5.下面哪个文法是右递归的() A. A E→TE|T B. T→aT C. E→(E) D. E→a ...
5.SPOOLing技术可以解决进程使用设备死锁问题。 A. 错误 B. 正确 ...
10.资源预先分配策略可以实现死锁的( )。 A. 预防 B. 避免 C. 检测 D. 恢复 ...
10.用户程序中的输入,输出操作实际上是由操作系统完成的。 A. 错误 B. 正确 ...
15.当( )时,进程从执行状态转变为就绪状态。 A. 进程被调度程序选中 B. 时间片到 C. 等待某一事件 D. 等待的事件发生 ...
5.设两个进程共用一个临界资源的互斥信号量mutex,当mutex=1时表示( )。 A. 一个进程进入了临界区,另一个进程等待 B. 没有一个进程进入临界区 C. 两个进程都进入了临界区 D. 两个进程都在等待 ...
5.互斥地使用临界资源是通过互斥地进入临界区实现的。 A. 错误 B. 正确 ...
10.在进程状态转换时,下列( )转换是不可能发生的。 A. 就绪态→运行态 B. 运行态→就绪态 C. 运行态→阻塞态 D. 阻塞态→运行态 ...
5.成本计算品种法的特点有() A. 适用于大量大批单步骤生产 B. 成本计算定期按月进行 C. 在单步骤生产企业一般不计算月末在产品成本 D. 在多步骤生产但不需分步骤计算成本的企业,一般需要将费用在完工产品与月末在产品之间分配 ...
5.决定成本计算对象的因素是生产特点和() A. 成本计算实体 B. 成本计算时期 C. 成本管理要求 D. 成本计算方法 ...
10.受生产特点和管理要求的影响,成本计算对象有以下几种形式() A. 产品品种 B. 产品类型 C. 产品批别 D. 产品生产步骤 ...
10.如果某种产品所耗原材料费用在产品成本中所占比重很大,在产品成本的确定可使用的方法是() A. 约当产量法 B. 在产品按固定成本法 C. 在产品按所耗原材料费用计算法 D. 在产品按完工产品成本法 ...
13.选择题:世界杯是什么颜色的或许是足球的黑白相间之色,或许是芳草茵茵的绿色,然而在国际足联看来,世界杯的每一个细胞都洋溢着财富的金色,在将足球魅力传播到世界每一个角落的同时,这个单项体育行业协会也像一个跨国垄断公司,将足球的商业价值挖掘到极致。...
3.选择题:1956年,日益走红的“猫王”首次去好莱坞拍了电影《温柔地爱我》。电影拍成后,仅放映4天就收回了成本。这个记录保持了近20年,才被《星球大战》这部影片打破。这段文字重点说明:( ) A. 《温柔地爱我》放映时受欢迎的程度 B. ...
(单选题) 56: You can’t be _________ careful in making the decision as it was such a critical case. A: so B: very C: too D: much ...
(单选题) 46: I am afraid of that I can't help you, I feel _________ to do that. A: being obliged B: oblige C: obliged D: obliging ...
(单选题) 36: Good morning, may I speak to Mark, please _________ A: Who's there B: Who's speaking C: Who are you D: Who wants to speak to Mark ...
(单选题) 26: The red flower goes from one to _______ in the class A: the other B: others C: another D: other ...
(单选题) 16: The toy boat turned over and sank to the _______ of the pool. A: base B: depth C: ground D: bottom ...
(单选题) 6: This is the worst film ever produced. Do you think so________. A: You’re wrong. B: I don’t think so, I’m afraid. C: Not at all. D: No, that’s not real. ...
21.差分优化技术的优势在于:在诸如查询之类的应用中,响应的HTML数据流中包含了大量的不变信息(如图像、页头、页脚等) ,减少这些重复数据的传输量,对提高系统性能有着重要的意义。 A. 错误 B. 正确 ...
11.移动Agent是指一种能在异构计算机网络中的主机之间自主迁移、自主计算的计算机程序。 A. 错误 B. 正确 ...
1.移动性导致了移动终端的漫游、断接以及跨区,因此移动操作系统并不是孤立的嵌入式设备系统管理功能的设计问题。 A. 错误 B. 正确 ...
6.Agent的()为分布式应用提供方便、高效和鲁棒的 执行框架。 A. 自治性 B. 互操作性 C. 反应性 D. 移动性 ...
16.寻找和发现具有现代民主政治思想和理念的政治领导人是实现政治民主的唯一途径 A. 错误 B. 正确 ...
16.社会主义时期处理民族问题的基本原则是实行民族区域自治政策。 A. 错误 B. 正确 ...
6.坚决开展反腐败斗争是新时期党风建设的一项重大任务。 A. 错误 B. 正确 ...
34.He is always here. It’s ____ you’ve never met him. A. unique B. strange C. rare D. peculiar ...
24.We should not talk about other people’s ______ life. A. private B. individual C. own D. specific ...
14.Unfortunately he could not ______ the danger at that time. A. prepare B. pretend C. perform D. perceive ...
4.Computer technology will _____ a revolution in business administration. A. bring around B. bring about C. bring down D. bring up ...
34.I want to go to the dentist, but you ______ with me. A. need not to go B. do not need go C. need not go D. need go not ...
24.Within two days, the army fired more than two hundred missiles at military _____in the coastal city. A. goals B. aims C. targets D. destinations ...
14.My brother’s plans are very ; he wants to master English, French and Spanish before he is sixteen. A. abundant B. ambitious C. arbitrary D. aggressive ...
4.When he was a boy he ________ his talent for writing. A. demonstrated B. clarified C. illustrated D. approved ...
34.“Do you know that girl with the long hair” “I don’t think so, although she ____________ me of someone else I know.” A. remembers B. recalls C. reminds D. suggests ...
24.I think we should let Mary to go camping with her boyfriend. ______ she is a big girl now. A. Above all B. First of all C. For all D. After all ...
14.It was not until 1920 ______ regular broadcast began. A. while B. which C. that D. since ...
4.I’m glad ____________ to look around your research center. A. to allow B. having allowed C. to be allowed D. being allowed ...
34.She is too shy to feel _____ at such a party. A. at the ease B. on her ease C. for ease of her D. at ease ...
24.____________, Miss Brown decided to take a taxi. A. She thought she must be late B. Being thought she must be late C. When thought she must be late D. Thinking she must be late ...
14.I became a teacher because I _____ books to business. A. wanted B. liked C. preferred D. had ...
4.Ms. Wright demanded that the urgent report ____________ on her desk by 5 p.m. today. A. should put B. will be put C. is put D. be put ...