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【单选题】
Your network contains three Active Directory forest named Forest1， Forest2， and Forest3. Each forest contains three domains. A two-way forest trust exists between Forest1 and Forest2. A two-way forest trust exists between Forest2 and Forest3. You need to configure the forest to meet the following requirements Users in Forest3 must be able to access resources in Forest1. Users in Forest1 must be able to access resources in Forest3. The number of trusts must be minimized. What should you do（）A.
In Forest2， modify the name suffix routing settings.
B.
In Forest1 and Forest3， configure selective authentication.
C.
In Forest1 and Forest3， modify the name suffix routing settings.
D.
Create a two-way forest trust between Forest1 and Forest3.
E.
Create a shortcut trust in Forest1 and a shortcut trust in Forest3.
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【简答题】利用了橡胶材料吸震缓冲性能好、密封性能好的特点,与强度高、刚性好的异性钢材组合,在大位移情况下能承受车辆荷载的伸缩装置是( )。
【简答题】“咆哮体”是指带许多什么标点符号的词或句子？
【多选题】Write down basic principles and applications of gas chromatography, high-performance liquid chromatography and capillary electrophoresis.
A.
CE: separations of large organic species on the basis of their rate of migration through a medium under the effect of an electrical gradient, which is determined by the mass and charge of the species, the permeability of the supporting medium, and of course the magnitude of the electrical gradient. Hence species can often be separated on the basis of differences with regard to these characteristics. Better resolution than for similar HPLC separations can thus be obtained. Detection of the eluted components is typically achieved using detectors based on molecular spectrometry.
B.
Gas chromatography: To provide the higher resolutions required by modern analyses, the use of long, small diameter capillary columns is the norm. Contemporary GC analysis of trace organic materials uses open tubular capillary columns where a liquid phase has been bound to the internal wall.
C.
HPLC is almost exclusively performed in the reverse phase mode (RP-HPLC), using stationary phases of silica gel derivatised with silylated aliphatic hydrocarbons such as octasilyl (C-8) and octadecylsilyl (ODS) moieties. These are used in conjunction with mobile phases that are predominantly aqueous. HPLC is of most utility where the organic analytes have a large molecular mass, and hence have low volatility, and where the molecule is polar or contains many polar substituents.
D.
Atomic absorption spectrometry (flame or electrothermal) (AAS, ET-AAS), atomic fluorescence spectrometry (AFS), inductively coupled plasma optical (or atomic) emission spectrometry (ICP-OES or ICP-AES), neutron activation analysis (NAA), X-ray fluorescence (XRF), proton-induced X-ray emission (PIXE), spark source or isotope dilution mass spectrometry (SSMS, IDMS), electrochemical (anodic stripping voltammetry and polarography) or inductively coupled plasma-mass spectrometry (ICP-MS).
【简答题】英译中:capillary column gas chromatography
【单选题】利用了橡胶材料吸震缓冲性能好、密封性能好的特点,与强度高、刚性好的异性钢材组合,在大位移情况下能承受车辆荷载的伸缩装置是( )。
A.
对接式伸缩装置
B.
钢制支承式伸缩装置
C.
橡胶组合剪切式伸缩装置
D.
模数支承式伸缩装置
【简答题】放大器中集电极负载电阻 R C 的作用。
【单选题】In the gas-liquid chromatography, the stationary phase in the column is ( )
A.
the general solid substance
B.
the solid adsorbent
C.
the support
D.
the support and the stationary liquid
【单选题】2017年3月5日,第十二届全国人大第五次会议在北京召开。李克强总理在《政府工作报告》中,积极回应了社会关切,对百姓关心的住房、医疗、养老、教育和就业等民生问题作出了务实的工作安排。总理强调重视民生最根本的原因是( )
A.
我国是公民当家作主的国家
B.
我国是人民民主专政的社会主义国家
C.
政府的职责、宗旨所在
D.
社会主义民主具有全民性
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