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【单选题】
基本的输入输出系统BIOS存储在下列何种存储介质中A.
系统RAM中
B.
硬盘
C.
DOS操作系统
D.
系统ROM中
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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
【单选题】设F(x)是函数f(x)在区间I上的原函数，则
A.
F(x)必是初等函数且有界．
B.
F(x)必是初等函数，但未必有界．
C.
F(x)在I上必连续且有界．
D.
F(x)在I上必连续，但未必有界．
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