moocLinear Programming Modeling and CPLEX Solving期末答案(mooc2023课后作业答案)
15 min readmoocLinear Programming Modeling and CPLEX Solving期末答案(mooc2023课后作业答案)
Introduction随堂测验
1、期末The答案答案 beginning of the operations research has been attributed to the ( ) in WWII.
A、Military service
B、课后Medical service
C、作业Education
D、期末Industry
2、答案答案The课后 first step of using the operations research is to ( ).
A、Define the problem and gather data
B、作业Formulate a mathematical model
C、期末Develop a computer-based solution procedure
D、答案答案Test the model and refine it as needed
3、课后After WWII,作业 the success of operations research spurred interest in applying operations research outside the military such as ( ).
A、Medical treatment
B、期末Transportation
C、答案答案Aerospace
D、课后Public service
Unit test for introduction
1、The beginning of the operations research has been attributed to the ( ) in WWII.
A、Military service
B、Medical service
C、Education
D、Industry
2、The first step of using the operations research is to ( ).
A、Define the problem and gather data
B、Formulate a mathematical model
C、Develop a computer-based solution procedure
D、Test the model and refine it as needed
3、The last step of using the operations research is to ( ).
A、Develop a computer-based solution procedure
B、Test the model and refine it as needed
C、Prepare to apply the model
D、Implement
4、After WWII, the success of operations research spurred interest in applying operations research outside the military such as ( ).
A、Medical treatment
B、Transportation
C、Aerospace
D、Public service
5、When we formulate a mathematical model for a problem, we should ( ).
A、Define decision variables
B、Develop the object function
C、Propose constraints
D、None of the above
6、When we test the model, we should ( ).
A、Make sure there are no serious flaws
B、Make model changes if necessary
C、Do not change the model
D、None of the above
7、When we prepare to apply the model and implantation, we should ( ).
A、Install a well-documented system
B、Integrated a considerable number of computer programs
C、Provide databases and management information systems
D、Get the model, solution procedure, and operating procedures ready
8、We can definitely get a “right” answer from a “wrong” defined problem.
1. Linear Programming
1.1 Linear programming model随堂测验
1、What is the correct description of the following objective functions ( )?
A、To minimize the total transporting cost
B、To assume the amount of transporting goods
C、To choose the proper transportation vehicles
D、Limited by the total resources
2、A linear programming model includes ( ).
A、Decision variables
B、Object function
C、Constraints
D、Programming
3、A standard linear programming model is to maximize an objective function.
1.2 The simplex method随堂测验
1、How many steps are there in the simplex method?
A、1
B、3
C、5
D、7
2、The simplex method requires a linear programming model to be a standard model.
3、The simplex method cannot find optimal solutions.
1.3 CPLEX solver随堂测验
1、CPLEX uses ( ) programing language.
A、Scripting
B、Official
C、Compiled
D、None of the above
2、In CPLEX, the working space is for ( ).
A、Saving the CPLEX projects
B、Saving models
C、Saving data
D、Saving settings
3、How to create an OPL project in CPLEX?
A、New – File – OPL project
B、OPL project – File – New
C、File – New – OPL project
D、None of the above
Unit test for lecture 1
1、What is the correct description of the following objective functions ( )?
A、To minimize the total transporting cost
B、To assume the amount of transporting goods
C、To choose the proper transportation vehicles
D、Limited by the total resources
2、How many steps are there in the simplex method? ( )
A、1
B、3
C、5
D、7
3、CPLEX uses ( ) programing language.
A、Scripting
B、Official
C、Compiled
D、None of the above
4、In CPLEX, the working space is for ( )
A、Saving the CPLEX projects
B、Saving models
C、Saving data
D、Saving settings
5、How to create an OPL project in CPLEX? ( )
A、New – File – OPL project
B、OPL project – File – New
C、File – New – OPL project
D、None of the above
6、What is the keyword of defining decision variables in CPLEX? ( )
A、dvar
B、decision
C、variable
D、devar
7、What is the keyword of creating constraints in CPLEX? ( )
A、limited to
B、subject to
C、subject
D、with
8、A linear programming model includes ( )
A、Decision variables
B、Object function
C、Constraints
D、Programming
9、A linear model includes ( )?
A、Multiplication among decision variables
B、Division among decision variables
C、Plus among decision variables
D、Minus among decision variables
10、What are the steps in the graphic method ( )?
A、Draw the feasible domains
B、Draw the objective function line
C、Move the objective function in parallel
D、None of the above
11、What is the keyword of developing objective functions in CPLEX? ( )
A、minimize
B、maximize
C、min
D、max
12、A standard linear programming model is to maximize an objective function. ( )
13、A standard linear programming model has inequalities in the constraints. ( )
14、The simplex method requires a linear programming model to be a standard model ( ).
15、The simplex method cannot find optimal solutions ( ).
16、The simplex method can solve a linear programming model with multiple decision variables ( )
17、The simplex method is efficient for complicated problems ( ).
2. Integer Linear Programming
2.1 Pure integer programming model随堂测验
1、Integer programming model includes ( ).
A、Pure integer linear programming
B、Binary linear programming
C、Mixed integer linear programming
D、Linear programming
2、The decision variables in the pure integer programming model are only integers.
3、The decision domains in the binary programming model are only 1 and 0.
2.2 Binary programming model随堂测验
1、Binary variables can be considered as logical variables.
2、Binary variables can be used to indicate whether the system is in a specific state.
3、Binary variables can be used to indicate whether the decision variables take a specific scheme.
2.3 Modelling and solving Tianji racing随堂测验
1、In Tianji racing, how many combinations of racing games are there ( )?
A、3
B、4
C、5
D、6
2、In Tianji racing, how many times can a horse attend racing?
A、0
B、1
C、2
D、3
3、When modelling the winning condition for the Tianji racing, which mathematical technique can be used?
A、Big M method
B、Inequality constraint
C、Equality constraint
D、None of the above
Unit test for lecture 2
1、Use the binary variable x to represent whether a project is chosen or not. If the project is chosen, then the value of x is ( ).
A、0
B、1
C、2
D、3
2、Let the binary variable x1 represent whether project 1 is chosen or not. Let the binary variable x2 represent whether project 2 is chosen or not. Model the following relationship: If project 1 is chosen, then project 2 has to be chosen. ( )
A、x2 >= x1
B、x2 <= x1
C、x2 == x1
D、x2 != x1
3、Let the binary variable x1 represent whether project 1 is chosen or not. Let the binary variable x2 represent whether project 2 is chosen or not. Model the following relationship: At least one project will be chosen. ( )
A、x1 + x2 >=1
B、x1 + x2 <=1
C、x1 + x2 ==1
D、x1 + x2 ==2
4、Let the binary variable x1 represent whether project 1 is chosen or not. Let the binary variable x2 represent whether project 2 is chosen or not. Model the following relationship: At most one project will be chosen. ( )
A、x1 + x2 >=1
B、x1 + x2 <=1
C、x1 + x2 ==1
D、x1 + x2 ==2
5、In job assignment problems, if there are n jobs and n workers, how many decision variables are there totally (one-to-one correspondence)? ( )
A、n
B、2n
C、n*n
D、3n
6、In Tianji racing, how many combinations of racing games are there ( )?
A、3
B、4
C、5
D、6
7、In Tianji racing, how many times can a horse attend racing? ( )
A、0
B、1
C、2
D、3
8、Which kind of decision variables do we use to in the Tianji racing model? ( )
A、Integer
B、Binary
C、Decimal
D、None of the above
9、Integer programming model includes ( ).
A、Pure integer linear programming
B、Binary linear programming
C、Mixed integer linear programming
D、Linear programming
10、What solution approaches can be used to solve integer programming models? ( )
A、Exact algorithms
B、Non-numerical algorithms
C、Commercial solvers
D、None of the above
11、Exact algorithms include )
A、Branch and bound
B、Branch and cut
C、Branch and price
D、Column generation
12、Non-numerical algorithms include ( )
A、Simulated annealing
B、Genetic algorithm
C、Ant colony algorithm
D、Heuristic algorithm
13、When modelling the winning condition for the Tianji racing, which mathematical technique can be used? ( )
A、Big M method
B、Inequality constraint
C、Equality constraint
D、None of the above
14、The decision variables in the pure integer programming model are only integers. ( )
15、The decision domains in the binary programming model are only 1 and 0. ( )
16、The decision variables in the mixed integer programming model are only integers. ( )
17、Binary variables can be considered as logical variables. ( )
18、Binary variables can be used to indicate whether the system is in a specific state. ( )
19、Binary variables can be used to indicate whether the decision variables take a specific scheme. ( )
3. Mixed Integer Linear Programming
3.1 Mixed Integer Linear Programming (A) 随堂测验
1、MILP is short for ( ).
A、Mixed integer non-linear programming
B、Mixed integer linear programming
C、Integer non-linear programming
D、Integer linear programming
2、MILP models have continuous and ( ) variables which appear linearly, and hence separably, in the objective function and constraints.
A、Integer
B、Binary
C、Decimal
D、None of the above
3、MINLP models cannot be transformed into MILP.
3.2 Mixed Integer Linear Programming (B)随堂测验
1、The sentence (dvar int + x;) has no grammar errors in CPLEX.
2、The sentence (dvar int+ x) has no grammar errors in CPLEX. (×)
3、The sentence (dvar int+ x;) has no grammar errors in CPLEX.
Unit test for lecture 3
1、MILP is short for ( ).
A、Mixed integer non-linear programming
B、Mixed integer linear programming
C、Integer non-linear programming
D、Integer linear programming
2、MILP models have continuous and ( ) variables which appear linearly, and hence separably, in the objective function and constraints.
A、Integer
B、Binary
C、Decimal
D、None of the above
3、MINLP models have continuous and ( ) variables that appear nonlinearly in the objective function and constraints.
A、Integer
B、Binary
C、Decimal
D、None of the above
4、What is the keyword of defining integer variables in CPLEX? ( )
A、int
B、integer
C、float
D、boolean
5、What is the keyword of defining real numbers in CPLEX? ( )
A、int
B、integer
C、float
D、boolean
6、The necessity of linearization is ( )
A、Linear models are convex
B、Linear models are easy to solve to optimality
C、High model efficiency of linear models
D、None of the above
7、MINLP models cannot be transformed into MILP. ( )
8、The sentence (dvar int + x;) has no grammar errors in CPLEX. ( )
9、The sentence (dvar int+ x) has no grammar errors in CPLEX. ( )
10、The sentence (dvar int+ x;) has no grammar errors in CPLEX. ( )
11、The sentence (d var int+ x;) has no grammar errors in CPLEX. ( )
12、The sentence (dvar x;) has no grammar errors in CPLEX. ( )
4. Standard Transportation Problem
4.1 Modelling standard transportation problem随堂测验
1、The relationship between supply and demand in the standard transportation problem is ( ).
A、=
B、<
C、>
D、>=
2、Each source has a fixed supply of units in the standard transportation problem.
3、Each destination has a fixed demand for units in the standard transportation problem.
4.2 CPLEX coding for STP随堂测验
1、How many decision variables are there in the standard transportation problem if there are 100 factories and 100 markets?
A、100
B、1000
C、10000
D、100000
2、The sentence ({ string} factory = ..;) has no grammar errors in CPLEX.
3、The sentence (float supply [factory] = …;) has no grammar errors in CPLEX.
Unit test for lecture 4
1、The relationship between supply and demand in the standard transportation problem is ( ).
A、=
B、<
C、>
D、>=
2、The transportation cost between factory and market is usually ( ) dimensional.
A、1
B、2
C、3
D、4
3、Except for decision constraints, how many types of constraints are there in the standard transportation problem? ( )
A、1
B、2
C、3
D、4
4、How many decision variables are there in the standard transportation problem if there are 100 factories and 100 markets? ( )
A、100
B、1000
C、10000
D、100000
5、Each source has a fixed supply of units in the standard transportation problem. ( )
6、Each destination has a fixed demand for units in the standard transportation problem. ( )
7、The cost of distributing units from source to destination is not proportional to the number of units. ( )
8、The sentence ({ string} factory = ..;) has no grammar errors in CPLEX. ( )
9、The sentence (float supply [factory] = …;) has no grammar errors in CPLEX. ( )
10、The sentence (sum (o in factory) supply [o] == sum (d in market) demand [d];) has no grammar errors in CPLEX. ( )
11、The sentence (float cost [factory] [market] = …;) has no grammar errors in CPLEX. ( )
12、The sentence (minimize sum (o in factory, d in market) cost [o][d] * trans [o][d];) has no grammar errors in CPLEX. ( )
13、The sentence (factory = { A1 A2};) has no grammar errors in CPLEX. ( )
14、The sentence (supply = #[A1:200 A2:300]#;) has no grammar errors in CPLEX. ( )
5. Non-standard Transportation Problem
5.1 Supply less than demand随堂测验
1、In the transportation problem, when the supply is less than the demand, we should ( )
A、Insert a factory
B、Insert a market
C、Insert a factory and a market
D、All of the above
2、In the non-standard transportation problem (supply less than demand), the transportation cost from the auxiliary/virtual factory to markets is ( ).
A、Positive
B、Negative
C、Zero
D、None of the above
3、The production of the auxiliary/virtual factory is equal to ( ).
A、The total sales minus the total production
B、The total sales plus the total production
C、The total sales times the total production
D、None of the above
5.2 Sales uncertainty随堂测验
1、The non-standard transportation problem include ( )
A、Unbalanced production and demand
B、Uncertain sales
C、Balanced production and demand
D、All of the above
2、In the non-standard transportation problem with sales uncertainty, the transporting cost between a virtual factory and a market can be ( )
A、0
B、A large enough positive value
C、Uncertain
D、None of the above
3、The non-standard transportation problem can be transformed into the standard transportation problem. ( )
Unit test for lecture 5
1、In the transportation problem, the relationship between production and demand can be ( ).
A、=
B、<
C、>
D、All of the above
2、In the transportation problem, when the supply is less than the demand, we should ( )
A、Insert a factory
B、Insert a market
C、Insert a factory and a market
D、All of the above
3、In the non-standard transportation problem (supply less than demand), the transportation cost from the auxiliary/virtual factory to markets is ( ).
A、Positive
B、Negative
C、Zero
D、None of the above
4、The production of the auxiliary/virtual factory is equal to ( ).
A、The total sales minus the total production
B、The total sales plus the total production
C、The total sales times the total production
D、None of the above
5、The production of the auxiliary/virtual factory is ( ).
A、Positive
B、Negative
C、Zero
D、None of the above
6、The production of the auxiliary/virtual factory is equal to ( ).
A、The highest sales amount minus the total production
B、The highest sales amount plus the total production
C、The highest sales amount times the total production
D、None of the above
7、The non-standard transportation problem include ( )
A、Unbalanced production and demand
B、Uncertain sales
C、Balanced production and demand
D、All of the above
8、In the non-standard transportation problem with sales uncertainty, the transporting cost between a virtual factory and a market can be ( )
A、0
B、A large enough positive value
C、Uncertain
D、None of the above
9、The non-standard transportation problem can be transformed into the standard transportation problem. ( )
10、The virtual factory can support goods to the markets that are with fixed sales. ( )
6. Transshipment Problem
6 Transshipment Problem随堂测验
1、In the transshipment problem, products can be first delivered to ( ), and then shipped to markets.
A、Factories
B、Transfer stations
C、Vehicles
D、None of the above
2、There are m factories, s transfer stations, and n markets in a transshipment problem. What is the number of decision variables? ( )
A、m*n
B、(m+n)*(m+n)
C、(m+n+s)*(m+n+s)
D、s*s
3、In transshipment problems, products cannot be directly transported to markets. ( )
Unit test for lecture 6
1、In the transshipment problem, products can be first delivered to ( ), and then shipped to markets.
A、Factories
B、Transfer stations
C、Vehicles
D、None of the above
2、There are m factories, s transfer stations, and n markets in a transshipment problem. What is the dimension of the transportation matrix? ( )
A、m*n
B、(m+n)*(m+n)
C、(m+n+s)*(m+n+s)
D、s*s
3、There are m factories, s transfer stations, and n markets in a transshipment problem. What is the number of decision variables? ( )
A、m*n
B、(m+n)*(m+n)
C、(m+n+s)*(m+n+s)
D、s*s
4、In a typical transshipment problem, the total amount of production is Q, the production of each factory is a_i, and the sales volume of each market is b_j. When we make the transshipment table, what is the updated factory’s production? ( )
A、Q+ a_i
B、Q+ b_j
C、Q
D、Q+ a_i+ b_j
5、In a typical transshipment problem, the total amount of production is Q, the production of factory i is a_i, and the sales volume of market j is b_j. When we make the transshipment table, what is the updated transfer station’s production? ( )
A、Q+ a_i
B、Q+ b_j
C、Q
D、Q+ a_i+ b_j
6、In a typical transshipment problem, the total amount of production is Q, the production of each factory is a_i, and the sales volume of each market is b_j. When we make the transshipment table, what is the updated market’s production? ( )
A、Q+ a_i
B、Q+ b_j
C、Q
D、Q+ a_i+ b_j
7、In a typical transshipment problem, the total amount of production is Q, the production of each factory is a_i, and the sales volume of each market is b_j. When we make the transshipment table, what is the updated market’s sales? ( )
A、Q+ a_i
B、Q+ b_j
C、Q
D、Q+ a_i+ b_j
8、In a typical transshipment problem, the total amount of production is Q, the production of each factory is a_i, and the sales volume of each market is b_j. When we make the transshipment table, what is the updated transfer station’s sales? ( )
A、Q+ a_i
B、Q+ b_j
C、Q
D、Q+ a_i+ b_j
9、In a typical transshipment problem, the total amount of production is Q, the production of each factory is a_i, and the sales volume of each market is b_j. When we make the transshipment table, what is the updated factory’s sales? ( )
A、Q+ a_i
B、Q+ b_j
C、Q
D、Q+ a_i+ b_j
10、In transshipment problems, products cannot be directly transported to markets. ( )
7. Application 1 - Bus Scheduling Problem
7.1 Modelling bus scheduling problem随堂测验
1、What are the facilities in a transit station? ( )
A、Boarding platform
B、Stairway
C、Fare collection equipment
D、Storage tracks
2、Transit stop is a location along a line at which transit vehicles stop to pick up or drop off passengers. ( )
3、The transit station is a special structure and facility for passenger boarding and alighting, waiting, and transfer. ( )
7.2 CPLEX coding for BSP随堂测验
1、In CPLEX, what is the result of “i%2” when the value of i is 5? ( )
A、0
B、1
C、2
D、3
2、Use CPLEX code to describe the set “phase = { 1,2,3,4,5}”. ( )
A、range phases = 1 … 5;
B、range phases = [1 .. 5];
C、range phases = { 1 .. 5};
D、range phases = 1 .. 5;
3、When we model the bus scheduling problem, what constraints shall we consider? ( )
A、Each period is covered by operating buses
B、The whole public holiday is covered by buses
C、Headway requirement on working days
D、Headway requirement on public holidays
Unit test for lecture 7
1、The bus scheduling problem aims to optimally deploy ( ) to fulfill published timetables for bus services subject to certain constraints.
A、Drivers
B、Trains
C、Buses
D、Managers
2、In CPLEX, what is the result of “i%2” when the value of i is 5? ( )
A、0
B、1
C、2
D、3
3、In CPLEX, what is the result of “i%2” when the value of i is 6? ( )
A、0
B、1
C、2
D、3
4、Use CPLEX code to describe the set “phase = { 1,2,3,4,5}”. ( )
A、range phases = 1 … 5;
B、range phases = [1 .. 5]
C、range phases = { 1 .. 5};
D、range phases = 1 .. 5;
5、How many working days in May? ( )
A、18
B、19
C、20
D、21
6、How many public holidays in May? ( )
A、9
B、10
C、11
D、12
7、What are the targets of the Singapore government in providing public transport services? ( )
A、Better rides
B、Affordable fares
C、Sustainable public transport
D、Personalized service
8、What are the main components of the public transport system? ( )
A、Network
B、Line
C、Stop
D、Terminal
9、What are the facilities in a transit stop? ( )
A、Signs
B、Information
C、Bench
D、Shelter
10、What are the facilities in a transit station? ( )
A、Boarding platform
B、Stairway
C、Fare collection equipment
D、Storage tracks
11、When we model the bus scheduling problem, what constraints shall we consider? ( )
A、Each period is covered by operating buses
B、The whole public holiday is covered by buses
C、Headway requirement on working days
D、Headway requirement on public holidays
12、The transit line is the infrastructure and service provided on a fixed alignment by vehicles operating on a predetermined schedule. ( )
13、A Transit network is a set of lines that connect with or cross each other and that are coordinated for efficient operation and provision of integrated services in an area. ( )
14、Transit stop is a location along a line at which transit vehicles stop to pick up or drop off passengers. ( )
15、The transit station is a special structure and facility for passenger boarding and alighting, waiting, and transfer. ( )
学习通Linear Programming Modeling and CPLEX Solving
Linear Programming Modeling and CPLEX Solving是一门很有用的课程，因为它可以教你如何使用线性规划模型来解决实际问题，并介绍了IBM CPLEX软件的使用。
什么是线性规划？
线性规划是一种数学优化技术，旨在寻找最佳解决方案，其中各项目标函数和约束条件都是线性的。线性规划被广泛用于经济学、工程学、决策科学和其他领域。
什么是IBM CPLEX？
IBM CPLEX是一款用于解决大规模线性规划问题的商业软件。它可以通过建模语言和图形用户界面与用户进行交互，并提供高效的求解器来解决问题。
课程大纲
课程分为以下部分：
- 线性规划基础知识
- 线性规划建模技巧
- IBM CPLEX软件介绍
- 使用IBM CPLEX建立和求解线性规划模型
- 优化结果分析
线性规划建模技巧
在线性规划建模过程中，需要注意以下几点：
- 定义问题：确定目标和约束条件。
- 选择决策变量：确定影响目标和约束条件的变量。
- 确定约束条件：制定与决策变量有关的条件。
- 建立目标函数：定义需要优化的目标。
- 检查模型：确保约束条件和目标函数正确地反映了问题。
使用IBM CPLEX建立和求解线性规划模型
IBM CPLEX提供了多种方式来建立和求解线性规划模型。可以使用CPLEX Interactive命令行界面、CPLEX Python API、CPLEX Java API或CPLEX Optimization Studio来建模和求解问题。
CPLEX Interactive命令行界面
CPLEX Interactive是一种使用命令行界面与CPLEX交互的方法。可以使用CPLEX Interactive输入和修改模型、运行求解器、查看结果。
CPLEX Python API
CPLEX Python API是一种使用Python编程语言与CPLEX交互的方法。它可以自动化建立和求解线性规划模型，并提供了丰富的数据处理和结果可视化选项。
CPLEX Java API
CPLEX Java API是一种使用Java编程语言与CPLEX交互的方法。它可以使用Java建立和求解线性规划模型，并提供了高效的数据处理和结果可视化选项。
CPLEX Optimization Studio
CPLEX Optimization Studio是一款集成化的建模和求解环境。它包含了CPLEX Interactive命令行界面、CPLEX Python API、CPLEX Java API等多种工具，同时还提供了现成的模板和案例，方便用户快速进行建模和求解。
优化结果分析
求解模型后，需要对优化结果进行分析。可以使用CPLEX提供的结果可视化和分析工具，还可以使用其他软件对结果进行进一步分析。
结果可视化
CPLEX提供了多种结果可视化选项，如表格、图表、散点图等。这些可视化工具可以帮助用户更好地理解优化结果。
结果分析
除了结果可视化，还可以使用其他工具对结果进行分析。例如，可以使用Excel或R语言对结果进行进一步的分析，以便更好地理解问题和解决方案。
总结
Linear Programming Modeling and CPLEX Solving是一门非常有用的课程。通过学习线性规划和IBM CPLEX软件，可以解决许多实际问题，并提高决策的准确性和效率。
在图示电路中，能完成的逻辑功能的电路有
A.以开放的胸怀和视野吸收借鉴人类文明的有益道德成果的原则是( )。
B.国防动员的对象是一切能够为战争服务的()_
C.d0a45050dd854b659f4e62d044b52d69.png
D.描述波动过程的数学函数都是空间、时间二元函数。
为了帮助运动员纠正错误动作，提高技术水平，教练员常用的方法是:
A.CIF Ex Ship’s Hold 属于（ ）
B.演唱者首先要用音乐的耳朵把握自己歌唱的音准。
C.实际进度前锋线是用()进行进度检查的。
D.唯物史观在考察谁是历史的创造者时坚持了哪些原则
4、德国古典哲学的代表性人物是
A.在投标报价程序中，在调查研究，收集信息资料后，应当（ ）
B.古埃及的民间信仰主要是哪个神
C.地处东中部但享受西部大开发政策待遇三个自治州是（ ）。
D.水体质量的调查主要包括水源类型、供水量、供水方式、水源补给。
白术软化前，分档的方法宜采用
A.董仲舒“王权天授”的学说是“奉天承运”的来源。()
B.在CIF条件下，进口许可证须由卖方办理。（）
C.离心泵的泵壳既是汇集叶轮抛出液体的部件,又是流体机械能的转换装置。
D.机器运转出现周期性速度波动的原因是
要求企业对于已经发生的交易
A.领导方格模型把领导分为（）种典型分类
B.（）葡萄牙人把咖啡树移植到巴西。
C.有哪些细胞参与TD-Ag介导的体液免疫应答
D.业务需求是确定软件产品的
在创业者识别和获取资源后，并不能保证新企业的存活。
A.成像测井资料，可以反映地下岩性及岩石组合变化、沉积构造等地质特征。
B.将神经网络作为被辨识系统的模型，可在已知常规模型结构的情况下，估计模型的参数。
C.电喇叭按有无触点可分为和两种。
D.What are stereotypes
切削速度是工件与刀具间的相对速度。
A.智慧职教: 土壤有机质能减少土壤中农药的残留量和重金属的毒害
B.精神两方面都处于良好的状态。
C.take a two -week
D.通常采用万孔筛筛余量来评定泥浆细度,万孔筛筛余量在2-5%之间即可。
建筑物分为甲、乙、丙、丁四个抗震设防类别，下列分类不正确的是
A.下列晶体熔化时，需要破坏共价键的
B.to get ________ hand
C.企业计提固定资产折旧应遵循的原则有（ ）。
D.沟通交流不完整，就有可能发生沟通失误或信息误读。（ ）
研究某企业职工的年龄结构
A.785c6f3f0caf489297ac6f3a7538eec2.png
B.________ is not yet known.
C.年度训练过程所包含的小周期数，是反映年度训练过程结构特征的主要内容。
D.如果企业的资金来源全部为自有资金，且没有优先股，则企业的财务杠杆系数
定义一个接口时，下列哪个关键字用不到()
A.城市中心丑陋地区才是城市更新的对象
B.以下不属于封建制法律的基本特征的是（ ）。
C.下列辅音中发音部位相同的是（ ）
D.交直流电压线圈电磁机构其衔铁动作不会引起线圈电流的变化。
一个人如果没有远大的理想
A.以下哪种体裁不属于室内乐范畴
B.配合公差的数值越小，则相互配合的孔、轴的公差等级越高。（ ）
C.铸件壁厚不均匀，容易产生缩孔和裂纹。
D.基于社会线索的多媒体设计原则交往特色原则包含（）。
平均吸收因子法的设计型问题是为了求取：
A.下列财务指标中，数值越高，表明企业资产的盈利能力越强的指标是（ ）
B.因为单设冷凝器，适当瓦特蒸汽机相对于纽科门蒸汽机的优点是（ ）。
C.甲苯侧链氯化制备氯化苄时要控制后处理无水操作，否则产物容易水解。
D.中世纪文学不包括下面哪种文学类型
自我沟通技能的提高也是一个不断()的过程。
A.未来企业的使命是保护和增进社会福利。
B.民间灯彩与上元节观灯的习俗，其来历有（ ）的说法
C.由于行政管理人员在医院中的领导地位，决定了医院系统性失误的影响具有广泛性。
D.一日休んで元気になりました。
分段函数一定不是初等函数
A.预应力筋的孔道成型采用钢管抽芯法，抽管宜在混凝土终凝后进行。
B.要做好营销工作,无需掌握消费心理、消费行为学。( )
C.创建学生表，可以将学号作为主码。
D.透明带反应的本质和意义（ ）
