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【多选题】
党政军民学,东西南北中,领导一切的。必须增强____,自觉维护党中央权威和集中统一领导,自觉在思想上政治上行动上同党中央保持高度一致。
A.
政治意识
B.
大局意识
C.
核心意识
D.
看齐意识
E.
纪律意识
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举一反三
【单选题】Windows versions before Windows 95 ( ).
A.
are proprietary
B.
are not operating system at all
C.
rely on DOS as the operating system
D.
were the first successful graphical operating system
【简答题】(16分)结构的研究是有机化学最重要的研究领域。某有机物X(C 12 H 13 O 6 Br)分子中含有多种官能团,其结构简式下图 (其中I、II为未知部分的结构)。为推测X的分子结构,进行如下图所示的转化。 已知向D的水溶液中滴入FeCl 3 溶液显紫色,D分子中只有两种化学环境不同的氢原子,M、N互为同分异构体,M中含有一个六原子环,N能使溴的四氯化碳溶液褪色,G能与NaHCO 3 溶液反应。...
【简答题】A.DBMS B.Windows C.Application D.operating system
【单选题】Linux is a of the Unix operating system.
A.
background and foreground
B.
clone
C.
users and the operating system
D.
PCs, minicomputers, mainframes
E.
system calls
F.
snap
【单选题】Most of the host operating system provides a way for a system administrator to manually configure the IP information needed by a host .Automated configuration methods such as ______, are required to s...
A.
IPsec
B.
DHCP
C.
PPTP
D.
SOAP
【简答题】结构的研究是有机化学最重要的研究领域,某有机物X(C 12 H 13 O 6 Br)分子中含有多种官能团,其结构简式如下:(其中Ⅰ、Ⅱ为未知部分的结构)。 为推测X的分子结构,进行如下图转化: 已知向D的水溶液中滴入FeCl 3 溶液显紫色,对D的结构进行光谱分析,在氢核磁共振谱上显示只有两种信号。M、N互为同分异构体,M中含有一个六原子环,N能使溴的四氯化碳溶液褪色,G能与NaHCO 3 溶液反...
【单选题】● Most of the host operating system provides a way for a system administrator to manually configure the IP information needed by a host.Automated configuration methods, such as (72) , are required to ...
A.
IPsec
B.
DHCP
C.
PPTP
D.
SOAP
【简答题】什么是有机化学 答:有机化学是 研究有机化合物的 、 、 、 、 、 、及 等的一门科学。
【单选题】Which of the following is wrong about the operating system?
A.
Android and iOS dominate the current market for mobile operating systems, though there are still several others.
B.
A computer could have two or more operating systems from which the user chooses when the computer is turned on.
C.
Mobile devices, such as smartphones and tablet computers, have the same operating systems as those of a typical desktop or laptop computer.
D.
The operating system allows application software to access system resources, either directly or through other system software.
【简答题】结构的研究是有机化学最重要的研究领域。某有机物X(C 12 H 13 O 6 Br)分子中含有多种官能团,其结构简式如下,进行如下图转化 已知向D的水溶液中滴入FeCl 3 溶液显紫色,M、N互为同分异构体,M中含有一个六元环,N能使溴的四氯化碳溶液褪色,G能与NaHCO 3 溶液反应。请回答: (1)G分子所含官能团的名称是____________。 (2)D不可能发生的反应有(填序号)____...
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