CN107170317A - Online testing method and system based on cloud platform - Google Patents
Online testing method and system based on cloud platform Download PDFInfo
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Abstract
The invention provides a kind of online testing method and system based on cloud platform.The online testing method based on cloud platform, comprises the following steps：Multiple topic informations are provided, each topic information includes topic and a correct option corresponding with the topic and N number of wrong answer；Receive the examination instruction of user's input；Select a target topic information；Multiple-choice question is tested in generation one, the test multiple-choice question includes target topic and M+1 target alternative, described Xiang Youyi target correct option of M+1 target alternative and M target error answer composition, the M target error answer are randomly selected from N number of target error answer.The present invention solves the problem of existing On-line Examining system can not be adjusted to topic answer, extends the function of On-line Examining system, it is to avoid because student memorizes mechanically answer cause the insecure problem of examination result.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of online testing method and system based on cloud platform.
Background technology
With computer application and the fast development of Internet technology, online teaching as a kind of new teaching method
Gradually received by people.In order to which the results of learning to people are detected, generally it is required for taking an exam.In such background
Under, On-line Examining system arises at the historic moment.Current On-line Examining system, realizes computer network online testing substantially, also by
Client/server (C/S) mode development has arrived browser/server (B/S) pattern, and the purpose of online testing is realized substantially.
Although more traditional artificial of existing online testing method and system is set a question, the mode of group signature has larger
Improve, the efficiency of teaching of teacher is also improved to a certain extent.But existing On-line Examining system is also in the presence of following several
The defect of aspect：
First, existing On-line Examining system is and realizes to randomly select fixed topic from large-scale exam pool, this
The mode for randomly selecting fixed topic is planted, is that whole topic and its answer are not made into any change, i.e. topic and alternate item order
Fixed inconvenience.This mode for extracting fixed topic easily causes student's memory topic apperance, and student only remembers the correct option
Numbering, such as ABCD letters, and the knowledge point being related to for topic solution approach in itself, topic is unclear, but be due to answer
Case numbering memory is accurate, can also obtain preferable achievement, thus can not really reflect the results of learning of student.
Secondly, current On-line Examining system can not adjust the difficulty of per pass topic according to the complexity of setting, i.e., existing
The difficulty for the per pass topic that some On-line Examining systems are randomly selected from exam pool immobilizes.
Furthermore, current On-line Examining system can not test difference chapters and sections in content according to the setting of teacher, adjustment
Ratio.
In addition, existing On-line Examining system only has single examination pattern, student is in existing On-line Examining system
It can only take an exam, and can not be learnt, i.e., existing On-line Examining system function is more single.
Therefore, how to strengthen the function of On-line Examining system, deficiency of the prior art can be overcome, be at present urgently
The technical problem of solution.
The content of the invention
The present invention provides a kind of online testing method and system based on cloud platform, to solve existing online testing system
System function is single, the problem of be difficult to meet user's request, to improve the reliability of examination result.
In order to solve the above problems, the invention provides a kind of online testing method based on cloud platform, including following step
Suddenly：Multiple topic informations are provided, each topic information includes topic and a correct option corresponding with the topic
With N number of wrong answer, wherein N is positive integer, and N >=3；Receive the examination instruction of user's input；From the multiple topic information
It is middle selection one target topic information, the target topic information include target topic and with the target topic corresponding one
Individual target correct option and N number of target error answer；Generation one test multiple-choice question, the test multiple-choice question include target topic and
M+1 target alternative, described Xiang Youyi target correct option of M+1 target alternative and M target error answer composition, institute
M target error answer is stated to randomly select from N number of target error answer, wherein, M is positive integer, and N >=M, M >=2.
It is preferred that, the step of multiple-choice question is tested in the generation one also includes：M+1 alternate item numbering is provided；By the M+1
Individual alternate item numbering is randomly assigned to M+1 target alternative so that the M+1 target alternative is individual alternative with the M+1
Item numbering is corresponded.
It is preferred that, the online testing method based on cloud platform also comprises the following steps：Multiple topic informations are provided, often
Topic information described in one includes X sub- topic informations, and the X sub- topic informations are corresponded with X degree-of-difficulty factor, Mei Yisuo
Stating crosshead mesh information includes topic and a correct option corresponding with the topic and N number of wrong answer, and wherein X is just
Integer, and X >=2；Receive the target degree-of-difficulty factor of user's input；Selection and the target difficulty from the target topic information
The sub- topic information of target of coefficients match generates the test multiple-choice question.
It is preferred that, the online testing method based on cloud platform also comprises the following steps：Multiple topic informations are provided, often
Topic information described in one also includes topic chapters and sections information corresponding with teaching material；Receive the chapters and sections percent information of user's input；
According to the corresponding chapters and sections information of each topic information and the chapters and sections percent information, taken out at random from the multiple topic information
Take multiple topic informations, generation multiple tracks test multiple-choice question.
It is preferred that, the online testing method based on cloud platform also comprises the following steps：Mode of learning, test mould are provided
Formula and examination pattern, the mode of learning are the label target correct options while test multiple-choice question is generated；It is described to survey
Die trial formula is the label target correct option after user completes to the selection of test multiple-choice question described in one；The examination pattern be
User completes to test after the electronic test paper that constitutes of multiple-choice question described in multiple tracks, reads and makes comments the electronic test paper and to achieving the result；Receive
The pattern of user's selection is simultaneously operated accordingly.
Present invention also offers a kind of On-line Examining system based on cloud platform, including：Memory module, it is multiple for storing
Topic information, each topic information includes topic and a correct option corresponding with the topic and N number of mistake is answered
Case, wherein N are positive integer, and N >=3；Input module, for user's input examination instruction；Selecting module, connects the storage mould
Block, for selecting a target topic information from the multiple topic information, the target topic information include target topic, with
And a target correct option corresponding with the target topic and N number of target error answer；Control module, connects the selection
Module, tests multiple-choice question, the test multiple-choice question includes target topic and M+1 target alternative, the M+1 for generating one
Individual Xiang Youyi target correct option of target alternative and M target error answer composition, the M target error answer is from N
Randomly selected in individual target error answer, wherein, M is positive integer, and N >=M, M >=2.
It is preferred that, the control module includes allocation unit；The allocation unit provides M+1 alternate item numbering, and will
The M+1 alternate item numbering is randomly assigned to M+1 target alternative so that the M+1 target alternative and the M+1
Individual alternate item numbering is corresponded.
It is preferred that, each topic information in the memory module includes each sub- topic informations of X, the X crosshead
Mesh information is corresponded with X degree-of-difficulty factor, and each crosshead mesh information includes topic and corresponding with the topic one
Individual correct option and N number of wrong answer, wherein X is positive integer, and X >=2；The input module includes degree-of-difficulty factor and selects single
Member, the degree-of-difficulty factor selecting unit is used for user and inputs target degree-of-difficulty factor；The selecting module is additionally operable to from the target
The sub- topic information of target matched with the target degree-of-difficulty factor is selected in topic information；The control module is according to the target
Multiple-choice question is tested in sub- topic information generation one.
It is preferred that, it is corresponding with teaching material that each topic information stored in the memory module also includes the topic
Chapters and sections information；The input module includes chapters and sections ratio selecting unit, and the chapters and sections ratio selecting unit is used for user and inputs chapter
Section ratio；The selecting module is additionally operable to according to the corresponding chapters and sections information of each topic information and the chapters and sections percent information,
Multiple topic informations are randomly selected from the multiple topic information；The control module is randomly selected according to the selecting module
Multiple topic informations generation multiple tracks test multiple-choice question.
It is preferred that, the On-line Examining system based on cloud platform also includes mode selection module；The model selection mould
Block connects the control module, including mode of learning, test pattern and examination pattern, and the mode of learning is to generate described survey
Try label target correct option while multiple-choice question；The test pattern is to complete the choosing to testing multiple-choice question described in one in user
Select rear label target correct option；The examination pattern is to complete to test the electronics examination that multiple-choice question is constituted described in multiple tracks in user
After volume, the electronic test paper is read and made comments and to achieving the result；The input module is additionally operable to input mode；The control module root
The pattern inputted according to user performs corresponding operation.
The online testing method and system based on cloud platform that the present invention is provided, by setting right with it to each road topic
The correct option answered and N number of wrong answer, in generation test multiple-choice question, the M mistake from multiple wrong answers at random
Composition alternate item is combined in answer with correct option, solves what existing On-line Examining system can not be adjusted to topic answer
Problem, extends the function of On-line Examining system, it is to avoid because student memorizes mechanically answer cause the insecure problem of examination result.
Brief description of the drawings
Accompanying drawing 1 is the flow chart of the online testing method based on cloud platform of the specific embodiment of the invention；
Accompanying drawing 2 is the structural representation of the On-line Examining system based on cloud platform of the specific embodiment of the invention；
Accompanying drawing 3 be the specific embodiment of the invention the On-line Examining system based on cloud platform in mode selection module knot
Structure schematic diagram.
Embodiment
The specific embodiment party of the online testing method and system based on cloud platform provided below in conjunction with the accompanying drawings the present invention
Formula elaborates.
Present embodiment provides a kind of online testing method based on cloud platform, and accompanying drawing 1 is of the invention specific real
Apply the flow chart of the online testing method based on cloud platform of mode.As shown in figure 1, present embodiment provide based on cloud
The online testing method of platform comprises the following steps：
Step S11 is there is provided multiple topic informations, and each topic information includes topic and corresponding with the topic
A correct option and N number of wrong answer, wherein N is positive integer, and N >=3.By providing N number of wrong answer, surveyed in generation
During trying multiple-choice question, there can be multiple combinations form with the correct option, so as to form a variety of alternate items, change original
There are topic and the changeless form of alternate item, it is to avoid student only remembers answer and causes the insecure problem of examination result.
Step S12, receives the examination instruction of user's input.User can input examination instruction in many ways, such as with thing
The mode of button or virtual key is managed, present embodiment is not construed as limiting to this.
Step S13, selects a target topic information from the multiple topic information, and the target topic information includes mesh
Title mesh and a target correct option corresponding with the target topic and N number of target error answer.When user's input is examined
After examination instruction, system can select a target topic information from multiple topic informations of offer automatically, be used as test question presentation
To student.Wherein, the method that a target topic information is selected from the multiple topic information, can be based on the specific of user
Set, for example, choose target topic information from particular chapter corresponding with teaching material, can also be random from multiple topic informations
A topic information is selected as target topic information.
Multiple-choice question is tested in step S14, generation one, and the test multiple-choice question includes target topic and M+1 target alternative,
Described Xiang Youyi target correct option of M+1 target alternative and M target error answer composition, the M target error are answered
Case is randomly selected from N number of target error answer, wherein, M is positive integer, and N >=M, M >=2.Specifically, with selection
Target topic information in target topic as test multiple-choice question test topic, meanwhile, from N number of target error answer with
Machine chooses M target error answer, and this M target error answer is combined to be formed and the test with a target correct option
The corresponding M+1 target alternative of topic.For the ease of subsequently judging the examination result of user, the test selection of generation one
While topic, position of the target correct option in target alternative is stored.So, due to being wrong from N number of target
Randomly select M target error answer in answer by mistake to combine with target correct option, this allows the test multiple-choice question many
Kind of mode is presented to user, it is to avoid On-line Examining system can only show multiple-choice question in changeless form in the prior art
Defect, enhances the function of online testing, improves Consumer's Experience.
For the flexibility of the test multiple-choice question that further improves generation, it is preferred that the test of generation one multiple-choice question
Step also includes：M+1 alternate item numbering is provided；M+1 alternate item numbering is randomly assigned to M+1 target alternative
So that the M+1 target alternative is numbered with the M+1 alternate item to be corresponded.For example there is provided A, B, C, D totally four
This four alternate item numberings are randomly assigned to four target alternatives by individual alternate item numbering, meanwhile, record target correct option
Alternate item numbering, be easy to subsequently judge the test result of user.
It is configured, adjusts, further to improve in order to the difficulty to the test multiple-choice question during online testing
The flexibility of the online testing method based on cloud platform described in present embodiment, it is preferred that described based on cloud platform
Online testing method also comprises the following steps：Multiple topic informations are provided, each topic information includes X sub- topic letters
Breath, the X sub- topic informations are corresponded with X degree-of-difficulty factor, each crosshead mesh information including topic and with institute
State the corresponding correct option of topic and N number of wrong answer, wherein X is positive integer, and X >=2；Receive the target of user's input
Degree-of-difficulty factor；The sub- topic information of target matched with the target degree-of-difficulty factor is selected to generate from the target topic information
The test multiple-choice question.In this way, user can according to the difficulty that each test multiple-choice question is adjusted the need for oneself, and
The electronic test paper of the correspondence difficulty of generation one, in order to which the student to different levels, varying level tests.
In order to the particular content of adjustment online testing as needed, it is preferred that the examining online based on cloud platform
Method for testing also comprises the following steps：Multiple topic informations are provided, each topic information also includes the topic and teaching material pair
The chapters and sections information answered；Receive the chapters and sections percent information of user's input；According to the corresponding chapters and sections information of each topic information and institute
Chapters and sections percent information is stated, multiple topic informations, generation multiple tracks test multiple-choice question are randomly selected from the multiple topic information.Tool
For body, the chapters and sections percent information inputted according to user calculates the test multiple-choice question quantity of target chapters and sections；Further according to the topic
Chapters and sections information in information, randomly selects the target topic of respective numbers from multiple topic informations that the target chapters and sections are matched
Mesh information, to generate multiple tracks test multiple-choice question.
It is excellent in order to further enhance the feature of the online testing method based on cloud platform described in present embodiment
Choosing, the online testing method based on cloud platform also comprises the following steps：Mode of learning, test pattern and examination mould are provided
Formula, the mode of learning is the label target correct option while test multiple-choice question is generated；The test pattern be
User is completed to label target correct option after the selection of test multiple-choice question described in one；The examination pattern be user complete by
Tested described in multiple tracks after the electronic test paper that multiple-choice question is constituted, read and make comments the electronic test paper and to achieving the result；Receive user's selection
Pattern is simultaneously operated accordingly.So so that user can not only take an exam, moreover it is possible to carry out autonomous learning, selftest.
In addition, in order to further prevent student from remembering topic, the multiple topic information can also be carried out by knowledge point
Classification, the topic information for same class knowledge point is numbered using same knowledge point, and with the multiple of same knowledge point numbering
The problem description of topic information is different.Multiple target topic information composition electronics are being selected from the multiple topic information
During paper, for only randomly selecting a topic information in multiple topic informations for being numbered with same knowledge point.Thus, constitute
The knowledge point numbering of multiple target topic informations of electronic test paper is different, and the target topic information of those different knowledge points
Randomly select, so that the problem of topic that effectively prevent same knowledge point immobilizes, student remembers topic.
The online testing method based on cloud platform that present embodiment is provided, by being set and it to each road topic
A corresponding correct option and N number of wrong answer, generation test multiple-choice question when, at random from multiple wrong answers M mistake
Composition alternate item is combined in answer with correct option by mistake, and solving existing On-line Examining system can not be adjusted to topic answer
The problem of, extend the function of On-line Examining system, it is to avoid because student memorizes mechanically answer cause the insecure problem of examination result.
Present embodiment additionally provides a kind of On-line Examining system based on cloud platform, and accompanying drawing 2 is of the invention specific
The structural representation of the On-line Examining system based on cloud platform of embodiment.As shown in Fig. 2 described in present embodiment
On-line Examining system based on cloud platform includes：Memory module 21, input module 22, selecting module 23 and control module 24.
The memory module 21, for storing multiple topic informations, each topic information include topic and with institute
State the corresponding correct option of topic and N number of wrong answer, wherein N is positive integer, and N >=3.Answered by providing N number of mistake
Case, during generation test multiple-choice question, can have multiple combinations form with the correct option, so as to form a variety of alternative
, change original topic and the changeless form of alternate item, it is to avoid student only remembers answer and causes examination result unreliable
The problem of.
The input module 22, for user's input examination instruction.User can input examination instruction in many ways, for example
In the way of physical button or virtual key, present embodiment is not construed as limiting to this.
The selecting module 23, connects the memory module 21, for selecting a target from the multiple topic information
Topic information, the target topic information includes target topic and a target corresponding with the target topic is correctly answered
Case and N number of target error answer.After user's input examination instruction, system automatic can be selected from multiple topic informations of offer
One target topic information, is used as test question and is presented to student.Wherein, a target topic is selected from the multiple topic information
The method of information, can be the specific setting based on user, for example, choose target topic letter from particular chapter corresponding with teaching material
Breath, can also be and a topic information is randomly choosed from multiple topic informations as target topic information.
The control module 24, connects the selecting module 23, and multiple-choice question, the test multiple-choice question are tested for generating one
Including target topic and M+1 target alternative, described Xiang Youyi target correct option of M+1 target alternative and M target
Wrong answer is constituted, and the M target error answer is randomly selected from N number of target error answer, wherein, M is just whole
Number, and N >=M, M >=2.Specifically, the test of test multiple-choice question is used as using the target topic in the target topic information of selection
Topic, meanwhile, randomly select M target error answer from N number of target error answer, and by this M target error answer with
One target correct option combines to form M+1 target alternative corresponding with the test topic.For the ease of subsequently to user
Examination result judged, while multiple-choice question is tested in generation one, store the target correct option in target alternative
Position.So, due to being to randomly select M target error answer from N number of target error answer correctly to answer with target
Case is combined, and this causes the test multiple-choice question to be presented to user in many ways, it is to avoid online testing system in the prior art
System can only show the defect of multiple-choice question in changeless form, enhance the function of online testing, improve Consumer's Experience.
For the flexibility of the test multiple-choice question that further improves generation, it is preferred that the control module 24 includes distribution
Unit；The allocation unit provides M+1 alternate item numbering, and M+1 alternate item numbering is randomly assigned into M+1 mesh
Mark alternate item so that the M+1 target alternative is numbered with the M+1 alternate item to be corresponded.For example, the distribution is single
Member provides A, B, C, D totally four alternate item numberings, this four alternate item numberings is randomly assigned into four target alternatives, together
When, the alternate item numbering of record target correct option is easy to the test result subsequently to user to judge.
It is preferred that, each topic information in the memory module 21 includes each sub- topic informations of X, the X son
Topic information is corresponded with X degree-of-difficulty factor, and each crosshead mesh information includes topic and corresponding with the topic
One correct option and N number of wrong answer, wherein X is positive integer, and X >=2；The input module 22 is selected including degree-of-difficulty factor
Unit, the degree-of-difficulty factor selecting unit is used for user and inputs target degree-of-difficulty factor；The selecting module 23 is additionally operable to from described
The sub- topic information of target matched with the target degree-of-difficulty factor is selected in target topic information；The control module 24 is according to institute
State the sub- topic information generation one of target and test multiple-choice question.In this way, user can adjust each according to the need for oneself
The difficulty of multiple-choice question is tested, and generates the electronic test paper of a correspondence difficulty, in order to which the student to different levels, varying level enters
Row test.
In order to the particular content of adjustment online testing as needed, it is preferred that stored in the memory module 21
Each topic information also includes topic chapters and sections information corresponding with teaching material；The input module 22 includes chapters and sections ratio
Selecting unit, the chapters and sections ratio selecting unit is used for user and inputs chapters and sections ratio；The selecting module 23 is additionally operable to according to every
The corresponding chapters and sections information of one topic information and the chapters and sections percent information, are randomly selected multiple from the multiple topic information
Topic information；Multiple topic informations generation multiple tracks test that the control module 24 is randomly selected according to the selecting module is selected
Topic.Specifically, the chapters and sections percent information inputted according to user, calculates the test multiple-choice question quantity of target chapters and sections；Further according to institute
The chapters and sections information in topic information is stated, respective numbers are randomly selected from multiple topic informations that the target chapters and sections are matched
Target topic information, to generate multiple tracks test multiple-choice question.
Accompanying drawing 3 be the specific embodiment of the invention the On-line Examining system based on cloud platform in mode selection module knot
Structure schematic diagram.In order to further enhance the feature of the online testing method based on cloud platform described in present embodiment,
It is preferred that, the On-line Examining system based on cloud platform also includes mode selection module 25；The mode selection module 25 connects
Connect the control module 24, including mode of learning 251, test pattern 252 and examination pattern 253, the mode of learning 251 be
Label target correct option while generating the test multiple-choice question；The test pattern 252 is to be completed in user to described in one
Test label target correct option after the selection of multiple-choice question；The examination pattern 253 is to complete to test as described in multiple tracks in user
After the electronic test paper that multiple-choice question is constituted, the electronic test paper is read and made comments and to achieving the result；It is defeated that the input module 22 is additionally operable to user
Enter pattern；The pattern that the control module 24 is inputted according to user performs corresponding operation.So so that user can not only enter
Row examination, moreover it is possible to carry out autonomous learning, selftest.
In addition, in order to further prevent student from remembering topic, can also be described many by what is stored in the memory module 21
Individual topic information is classified by knowledge point, and the topic information for same class knowledge point is numbered using same knowledge point, and tool
There is the problem description of multiple topic informations of same knowledge point numbering different.When the online testing system based on cloud platform
When system selects multiple target topic information composition electronic test papers from the multiple topic information, for being compiled with same knowledge point
Number multiple topic informations in only randomly select a topic information.Thus, multiple target topic informations of electronic test paper are constituted
Knowledge point numbering it is different, and the target topic information of those different knowledge points randomly selects, so that effectively
Prevent the topic of same knowledge point to immobilize, student memory topic the problem of.
The On-line Examining system based on cloud platform that present embodiment is provided, by being set and it to each road topic
A corresponding correct option and N number of wrong answer, generation test multiple-choice question when, at random from multiple wrong answers M mistake
Composition alternate item is combined in answer with correct option by mistake, and solving existing On-line Examining system can not be adjusted to topic answer
The problem of, extend the function of On-line Examining system, it is to avoid because student memorizes mechanically answer cause the insecure problem of examination result.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of online testing method based on cloud platform, it is characterised in that comprise the following steps：
Multiple topic informations are provided, each topic information includes topic and one corresponding with the topic is correctly answered
Case and N number of wrong answer, wherein N are positive integer, and N >=3；
Receive the examination instruction of user's input；
Select a target topic information from the multiple topic information, the target topic information include target topic and
A target correct option corresponding with the target topic and N number of target error answer；Multiple-choice question, the survey are tested in generation one
Trying multiple-choice question includes target topic and M+1 target alternative, described Xiang Youyi target correct option of M+1 target alternative with
M target error answer composition, the M target error answer is randomly selected from N number of target error answer, wherein, M
For positive integer, and N >=M, M >=2.
2. the online testing method according to claim 1 based on cloud platform, it is characterised in that the test of generation one choosing
The step of selecting topic also includes：
M+1 alternate item numbering is provided；
M+1 alternate item numbering is randomly assigned to M+1 target alternative so that the M+1 target alternative item and
The M+1 alternate item numbering is corresponded.
3. the online testing method according to claim 1 based on cloud platform, it is characterised in that described based on cloud platform
Online testing method also comprises the following steps：
Multiple topic informations are provided, each topic information includes X sub- topic informations, and the X sub- topic informations and X are individual
Degree-of-difficulty factor is corresponded, and each crosshead mesh information includes topic and a correct option corresponding with the topic
With N number of wrong answer, wherein X is positive integer, and X >=2；
Receive the target degree-of-difficulty factor of user's input；
Select the sub- topic information of target matched with the target degree-of-difficulty factor described to generate from the target topic information
Test multiple-choice question.
4. the online testing method according to claim 1 based on cloud platform, it is characterised in that described based on cloud platform
Online testing method also comprises the following steps：
Multiple topic informations are provided, each topic information also includes topic chapters and sections information corresponding with teaching material；
Receive the chapters and sections percent information of user's input；
According to the corresponding chapters and sections information of each topic information and the chapters and sections percent information, from the multiple topic information with
Machine extracts multiple topic informations, generation multiple tracks test multiple-choice question.
5. the online testing method according to claim 1 based on cloud platform, it is characterised in that described based on cloud platform
Online testing method also comprises the following steps：
Mode of learning, test pattern and examination pattern are provided, the mode of learning is while the test multiple-choice question is generated
Label target correct option；The test pattern be user complete to described in one test multiple-choice question selection after label target just
True answer；The examination pattern is after user completes to test the electronic test paper that multiple-choice question is constituted described in multiple tracks, to read and make comments described
Electronic test paper is simultaneously achieved the result；
Receive the pattern of user's selection and operated accordingly.
6. a kind of On-line Examining system based on cloud platform, it is characterised in that including：
Memory module, for storing multiple topic informations, each topic information includes topic and corresponding with the topic
A correct option and N number of wrong answer, wherein N is positive integer, and N >=3；
Input module, for user's input examination instruction；
Selecting module, connects the memory module, described for selecting a target topic information from the multiple topic information
Target topic information includes target topic and a target correct option corresponding with the target topic and N number of target is wrong
Answer by mistake；
Control module, connects the selecting module, tests multiple-choice question for generating one, the test multiple-choice question includes target topic
With M+1 target alternative, described Xiang Youyi target correct option of M+1 target alternative and M target error answer composition,
The M target error answer is randomly selected from N number of target error answer, wherein, M is positive integer, and N >=M, M >=
2。
7. the On-line Examining system according to claim 6 based on cloud platform, it is characterised in that the control module includes
Allocation unit；The allocation unit provides M+1 alternate item numbering, and M+1 alternate item numbering is randomly assigned into M+1
Individual target alternative so that the M+1 target alternative is numbered with the M+1 alternate item to be corresponded.
8. the On-line Examining system according to claim 6 based on cloud platform, it is characterised in that in the memory module
Each topic information includes each sub- topic informations of X, and the X sub- topic informations are corresponded with X degree-of-difficulty factor, each
The crosshead mesh information includes topic and a correct option corresponding with the topic and N number of wrong answer, and wherein X is
Positive integer, and X >=2；The input module includes degree-of-difficulty factor selecting unit, and it is defeated that the degree-of-difficulty factor selecting unit is used for user
Enter target degree-of-difficulty factor；The selecting module is additionally operable to selection and the target degree-of-difficulty factor from the target topic information
The sub- topic information of target matched somebody with somebody；The control module tests multiple-choice question according to the sub- topic information generation one of the target.
9. the On-line Examining system according to claim 6 based on cloud platform, it is characterised in that deposited in the memory module
Each topic information of storage also includes topic chapters and sections information corresponding with teaching material；The input module includes chapters and sections ratio
Example selecting unit, the chapters and sections ratio selecting unit is used for user and inputs chapters and sections ratio；The selecting module is additionally operable to according to every
The corresponding chapters and sections information of one topic information and the chapters and sections percent information, are randomly selected multiple from the multiple topic information
Topic information；Multiple topic informations generation multiple tracks test that the control module is randomly selected according to the selecting module is selected
Topic.
10. the On-line Examining system according to claim 6 based on cloud platform, it is characterised in that described to be based on cloud platform
On-line Examining system also include mode selection module；The mode selection module connects the control module, including study mould
Formula, test pattern and examination pattern, the mode of learning are that label target is correctly answered while the test multiple-choice question is generated
Case；The test pattern is the label target correct option after user completes to the selection of test multiple-choice question described in one；It is described to examine
Die trial formula is after user completes to test the electronic test paper that multiple-choice question is constituted described in multiple tracks, to read and make comments the electronic test paper and provide
Achievement；The input module is additionally operable to input mode；The pattern that the control module is inputted according to user performs corresponding
Operation.
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