方差。

3. 设离散型随机变量X 仅取两个可能的值2121x x x x <,而且和, X 取1x 的概率为0.6, 又已知,24.0)(,4.1)(1==X D X E , 则X 的分布律为( )。

.0.40.6 (D) ,0.40.61 (C) ,0.40.621 (B) ,4.06.010 ⎪⎪⎭⎫ ⎝⎛⎪⎪⎭⎫ ⎝⎛+⎪⎪⎭⎫ ⎝⎛⎪⎪⎭⎫ ⎝⎛b an n A )(4.对于任意两个随机变量()()()X Y E XY E X E Y =、,若,则( )。

() ()()(). () ()()(). () . () .A D XY D X D YB D X Y D X D YC X YD X Y =+=+与独立与不独立5.若随机变量X 的分布律为求E (X )、E (X 2)、E (3X 2+5)。

6.盒中有3个白球和两个黑球,从中任取两球,求取到的白球数X 的期望。

7.设随机变量X 的分布密度为⎩⎨⎧≤>=-.0,,0;0,)(x x Axe x f x (1)求系数A ;(2)求随机变量X 落在区间)1,0(内的概率;(3)求随机变量X 的分布函数;(4)求随机变量X 的数学期望与方差。

8.设随机变量X 的概率密度为:⎪⎩⎪⎨⎧≤≤-<≤-+=其它 ,010 ,101 ,1)(x x x x x f ,求)(),(X D X E 。

9.若随机变量X 服从参数为θ1的指数分布,求E (X )和D (X ).10.设市场对某商品的需求量X (单位:吨)是一个服从[2,4]上的均匀分布的随机变量,每销售一吨商品可赚3万元,但若销售不出去,每吨浪费1万元,问应组织多少货源,才能取得最大收益?参考答案1.若随机变量X 的概率分布为求E (X )和D (X )。

中国地质大学土木工程专业秋季作业--建筑装饰工程(专升本)阶段性作业3答案doc资料

中国地质大学土木工程专业秋季作业--建筑装饰工程(专升本)阶段性作业3答案doc资料

建筑装饰工程(专升本)阶段性作业3答案单选题1. 在吊顶的时候,吊顶龙骨考虑日后下垂,主龙骨按具体设计起拱,一般起拱高度不得小于房间短向跨度的()。

(4分)(A) 1/1000(B) 3/1000(C) 5/1000(D) 7/1000参考答案:A2. 室内接缝一般用白水泥擦缝;室外接缝应用()水泥砂浆勾缝,先勾横缝再勾竖缝,缝深易凹进面砖2〜3mm,宜用方板平底缝。

完成后,用布或纱头擦净面砖。

必要时用浓度10%的稀盐酸刷洗,但必须随后用清水冲洗干净。

(4分)(A) 1:1(B) 1:2(C) 1:3(D) 1:4参考答案:C3. 涂刷时要按照蘸次要多、每次少蘸油、操作时勤,顺刷的要求,依照先()后______ 、先难后易、先 ____ 后______ 、先里后外的顺序和横刷竖顺的操作方法施工。

(4分)(A) 上下左右(B) 下上左右(C) 上下右左(D) 下上左右参考答案:B4. 灌浆一般采用1 : 3水泥砂浆,向板材背面与基体间的缝隙中徐徐注入。

灌浆易分层灌入,第一层灌入高度 <()mm,并应< 1/3板材高,灌时用小铁钎轻轻插捣,切忌猛捣猛灌。

(4分)(A) 50mm(B) 100mm(C) 150mm(D) 200mm参考答案:D5. 为避免这些缺陷,在铺贴前必须将花岗岩板的背面刷洗干净,然后刷上一层()的107胶水泥灰水进行封闭,待干凝后再铺贴。

(4分)(A) 1:1(B) 1:2(C) 1:3(D) 1:4参考答案:C6. 转角处理大多是用一条较厚的()的直角形金属板,与外墙板用螺栓连接固定牢固,或用建筑玻璃胶勾缝。

(4分)(A) 1.2mm(B) 1.3mm(C) 1.4mm(D) 1.5mm参考答案:D7. ( )的作用是承担其上面的全部荷载,它是楼地面的基体。

地面基层多为素土或加入石灰、碎砖的夯实土,楼层的基层一般是现浇或预制钢筋混凝土楼板。

(4分)(A) 面层(B) 垫层(C) 混层(D) 基层参考答案:C8. 水磨石的面层厚度为(),将按配合比拌和的水泥石子拌合物抹涂。

中国地质大学计算机应用基础阶段性作业3及答案

中国地质大学计算机应用基础阶段性作业3及答案

中国地质大学(武汉)远程与继续教育学院计算机应用基础课程作业3(共4 次作业)学习层次:专升本涉及章节:第4章一、选择题1.Excel中可以。

A. 进行运算B. 插入图片C. 改变字体D. 以上三者2.在Excel 2003的工作表中,第二行第二列单元格的绝对引用名是。

A. B2B. $B$2C. 2BD. $2$B3.在Excel 中,使用“编辑”菜单中的“清除”命令的功能是。

A.只能清除单元格中的内容B.只能清除单元格中的格式C.既清除单元格中的内容,也删除单元格的格式D.也能删除单元格4.中文Excel中不能提供的有效排序方法有。

A.按列排序列B.按关键字排序C.按文字颜色D.按行排序5.一个工作簿在默认情况下有工作表。

A. 3个B. 4个C. 5个D. 6个6.中文Excel 2003提供筛选方式有。

A.自动筛选和高级筛选B.自动筛选和自定义筛选C.自定义筛选和高级筛选D.高级筛选和自由筛选7.在Excel中,创建的图表和数据。

A.只能在同一个工作表中B.不能在同一个工作表中C.既可在同一个工作表中,也可在同一工作簿的不同工作表中D.只有当工作表在屏幕上有足够显示区域时,才可在同一工作表中8.在Excel中,将某一单元格内容为“星期一”拖放填充6个单元格,其内容为。

A.连续6个“星期一”B.连续6个空白C.星期二、星期三、星期四、星期五、星期六、星期日D.以上都不对9.在Excel 2003中的某个单元格中填入“=average(C2:E3)”的作用是。

A. 对2个单元格求和B.对2个单元格求平均值C. 对6个单元格求平均值D.对3个单元格求平均值10.在工作表中按照缺省的规定,单元格中的数值型数据在显示时。

A.靠右对齐B. 靠左对齐C. 居中对齐D. 不确定11.在工作表中按照缺省的规定,单元格中的字符型数据在显示时。

A.靠右对齐B. 靠左对齐C. 居中对齐D. 不确定12.在Excel中,下列所表示的单元格区域是正确。

建筑经济与管理(专升本)阶段性作业3(武汉地质大学远程教育)

建筑经济与管理(专升本)阶段性作业3(武汉地质大学远程教育)
(A)项目经理部应设置采购部门,制定采购管理制度、工作程序和采购计划。
(B)材料和设备的采购资料应真实、有效、完整,具有可追溯性。
(C)成品保护工作应由发包人负责。
(D)项目经理部应建立计量管理部门,配备计量人员。
参考答案:C
9.施工企业将某一产品成本综合指标分解为各个相互联系的原因因素,以确定引起指标变动的各个因素的影响程度的一种成本费用分析方法,称之为_____。(4分)
(C)及时合理处理索赔
(D)以国际惯例为依据
(E)加强索赔的前瞻性,有效避免过多索赔事件的发生
参考答案:A,B,C,E
16.由于业主设计变更,导致工程全场性停工一个月,则承包商可索赔的费用有_____。(5分)
(A)利润
(B)人工窝工费
(C)机械设备窝工费
(D)增加的工地管理费
(E)材料费
参考答案:B,C,D
(D)向发包人代表提供在施工现场办公的设施
(E)开通施工场地与城乡公共道路的通道
参考答案:A,B,E
13.在施工合同中,下列_____工作应由承包人完成。(5分)
(A)土地征用和拆迁
(B)临时用地、占道申报批准手续
(C)提供工程地质报告
(D)保护施工现场地下管道和临近建筑物及构筑物
(E)提供相应的工程进度计划及进度统计报表
(A)比较分析法
(B)因素分析法
(C)相对数分析法
(D)综合分析法
参考答案:B
10.在工程施工中,经工程师检验合格已经覆盖的工程,工程师重新检验不合格,由此发生的费用应当全部由承担。(4分)
(A)发包人
(B)工程师
(C)承包人
(D)监理单位
参考答案:C
多选题

地质大学远程与继续教育学院大学英语专升本阶段性作业修订稿

地质大学远程与继续教育学院大学英语专升本阶段性作业修订稿

地质大学远程与继续教育学院大学英语专升本阶段性作业集团文件发布号:(9816-UATWW-MWUB-WUNN-INNUL-DQQTY-中国地质大学远程与继续教育学院大学英语(专升本)阶段性作业3选词填空This is my timetable. I study at No.3 Middle School of Dongfang. From Monday to Friday I get up___(1)___ 6:30 a.m. Ihave___(2)___ at 7:00 and then I go to school. I don't like tobe late. Our classes___(3)___ at 8:30 a.m. We have four classes in the morning. I often have lunch at school with my classmates. In the afternoon, we have two classes. Classes are over at 3:30, and I get home at 4:00. But sometimes I don't___(4)___ schoolso early because I play basketball on the playground. I have supper at about 6:00. After supper I do my homework. I often watch TV, but sometimes I___(5)___ to do some reading and the story books are very interesting. I usually go to bed at about 10:00 p.m.(20分) (A) leave (B) at (C) need (D) breakfast (E) start参考答案:(1)B(2)D(3)E(4)A(5)CMany people would agree that stress is a major problem in modern life. It is certainly true that worry and quarrel can cause all kinds of illnesses,___(6)___ backache to severe headaches, or even more serious complaints such as high blood pressure. Many of us think___(7)___ stress as something that other people impose on us. We often complain about how otherpeople put us___(8)___ pressure. But we should try not to let such pressure affect us. We should not forget that we arelargely responsible for some of the stress ourselves. We sometimes take___(9)___ more work than our bodies and our minds can handle. We should learn to___(10)___ our limitations. We should be aware of which things are really important and which are not.(20分) (A) of (B) under (C) accept (D) from (E) on参考答案:(1)D(2)A(3)B(4)E(5)CModern zoos are very different from zoos that were built fifty years ago. At that time, zoos were places___(11)___ peoplecould go to see animals from many parts of the world. Theanimals lived in cages that were made___(12)___ concrete with iron bars, cages that were easy to keep clean. Unfortunatelyfor the animals, the cages were small and impossible to hide in. The zoo environment was anything but natural.___(13)___ the zoo keepers took good care of the animals and fed them well, manyof the animals did not thrive; they behaved in strange ways,and they often became ill. In modern zoos, people can seeanimals in more natural habitats. The animals are givenmore___(14)___ in large areas so that they can live more comfortably as they would in nature. Even the appearance ofzoos has changed. Trees and grass grow in the cages, andstreams of water flow___(15)___ the areas that animals livein.(20分) (A) of (B) Although (C) where (D) over (E) freedom参考答案:(1)C(2)A(3)B(4)E(5)DIn the eighteenth century, cities became larger and larger. People moved from the countryside and small towns tothe___(16)___ because there was more work for them to do in the cities. On Sundays and holidays, they liked to leave the cities and have a good time in the countryside. But notevery___(17)___ had a horse or a wagon(四轮马车). People needed a simpler means of transportation. Inventors in many countries tried to solve this problem. The first bicycle, which was very simple,___(18)___ in 1790. People called "the horse on wheel". Then in 1861, after many improvements being made, the bicycle became a practical___(19)___ of transportation. People liked bikes because they weren't as expensive as horses and didn't need to be fed. They could go anywhere and were easyto___(20)___ .(20分) (A) appeared (B) cities (C) family (D) means (E) ride参考答案:(1)B(2)C(3)A(4)D(5)EFire can help people in many ways. Fire can heatwater,___(21)___ your house, give light and cook food. But fire can burn things too. Nobody knows___(22)___ people began to usefire. One story from Australia tells about a man a very longtime ago. He went up to the sun by a rope and brought fire down. Today people know how to___(23)___ a fire with matches.Children sometimes like to play with them. But matches can bevery dangerous. Fire kills people every year. So you must be careful about matches. You should also learn to___(24)___ fires. Fires need oxygen. Without oxygen they die. There is oxygen inthe air. Cover a fire with water, sand, or in an emergency,with your coat or a blanket. This keeps the air___(25)___ afire and kills it. Be careful with fire, and it will help you. Be careless with fire, and it might hurt you.(20分) (A) make (B) warm (C) how (D) put out (E) from 参考答案:(1)B(2)C(3)A(4)D(5)E。

(精选)中国地质大学远程教育学习指南(专升本)阶段性作业4

(精选)中国地质大学远程教育学习指南(专升本)阶段性作业4

远程教育学习指南(专升本)阶段性作业4 单选题1. 通过浏览器进入学院首页,在登陆窗口,输入正确的_____,点击登陆后,将进入学生工作室。

(15分)(A) 用户名和密码(B) 用户名(C) 密码(D) 中文姓名参考答案:A2. 下面哪种学习方式不符合远程(网络)学习的发展趋势?_____(15分)(A) 移动学习(B) 碎片化学习(C) 社会化学习(D) 集中面授学习参考答案:D3. 应用软件在没有操作系统的情况下,可以运行吗?_____(14分)(A) 可以,应用软件能否运行,不依赖有没有操作系统。

(B) 不能,应用软件需要在操作系统的支持下运行。

(C) 要看应用软件的功能,功能强的可以不依赖操作系统,直接运行。

(D) 不能确定。

参考答案:B4. .作为网上人大的学生,顺利完成学业的必要条件是_____。

(14分)(A) 脱产以保证充裕的学习时间(B) 强有力的经济支持以获取更多的学习资源(C) 每天都和学院辅导教师保持联系(D) 具有自主学习能力及学习责任感参考答案:D5. 进入学生工作室,首先看到的是?_____(14分)(A) 我的课程(B) 课程讲解(C) 课程作业(D) 课程大纲参考答案:A6. 在进行网络课程学习过程中,从下列哪个栏目可以看到.听到授课教师的讲解?_____(14分)(A) 课程讲解(或课程学习)(B) 课程辅导(C) 背景资料(D) 课程大纲参考答案:B7. 下列哪项学习方法是进行网络学习的最佳组合?_____(14分)(A) 自学教材就可以(B) 教材+光盘课件(或下载的课程资源)+网络课程学习(C) 只学习光盘课件(或下载的课程资源)(D) 教材+光盘课件(或下载的课程资源)学习参考答案:B(注:专业文档是经验性极强的领域,无法思考和涵盖全面,素材和资料部分来自网络,供参考。

可复制、编制,期待你的好评与关注)。

中国地质大学远程与继续教育学院大学英语(专升本)阶段性作业3

中国地质大学远程与继续教育学院大学英语(专升本)阶段性作业3

中国地质大学远程与继续教育学院大学英语(专升本)阶段性作业3选词填空This is my timetable. I study at No.3 Middle School of Dongfang. From Monday to Friday I get up?___(1)___ ?6:30 a.m. I have___(2)___ ?at 7:00 and then I go to school. I don't like to be late. Our classes___(3)___ ?at 8:30 a.m. We have four classes in the morning. I often have lunch at school with my classmates. In the afternoon, we have two classes. Classes are over at 3:30, and I get home at 4:00. But sometimes I don't?___(4)___ ?school so early because I play basketball on the playground. I have supper at about 6:00. After supper I do my homework. I often watch TV, but sometimes I?___(5)___ to do some reading and the story books are very interesting. I usually go to bed at about 10:00 p.m.(20分) (A) leave (B) at (C) need (D) breakfast (E) start参考答案:(1)B(2)D(3)E(4)A(5)CMany people would agree that stress is a major problem in modern life. It is certainly true that worry and quarrel can cause all kinds of illnesses,?___(6)___ ?backache to severe headaches, or even more serious complaints such as high blood pressure. Many of us think?___(7)___ ?stress as something that other people impose on us. We often complain about how other people put us?___(8)___ ?pressure. But we should try not to let such pressure affect us. We should not forget that we are largely responsible for some of the stress ourselves. We sometimes take?___(9)___ ?more work than our bodies and our minds can handle. We should learn to?___(10)___ our limitations. We should be aware of which things are really important and which are not.(20分) (A) ?of (B) under (C) accept (D) from (E) on参考答案:(1)D(2)A(3)B(4)E(5)C ?Modern zoos are very different from zoos that were built fifty years ago. At that time, zoos were places?___(11)___ people could go to see animals from many parts of the world. The animals lived in cages that were made___(12)___ ?concrete with iron bars, cages that were easy to keep clean. Unfortunately for the animals, the cages were small and impossible to hide in. The zoo environment was anything but natural.?___(13)___ ?the zoo keepers took good care of the animals and fed them well, many of the animals did not thrive; they behaved in strange ways, and they often became ill. In modern zoos, people can see animals in more natural habitats. The animals are given more?___(14)___ ?in large areas so that they can live more comfortably as they would in nature. Even the appearance of zoos has changed. Trees and grass grow in the cages, and streams of water flow___(15)___ ?the areas that animals live in.(20分) (A) of (B) Although (C) where (D) over (E) freedom参考答案:(1)C(2)A(3)B(4)E(5)D?In the eighteenth century, cities became larger and larger. People moved from the countryside and small towns to the?___(16)___ ?because there was more work for them to do in the cities. On Sundays and holidays, they liked to leave the cities and have a good time in the countryside. But not every___(17)___ ?had a horse or a wagon(四轮马车). People needed a simpler means of transportation. Inventors in many countries tried to solve this problem. The first bicycle, which was verysimple,?___(18)___ ?in 1790. People called "the horse on wheel". Then in 1861, after many improvements being made, the bicycle became a practical?___(19)___ ?of transportation. People liked bikes because they weren't as expensive as horses and didn't need to be fed. They could go anywhere and were easy to?___(20)___ ?.(20分) (A) appeared (B) cities (C) family (D) means (E) ride参考答案:(1)B(2)C(3)A(4)D(5)EFire can help people in many ways. Fire can heat water,?___(21)___ ?your house, give light and cook food. But fire can burn things too. Nobody knows?___(22)___ ?people began to use fire. One story from Australia tells about a man a very long time ago. He went up to the sun by a rope and brought fire down. Today people know how to___(23)___ a fire with matches. Children sometimes like to play with them. But matches can be very dangerous. Fire kills people every year. So you must be careful about matches. You should also learn to?___(24)___ ?fires. Fires need oxygen. Without oxygen they die. There is oxygen in the air. Cover a fire with water, sand, or in an emergency, with your coat or a blanket. This keeps the air?___(25)___ ?a fire and kills it. Be careful with fire, and it will help you. Be careless with fire, and it might hurt you.(20分) (A) make (B) warm (C) how (D) put out (E) from 参考答案:(1)B(2)C(3)A(4)D(5)E。

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远程教育学习指南(专升本)阶段性作业3 单选题
1. 中国地质大学(武汉)是一所特色鲜明,_____的全国重点大学。

(10分)
(A) 以工为主,理工管文相结合
(B) 以文为主,理工管文相结合
(C) 以文为主,理工相结合
(D) 以工为主,管文相结合
参考答案:A
2. 在远程教育中,教育教学制度上同传统教育不同,更加注重创新才能的培养,在保证受教育者具备基本学习能力的前提下,采取
_____的方针。

(10分)
(A) 严进宽出
(B) 严进严出
(C) 宽进严出
(D) 宽进宽出
参考答案:C
3. 远程教育发源于_____,其早期形式是函授教育,是在机器工业时代,应经济社会发展对人才素质的要求而产生的一种新型教育方式。

(10分)
(A) 19世纪的美国
(B) 18世纪的英国
(C) 18世纪的法国
(D) 19世纪中叶的英国
参考答案:D
4. 所谓远程教育就是以“_____”异地.“教.学”分离为主要特征的教育。

(10分)
(A) 听.说
(B) 师.生
(C) 读.写
(D) 教.学
参考答案:B
5. 课件运行环境要求如下:硬件是任何一台能上网的计算机;软件是_____,IE
6.0以上,Media Player9.0以上,Flash播放插件。

(10分)
(A) windows97
(B) windows98/NT/2000
(C) Microsoft office
(D) Windows word
参考答案:B
6. 远程教育的发展经历了三代,以下哪个不是:_____。

(10分)
(A) 函授教育
(B) 广播电视教育
(C) 成人教育
(D) 网络教育
参考答案:C
7. 中国地质大学(武汉)是_____.首批进入国家“211工程”的全国重点大学。

(10分)
(A) 资源部直属
(B) 石油部直属
(C) 教育部直属
(D) 科技部直属
参考答案:C
8. 参加远程开放教育学习,下列哪一种观念需要转变_____。

(10分)
(A) 在信息社会中,人们需要终身学习
(B) 现代远程教育为求学者提供了平等的学习机会
(C) 学习能力的提高关键在于教师的教学水平
(D) 接受教育不光是学习知识,还要学会学习
参考答案:C
9. 已具有国民教育系列_____,可免考全部统考科目。

(10分)
(A) 本科以上学历(含本科)
(B) 硕士以上学历
(C) 专科以上学历
(D) 中专以上学历
参考答案:A
10. 现代远程教育有以下_____特点。

(10分)
(A) 开放性.灵活性
(B) 大众普及性.社会资源共享性
(C) 学习的终身性
(D) 以上全部
参考答案:D。

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