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【单选题】
( )发挥兜底作用,保障全社会成员基本生存与生活需要。A.
国民教育体系
B.
就业服务体系
C.
社会保障体系
D.
脱贫扶贫体系
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反馈参考答案：
举一反三
【单选题】Which of the following can help the pilot to keep contact with the air traffic controller?
A.
The screen.
B.
A computer.
C.
The passage doesn't mention it.
D.
Flight watch.
【单选题】The time program controller of the auxiliary boiler burner can not be a ____
A.
PLC
B.
Cam timer
C.
Flame detector
D.
Multi-circuit time relay
【单选题】A wireless controller can reside in how many mobility groups？（）
A.
two
B.
three
C.
four
D.
one
【简答题】CAN 是 Controller Area Network (——————) 的缩写 。
【多选题】On a pre-existing OAC, which three options can the Infranet Controller overwrite when the useraccesses the Infranet Controller?（）
A.
SSID
B.
login name
C.
MAC address
D.
wired adapters
E.
encryption method
【单选题】The time program controller of the auxiliary boiler burner can not be a ______.
A.
PLC
B.
cam timer
C.
flame detector
D.
multi-circuit time relay
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