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【多选题】
比较相对指标可用于A.
不同国家、地区和单位之间的比较
B.
不同时期的比较
C.
实际水平与计划水平的比较
D.
落后水平与先进水平的比较
E.
实际水平与标准水平或平均水平的比较
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Scientists have made a new computer program ________ allows the computer to cry out for help if someone has stolen it. [ ]
A.
who
B.
which
C.
what
D.
when
【简答题】设f(x)有一个原函数 ，则 ______.
【简答题】PH 检测常用( )为正极,以( )为负极。
【单选题】A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?
A.
All defined VLANs are allowed on the trunk by default.
B.
Each VLAN, or VLAN range, that is specified with the switchport mode command.
C.
Each VLAN, or VLAN range, that is specified with the vtp domain command.
D.
Each VLAN, or VLAN range, that is specified with the vlan database command.
E.
None of the above
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