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【多选题】
下列属于新课程背景下的教师知识结构的是A.
广博的普通文化知识
B.
掌握一门扎实的专业知识
C.
系统的学科专业知识(本体性知识)
D.
坚实的教育专业知识(条件性知识)
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反馈参考答案：
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】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】A personal computer attached to a LAN is referred to as a _________ .
A.
host
B.
router
C.
gateway
D.
node
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