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WebSQL is a SQL-like ( 71 ) language for extracting information from the web.Its capabilities for performing navigation of web ( 72 ) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (73), all the pages that can be reached from a given URL through (74) that match a ' pattern, or a combination of both.WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.
A.query
B.transaction
C.communication
D.programming
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更多 “ WebSQL is a SQL-like ( 71 ) language for extracting information from the web.Its capabilities for performing navigation of web ( 72 ) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (73), all the pages that can be reached from a given URL through (74) that match a pattern, or a combination of both.WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.A.queryB.transactionC.communicationD.programming ” 相关考题
考题
WebSQL is a SQL-like ___(71)___ language for extracting information from the web. Its capabilities for performing navigation of web ___(72)___ make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a ___(73)___ , all the pages that can be reached from a given URL through ___(74)___ that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common ___(75)___ Interface.(71)A. query B. transaction C. communication D. programming(72)A. browsers B. servers C. hypertexts D. clients(73)A. hypertext B. page C. protocol D. operation(74)A. paths B. chips C. tools D. directories(75)A. Router B. Device C. Computer D. Gateway
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● One tool that is useful during both analysis and design is the （72） ,which is a pictorial representation of the items of information(entities) within the system and the relationships between these pieces of information.（72）A．data dictionaryB．dataflow diagramC．use case diagramD．entity-relationship diagram
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WebSQL is a SQL-like （71） language for extracting information from the web. Itscapabilities for performing navigation of web （72） make it a useful tool for automatingseveral web-related tasks that require the systematic processing of either all the links in a（73） , all the pages that can be reached from a given URL through （74） that match apattern, or a combination of both. WebSQL also provides transparent access to index servers thatcan be queried via the Common （75） Interface.（71）A. query B. transaction C. communication D. programming（72）A. browsers B. servers C. hypertexts D. clients（73）A. hypertext B. page C. protocol D. operation（74）A. paths B. chips C. tools D. directories（75）A. Router B. Device C. Computer D. Gateway
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● The （71） has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries.（71）A. applicationB. information systemC. operating systemD. information processing
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Structured programming practices(71)rise to Pascal，in which constructs were introduced to make programs more readable and better(72). C provided a combination of assembly language and high-level Structure to create a general-purpose language that could be used from system to(73)programming. Next came object orientation，which is(74)of a methodology and design philosophy than a language issue．This is(75)by the addition of so-called OO extensions to current languages，such as C．A．givingB．givenC．gaveD．gives
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Originally, the World-Wide Web was designed as information medium for (71) research teams. A deliberately simple implementation model was chosen to make it as simple as possible for authors to (72) documents to the web, and to (73) these in the sense of updating content. This implementation model is centered around the notion of resources, usually file-base D. For the (74) intended use of the web, resources presented a useful abstraction, as they related to relatively self-contained chunks of information such as research publications and (75) pages. Such chunks of information typically could be set up and maintained independently of other resources, so that resources were the appropriate abstraction for composition and modification.A．allB．worldC．distributedD．internet
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Structured programming practices(71)rise to Pascal, in which constructs were introduced to make programs more readable and better(72)C provided a combination of assembly and high -level structure to create a general -purpose language that could be used from system to(73)programming. Next came object orientation, which is(74)of a metrology and design philosophy than a language issue. This is(75)by the addition of so - called OO extensions to current language, such as C++.A．givingB．givenC．gaveD．gives
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WebSQL is a SQL-like(26)language for extracting information from the web. Its capabilities for performing navigation of web(27)make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a(28), all the pages that can be reached from a given URL through(29)that match a' pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common(30)Interface.A．queryB．transactionC．communicationD．programming
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● A work breakdown structure (WBS) is a tool used to define and group a project's discrete work elements in a way that helps organize and define the total work scope of the project. A WBS is most useful for（72） .（72）A．identifying individual tasks for a projectB．scheduling the start of tasksC．scheduling the end of tasksD．determining potential delays
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● A project management technique that is currently in widespread use is the （71） . The purpose of this technique is to detail, in hierarchical fashion, all of the activities that are required to meet project objectives. There are some special activities called （72） , which are events that signify the accomplishment or completion of major deliverables during the project. Most system development methodologies also provide （73） , whose purpose is to contain the various pieces of relevant information – feasibility assessments, schedules, needs analysis, and so forth – in a single place so that they can be presented to project clients and other related parties. Several types of important network diagrams are used in project management. （74） was developed to make clear the interdependence between project tasks before those tasks are scheduled. （75） offers the advantage of clearly showing overlapping tasks.
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Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and system utilities.Application programs are programs that (2) useful tasks such as solving statistical problems, or keeping your company's books.Programming language processors are programs that (3) the use if a computer language in a computer system. They are tools for the development of application programs.Operation systems are programs that (4) the system resources and enable you to run application programs.System utilities are special programs that (5) the usefulness of or add capabilities to a computer.A．manageB．performC．supportD．reduceE．divided
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One of the difficulties in building an SQL-like query language for the Web is the absence of a database(131)for this huge, heterogeneous repository of information. However, if we are interested in HTML documents only, we can construct a virtual schema from the implicit structure of these files. Thus, at the highest level of(132), every such document is identified by its Uniform. Resource Locator(URL), and a(133)and a text. Also, Web severs provide some additional information such as the type, length, and the last modification date of a document. So for data mining purposes, we can consider the set of all HTML documents as a relation:Document(url, rifle, text, type, length, modif)Where all the(134)are character strings. In this framework, an individual document is identified with a(135)in this relation. Of course, if some optional information is missing from the HTML document, the associate fields will be left blank, but this is not uncommon in any database.A．schemaB．platformC．moduleD．relation
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The(71)has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries.A．applicationB．information systemC．operating systemD．information processing
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WebSQL is a SQL-like(36)language for extracting information from the web. Its capabilities for performing navigation of web(37)make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a page, all the pages that can be reached from a given URL through paths that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common Gateway Interface.A．queryB．transactionC．communicationD．programming
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XML is a(71)language for documents containing(72)information.Structured information contains both content(words, pictures, etc.)and some indication of what role that content plays(for example, content in a section heading has a different meaning from content in a footnote, which means something different than content in a figure caption or content in a database table, etc.). Almost all documents have some structure.A markup language is a(73)to(74)structures in a document. The XML specification defines a standard way to add markup to(75).A．make-upB．madeupC．markupD．makeup
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WebSQL is a SQL-like(6)language for extracting information from the web. Its capabilities for performing navigation of web(7)makes it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a(8), all the pages that can be reached from a given URL through(9)that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common(10)Interface.A．queryB．transactionC．communicationD．programming
考题
One of the difficulties in building an SQL,like query language for the Web is the absence of a database(71) for this huge, heterogeneous repository of information. However, if we are interested in HTML documents only, we can construct a virtual schema from the implicit structure of these files. Thus, at the highest level of(72) , every such document is identified by its Uniform. Resource Locator(URL), has a(73) and a text. Also, Web servers provide some additional information such as the type, length, and the last modification date of a document. So, for data mining purposes, we can consider the set of all HTML documents as a relation:Document(url, title, text, type, length, modif)Where all the(74) are character strings. In this framework, an individual document is identified with a(75) in this relation. Of course, if some optional information is missing from the HTML document, the associate fields will be left blank, but this is not uncommon in any database.A．schemaB．platformC．moduleD．relation
考题
People tend to make mistake when ____.A. they perform. several challenging tasks at a time.B. new messages are processed one after anotherC. their relationships with others are affectedD. the tasks require little thought
考题
Which of the following activities would help students develop the skill of extracting specific information?A.Inferring meaning from the context.
B.Recognizing the author’s beliefs and attitudes.
C.Using information in the reading passage to make hypotheses.
D.Listening to the flight information to see if the plane is on time.
考题
Which of the following activities would help students develop the skill of extracting specificinformation
A.Inferring meaning from the context.
B.Recognizing the author' s beliefs and attitudes.
C.Using information in the reading passage to make hypotheses.
D.Listening to the flight information to see if the plane is on time.
考题
Which of the following activities would help students develop the skill of extracting specif-ic information?
A．Inferring meaning from the context.
B．Recognizing the author's beliefs and attitudes.
C．Using information in the reading passage to make hypotheses.
D．Listening to the flight information to see if the plane is on time.
考题
27、【单项选择题】
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A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.
（73）应选？A.A.functional requirements
B.A.technical requirements
C.an operational requirements
D.A.service requirements
考题
A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.
（72）应选？A.operational requirements
B.business requirements
C.technical requirements
D.system requirements
考题
A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.
（75）应选？A..information requirements
B.system performance
C.secrity anD.control
D.cultural anD.political
考题
A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.
（71）应选？A.operational requirements
B.business requirements
C.technical requirements
D.system requirements
考题
A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a system should have to detailed statements of the technical way in whick the capabilities will be implemented in the new system. Requirements can be either functional or nofunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is __(73)__. The requirement that the system should be able to work on any Web browser belongs to __(74)__. That customer personal information is protected in compliance with the Data Protection Act is a requirement of __(75)__.
（74）应选？A.functional requirements
B.technical requirements
C.operational requirements
D.information requirements
考题
单选题Which of the following activities would help students develop the skill of extracting specific information?A
Infering meaning from the contextB
Reconizing the author’s belief and attitudes.C
Using information in the reading passage to make hypothesesD
Listening to the flight information to see if the plane in on time!
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