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【单选题】
大蒜具有一定的抗病功能和食疗价值,大蒜新素(C 6 H 10 S 3 )是其有效成分之一.下列关于大蒜新素的说法正确的是(  )
A.
属于无机化合物
B.
相对分子质量为178g
C.
一个分子中含有三个硫原子
D.
C、H、S元素质量比为6:10:3
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参考答案:
举一反三
【单选题】your company has a server named FS1. FS1 hosts the domain-based DFS namespace named //contoso.com/dfs all domain users store their data in subfolders within the DFS namespace. You need to prevent all ...
A.
Run the dnscmd.exe //FS1/dfs /restore command on FS1.
B.
Configure the NTFS permissions for the C:/DFSroots/dfs folder on FS1. Set the create folders/append data special permission to deny for the authentjicated users group. Set the full control permission to allow for the administrators group.
C.
Start the delegate management permissions wizard for the dfs namespace named //contoso.com/dfs remove all groups that have permission type explicit except the administrators group.
D.
Configure the //fs1/dfs shared folder permissions. set the permissions for the authenticated users group to reader. Set the permissions for the administrations group to co-ower.
【单选题】斑疹伤寒的首选药物为
A.
多西环素
B.
阿莫西林
C.
卡那霉素
D.
头孢拉定
【单选题】治疗斑疹伤寒首选的药物是
A.
B.
C.
D.
E.
【单选题】下列化合物,没有光学活性的是
A.
B.
反-1-溴-3-氯环丁烷
C.
trans-1,2-二甲基环丙烷
D.
反-1,3-二溴环戊烷
【单选题】Your company has a server named FS1. FS1 hosts the domain-based DFS namespace named //contoso.com/dfs. All domain users store their data in subfolders within the DFS namespace. You need to prevent all...
A.
Run the dfscmd.exe //FS1/dfs /restore command on FS1.
B.
Configure the NTFS permissions for the C:/DFSroots/dfs folder on FS1. Set the Create folders/append data special permission to Deny for the Authenticated Users group. Set the Full Control permission to Allow for the Administrators group.
C.
Start the Delegate Management Permissions Wizard for the DFS namespace named //contoso.com/dfs. Remove all groups that have the permission type Explicit except the Administrators group.
D.
Configure the //FS1/dfs shared folder permissions. Set the permissions for the Authenticated Users group to Reader. Set the permissions for the Administrators group to Co-owner.
【单选题】斑疹伤寒首选药物是
A.
氨基糖苷类
B.
四环素类
C.
大环内酯类
D.
磺胺类
E.
头孢菌素类
【单选题】下列化合物没有光学活性的是:( )
A.
B.
C.
D.
D
【简答题】写出下图从顶点1开始的:DFS树。
【单选题】下列说法中正确的是
A.
空气中的氧气主要来自于植物的光合作用
B.
氧气的化学性质很活泼,在常温下能与所有物质发生化学反应
C.
工业上分离液态空气制氧气的过程属于分解反应
D.
没有二氧化锰作催化剂,过氧化氢溶液就不会产生氧气
【单选题】DFS包括独立DFS根和()根
A.
域DSF根
B.
域DFS根
C.
DFS根
D.
域根
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