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设个体域为整数集，下列公式中其值为1的是（）
 

设f（x）的一个原函数为x³，则xf（1-x²）dx=（）
 

设有两个事务T1、T2，其并发操作如图1所示，下面评价正确的是（）

For each blank, choose the best answer from the four choices and write down on the answer sheet.
When we just had text on screen, the basic user interface was a DOS  （）  or maybe a simple list of choices. Now that we have graphics and text at the same time, we can have a much mom intuitive mouse - driven graphics based user interface with  （）  menus, as in the Macintosh, Microsoft Windows, and Presentation Manager. When we can add photograph - quality images, animation, good -quality sound, and interactivity, then we ought to be able to make computers much more powerful - and much easier to use. That’s tile concept behind  （）  , the newest buzzword. Multimedia, which typically refers to a synthesis of graphics, animation, optical storage, image processing, and sound, is not a single technology, product, or market. Instead, it is a collection of technologies that proponents believe will one day be joined together. So far, most of the activity in Multimedia has taken place on the Macintosh and on the Amiga because of their （）  graphics and sound features but you can expect this technology to spread to other  （）

软件方法学是以软件方法为研究对象的学科。软件工程是一门指导计算机软件（）维护的工程学科。描述软件开发过程中各种活动如何执行的模型来看，有瀑布模型，增量模型，螺旋模型，喷泉模型，基于知识的模型，变换模型等。其中传统的生命周期方法可用（）来模拟。应用传统的生命周期方法开发软件的过程中，首先进行软件定义，其中需求分析阶段用到的工具有（）。软件开发中测试是非常重要的一环。测试的目的是（）。软件开发交付用户使用之后就要进行软件维护，软件维护的方法有四种：校正性维护、适应性维护、（）。 
供选择的答案：

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
In recent years, there has been a dramatic increase in the range of media used to  （）  information. Initially, communication was limited to simple forms of  （）  such as voice and paper. This century, however, has witnessed the introduction of a greater variety of media types such as the telephone and visual forms of media. In the latter part of the century, this trend has accelerated and there is now a wide range of media types available to convey information. These advances provide a great opportunity for new developments in a range of areas such as education and commerce. However, there are also a number of problems associated with the growth of  （）  in society. In particular, there is a great danger of creating information  （） . This problem can be seen, for example, in business where executives are required to make decisions based on an ever increasing variety and volume of information.  （）  problems are also occurring in areas such as government, health care and education.

若

UML（统一建模语言）支持的建模方式中不包括（），UML中不包括的事件有（）。其中表示对象相互行为的模型是（）模型。

数据库技术中采用分级方法将数据库的结构划分成多个层次，是为了提高数据库的（51）和（52）。

数据库系统由数据库、（）和硬件等组成，数据库系统是在（）的基础上发展起来的。数据库系统由于能减少数据冗余，提高数据独立性，并集中检查（），由此获得广泛的应用。数据库提供给用户的接口是（），它具有数据定义、数据操作和数据检查功能，可独立使用，也可嵌入宿主语言使用。（）语言已被国际标准化组织采纳为标准的关系数据库语言。

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
In recent years, there has been a dramatic increase in the range of media used to  （）  information. Initially, communication was limited to simple forms of  （）  such as voice and paper. This century, however, has witnessed the introduction of a greater variety of media types such as the telephone and visual forms of media. In the latter part of the century, this trend has accelerated and there is now a wide range of media types available to convey information. These advances provide a great opportunity for new developments in a range of areas such as education and commerce. However, there are also a number of problems associated with the growth of  （）  in society. In particular, there is a great danger of creating information  （） . This problem can be seen, for example, in business where executives are required to make decisions based on an ever increasing variety and volume of information.  （）  problems are also occurring in areas such as government, health care and education.

For each blank, choose the best answer from the four choices and write down on the answer sheet.
When we just had text on screen, the basic user interface was a DOS  （）  or maybe a simple list of choices. Now that we have graphics and text at the same time, we can have a much mom intuitive mouse - driven graphics based user interface with  （）  menus, as in the Macintosh, Microsoft Windows, and Presentation Manager. When we can add photograph - quality images, animation, good -quality sound, and interactivity, then we ought to be able to make computers much more powerful - and much easier to use. That’s tile concept behind  （）  , the newest buzzword. Multimedia, which typically refers to a synthesis of graphics, animation, optical storage, image processing, and sound, is not a single technology, product, or market. Instead, it is a collection of technologies that proponents believe will one day be joined together. So far, most of the activity in Multimedia has taken place on the Macintosh and on the Amiga because of their （）  graphics and sound features but you can expect this technology to spread to other  （）

软件方法学是以软件方法为研究对象的学科。软件工程是一门指导计算机软件（）维护的工程学科。描述软件开发过程中各种活动如何执行的模型来看，有瀑布模型，增量模型，螺旋模型，喷泉模型，基于知识的模型，变换模型等。其中传统的生命周期方法可用（）来模拟。应用传统的生命周期方法开发软件的过程中，首先进行软件定义，其中需求分析阶段用到的工具有（）。软件开发中测试是非常重要的一环。测试的目的是（）。软件开发交付用户使用之后就要进行软件维护，软件维护的方法有四种：校正性维护、适应性维护、（）。 
供选择的答案：

UML（统一建模语言）支持的建模方式中不包括（），UML中不包括的事件有（）。其中表示对象相互行为的模型是（）模型。

数据库技术中采用分级方法将数据库的结构划分成多个层次，是为了提高数据库的（51）和（52）。

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
In recent years, there has been a dramatic increase in the range of media used to  （）  information. Initially, communication was limited to simple forms of  （）  such as voice and paper. This century, however, has witnessed the introduction of a greater variety of media types such as the telephone and visual forms of media. In the latter part of the century, this trend has accelerated and there is now a wide range of media types available to convey information. These advances provide a great opportunity for new developments in a range of areas such as education and commerce. However, there are also a number of problems associated with the growth of  （）  in society. In particular, there is a great danger of creating information  （） . This problem can be seen, for example, in business where executives are required to make decisions based on an ever increasing variety and volume of information.  （）  problems are also occurring in areas such as government, health care and education.

数据库系统由数据库、（）和硬件等组成，数据库系统是在（）的基础上发展起来的。数据库系统由于能减少数据冗余，提高数据独立性，并集中检查（），由此获得广泛的应用。数据库提供给用户的接口是（），它具有数据定义、数据操作和数据检查功能，可独立使用，也可嵌入宿主语言使用。（）语言已被国际标准化组织采纳为标准的关系数据库语言。

软件方法学是以软件方法为研究对象的学科。软件工程是一门指导计算机软件（）维护的工程学科。描述软件开发过程中各种活动如何执行的模型来看，有瀑布模型，增量模型，螺旋模型，喷泉模型，基于知识的模型，变换模型等。其中传统的生命周期方法可用（）来模拟。应用传统的生命周期方法开发软件的过程中，首先进行软件定义，其中需求分析阶段用到的工具有（）。软件开发中测试是非常重要的一环。测试的目的是（）。软件开发交付用户使用之后就要进行软件维护，软件维护的方法有四种：校正性维护、适应性维护、（）。 
供选择的答案：

For each blank, choose the best answer from the four choices and write down on the answer sheet.
When we just had text on screen, the basic user interface was a DOS  （）  or maybe a simple list of choices. Now that we have graphics and text at the same time, we can have a much mom intuitive mouse - driven graphics based user interface with  （）  menus, as in the Macintosh, Microsoft Windows, and Presentation Manager. When we can add photograph - quality images, animation, good -quality sound, and interactivity, then we ought to be able to make computers much more powerful - and much easier to use. That’s tile concept behind  （）  , the newest buzzword. Multimedia, which typically refers to a synthesis of graphics, animation, optical storage, image processing, and sound, is not a single technology, product, or market. Instead, it is a collection of technologies that proponents believe will one day be joined together. So far, most of the activity in Multimedia has taken place on the Macintosh and on the Amiga because of their （）  graphics and sound features but you can expect this technology to spread to other  （）

若

UML（统一建模语言）支持的建模方式中不包括（），UML中不包括的事件有（）。其中表示对象相互行为的模型是（）模型。

软件方法学是以软件方法为研究对象的学科。软件工程是一门指导计算机软件（）维护的工程学科。描述软件开发过程中各种活动如何执行的模型来看，有瀑布模型，增量模型，螺旋模型，喷泉模型，基于知识的模型，变换模型等。其中传统的生命周期方法可用（）来模拟。应用传统的生命周期方法开发软件的过程中，首先进行软件定义，其中需求分析阶段用到的工具有（）。软件开发中测试是非常重要的一环。测试的目的是（）。软件开发交付用户使用之后就要进行软件维护，软件维护的方法有四种：校正性维护、适应性维护、（）。 
供选择的答案：

数据库系统由数据库、（）和硬件等组成，数据库系统是在（）的基础上发展起来的。数据库系统由于能减少数据冗余，提高数据独立性，并集中检查（），由此获得广泛的应用。数据库提供给用户的接口是（），它具有数据定义、数据操作和数据检查功能，可独立使用，也可嵌入宿主语言使用。（）语言已被国际标准化组织采纳为标准的关系数据库语言。

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
In recent years, there has been a dramatic increase in the range of media used to  （）  information. Initially, communication was limited to simple forms of  （）  such as voice and paper. This century, however, has witnessed the introduction of a greater variety of media types such as the telephone and visual forms of media. In the latter part of the century, this trend has accelerated and there is now a wide range of media types available to convey information. These advances provide a great opportunity for new developments in a range of areas such as education and commerce. However, there are also a number of problems associated with the growth of  （）  in society. In particular, there is a great danger of creating information  （） . This problem can be seen, for example, in business where executives are required to make decisions based on an ever increasing variety and volume of information.  （）  problems are also occurring in areas such as government, health care and education.

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
In recent years, there has been a dramatic increase in the range of media used to  （）  information. Initially, communication was limited to simple forms of  （）  such as voice and paper. This century, however, has witnessed the introduction of a greater variety of media types such as the telephone and visual forms of media. In the latter part of the century, this trend has accelerated and there is now a wide range of media types available to convey information. These advances provide a great opportunity for new developments in a range of areas such as education and commerce. However, there are also a number of problems associated with the growth of  （）  in society. In particular, there is a great danger of creating information  （） . This problem can be seen, for example, in business where executives are required to make decisions based on an ever increasing variety and volume of information.  （）  problems are also occurring in areas such as government, health care and education.

数据库系统由数据库、（）和硬件等组成，数据库系统是在（）的基础上发展起来的。数据库系统由于能减少数据冗余，提高数据独立性，并集中检查（），由此获得广泛的应用。数据库提供给用户的接口是（），它具有数据定义、数据操作和数据检查功能，可独立使用，也可嵌入宿主语言使用。（）语言已被国际标准化组织采纳为标准的关系数据库语言。

软件方法学是以软件方法为研究对象的学科。软件工程是一门指导计算机软件（）维护的工程学科。描述软件开发过程中各种活动如何执行的模型来看，有瀑布模型，增量模型，螺旋模型，喷泉模型，基于知识的模型，变换模型等。其中传统的生命周期方法可用（）来模拟。应用传统的生命周期方法开发软件的过程中，首先进行软件定义，其中需求分析阶段用到的工具有（）。软件开发中测试是非常重要的一环。测试的目的是（）。软件开发交付用户使用之后就要进行软件维护，软件维护的方法有四种：校正性维护、适应性维护、（）。 
供选择的答案：

For each blank, choose the best answer from the four choices and write down on the answer sheet.
When we just had text on screen, the basic user interface was a DOS  （）  or maybe a simple list of choices. Now that we have graphics and text at the same time, we can have a much mom intuitive mouse - driven graphics based user interface with  （）  menus, as in the Macintosh, Microsoft Windows, and Presentation Manager. When we can add photograph - quality images, animation, good -quality sound, and interactivity, then we ought to be able to make computers much more powerful - and much easier to use. That’s tile concept behind  （）  , the newest buzzword. Multimedia, which typically refers to a synthesis of graphics, animation, optical storage, image processing, and sound, is not a single technology, product, or market. Instead, it is a collection of technologies that proponents believe will one day be joined together. So far, most of the activity in Multimedia has taken place on the Macintosh and on the Amiga because of their （）  graphics and sound features but you can expect this technology to spread to other  （）

For each blank, choose the best answer from the four choices and write down on the answer sheet.
When we just had text on screen, the basic user interface was a DOS  （）  or maybe a simple list of choices. Now that we have graphics and text at the same time, we can have a much mom intuitive mouse - driven graphics based user interface with  （）  menus, as in the Macintosh, Microsoft Windows, and Presentation Manager. When we can add photograph - quality images, animation, good -quality sound, and interactivity, then we ought to be able to make computers much more powerful - and much easier to use. That’s tile concept behind  （）  , the newest buzzword. Multimedia, which typically refers to a synthesis of graphics, animation, optical storage, image processing, and sound, is not a single technology, product, or market. Instead, it is a collection of technologies that proponents believe will one day be joined together. So far, most of the activity in Multimedia has taken place on the Macintosh and on the Amiga because of their （）  graphics and sound features but you can expect this technology to spread to other  （）