● 下列关于工程变更监控的表述正确的有___(58)___。
①不论从哪一方提出设计变更均应征得建设单位同意
②任何工程变更必须由设计单位出具变更方案
③不论哪一方提出工程变更,均应由总监理工程师签发《工程变更单》
④工程变更由实施单位负责控制
(58)A. ①、③ B. ①、③、④ C. ①、②、③ D.③
● 根据《合同法》的规定,下列合同中,属于无效合同的是___(59)___。
(59)A. 一方以欺诈、胁迫的手段订立合同
B. 在订立合同时显失公平的
C. 以合法形式掩盖非法目的
D. 因重大误解订立的
● 进度控制应该遵循的原则有___(60)___。
①工程进度控制的依据是建设工程施工合同所约定的工期目标
②发挥经济杠杆的作用,用经济手段对工程进度加以影响和制约
③以质量预控为重点,对工程施工全过程实施质量控制
④在确保工程质量和安全的原则下,控制工程进度
(60)A. ①、②、④ B. ①、③、④ C. ①、②、③ D. ①、②、③、④
● 某软件工程项目各开发阶段工作量的比例如下表所示
需求分析 |
概要设计 |
详细设计 |
编码 |
测试 |
0.29 |
0.13 |
0.17 |
0.10 |
0.31 |
假设当前已处于编码阶段,3000 行程序已完成了1200 行,则该工程项目开发进度已完成的比例是____(61)___ 。
(61)A.29% B.45% C.59% D.63%
● 在选择多媒体数据压缩算法时需要综合考虑___(62)___。
(62)A. 数据质量和存储要求 B. 数据的用途和计算要求
C. 数据质量、数据量和计算的复杂度 D. 数据的质量和计算要求
● 在MPEG系列标准中,___(63)___最适合在共用电话交换网(PSTN)上实时传输视频数据。
(63)A. MPEG-1 B. MPEG-2 C. MPEG-4 D. MPEG-7
● 要在网络上发布彩色动画文件,可以采用的存储格式是___(64)___。
(64)A.BMP B.JPEG C.MP3 D.GIF
●为保证用户在网络上边下载边观看视频信息,需要采用____(65)___技术。
(65)A.流媒体 B.数据库 C.数据采集 D.超链接
● MIDI enables people to use ___(66)___computers and electronic musical instruments. There are actually three components to MIDI, the communications "___(67)___", the Hardware Interface and a distribution ___(68)___called "Standard MIDI Files". In the context of the WWW, the most interesting component is the ___(69)___Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol ___(70)___are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.
(66)A.personal B.electronic C. multimedia D. network
(67)A.device B.protocol C. network D. controller
(68)A.format B.text C. wave D. center
(69)A.Video B.Faxmail C. Graphic D. Audio
(70)A.messages B.packets C.frame D.information
● Certificates are ___(71)___ documents attesting to the ___(72)___ of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to ___(73)___someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an ___(74)___date, the name of the CA that issued the certificate, a serial number, and perhaps other information. Most importantly, it contains the digital ___(75)___ of the certificate issuer. The most widely accepted format for certificates is X.509 , thus, Certificates can be read or written by any application complying with X.509.
(71)A.text B.data C.digital D.structured
(72)A.connecting B.binding C.composing D.conducting
(73)A.impersonate B.personate C.damage D.control
(74)A.communication B.computation C.expectation D.expiration
(75)A.signature B.mark C.stamp D.hypertext
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