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【单选题】
How did Eiffel make the iron belt running from pillar to pillar perfectly horizontal?A.
He made a careful plan.
B.
He used hair to test whether the tower is tilting.
C.
He embedded water jack in the column.
D.
He deployed creeper cranes.
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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
【单选题】From the passage, we can learn that the simplest controller action is（）
A.
two-step controller action
B.
proportional, controller action
C.
integral controller action
D.
derivative controller action
【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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