进程进入终止状态后,就不能再执行,但在操作系统中仍保留一个记录,其中保存状态码和一些统计数据,供其他进程收集。
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以下关于挂起操作的原因叙述错误的是:
A. 终端用户可以根据自己的需要挂起自己的进程;
B. 操作系统根据负荷调节的需要挂起一些不重要的进程,以保证系统的正常运行;
C. 父进程可以挂起自己的某个子进程;
D. 当进程请求I/O操作时,需要进行挂起;
以下状态装换不可能发生的是:
A. 静止就绪到静止阻塞
B. 静止阻塞到静止就绪
C. 静止就绪到活动就绪
D. 静止阻塞到活动阻塞
选择合适的单词填空。填写选项即可。(课本P26 Words in use)A.dazzleB.destinedC.aggravate D.renownedE.scornF.indulgeG.alleviateH.propelI.applauseJ.eloquent1.Although he was a famous politician and Prime Minister of Great Britain, Churchill found time toin his hobbies of painting and gardening2.The young actress was lucky to get a major part in a movie which washer into fame overnight.3.The external debt problems in the developing countries throughout the world were furtherby the rise in interest rates.4.Watching the NBA is a visual treat; we are oftenby the skills of the best players in this sport.5.A new study published this week in the journalSciencesuggests that emotional tears may play a direct role instress.6.Many members of the academic staff are internationallyexperts who insist on methodical (有条理的) approaches to the analysis of society.7.He is nice and bright, and is always ready and determined to discuss the truth with histongue.8.His attempt to control the meeting and to convince everyone to get the tax law passed will beto fail.9.Hesocial norms and politeness, and always said exactly what he felt: He was progressively rejected by many colleagues because of this behavior.10.At a conference in Beijing, Mr. Li apparently received morethan any other speaker even though he made the shortest speech of the entire day.
以下哪些是平行蒙太奇的作用?
A. 扩大信息量
B. 相互烘托对比
C. 艺术感染强
D. 带有强烈的主观色彩