单选题
发布日期:2020-04-10
William used the Flashback Version Query feature.
William issued the CROSSCHECK command at the RMAN prompt.
William viewed the alert log file.
William used the Flashback Table feature.
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TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN. Which of the following commands could fix this problem?()
全面性强直—阵挛发作临床特征是什么?
用四辊压延机压延薄膜时各辊筒间为什么要保持一定的温差速比?
关于检验项目选择的经济性原则,下列哪项正确?( )
男性,35岁。骨盆被重物挤压伤2小时入院。查体:P120次/分,BP80/50mmHg。面色苍白。全腹压痛、反跳痛,肌紧张明显,以下腹部为甚。移动性浊音(+)。骨盆X线平片:髂骨线性骨折。经补液后,生命体征平稳,但仍无尿,留置导尿管仅有50ml尿液流出,淡红色。治疗宜采取()。
作为一名语文教师,我热爱我的工作,注意在学习中激发学生学习兴趣,让他们主动参与到教学过程中来。但是,我真的感觉学生有的时候实在是太吵闹了。在讲课过程中,有的学生会在下面说话或插话进来;在自学或做练习时,有的学生会在那里窃窃私语或很自由地讨论问题;在课堂讨论的时候更是难以把握,学生会争论不休;在课间休息时更是乱作一团…… 如果你是这位老师,对于课堂吵闹的现象,你的基本态度和常规做法是什么?
光纤之父”是指()
下列所属的哪些技术或设备可以减少网络间的广播流量()
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