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【单选题】
铁心线圈中的铁心到达磁饱和时,则线圈电感 ( )。A.
变大；
B.
不变；
C.
变小；
D.
不定。
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皮皮学刷刷变学霸
举一反三
【单选题】Which statement is wrong about "single channel" recognition system and "multi-channel" recognition system?
A.
"Single channel" recognition system is designed to be used at the entrances to buildings.
B.
Multi-channel system can identify individuals in a crowd of up to 50 people within 3 seconds.
C.
"Multi-channel" recognition system uses groups of surveillance cameras.
D.
They are two of the main products sold by Hanwang.
【简答题】A．creation B．invention C．discovery D．recognition
【简答题】Recognition of a government
【单选题】ZFP64 ()是以 借贷 为记帐符号按 有借必贷借贷必等 的记账规则,反映 政府与事业单位会计对象具体内容增减变动情况 和结果的一种复式记账法。
A.
借贷记账法
B.
借袋记账法
C.
复和记账法
D.
复杂记账法
【简答题】识别反应(recognition response)
【单选题】Section B 6.
A.
Go to church.
B.
Work as a volunteer.
C.
Look after the sick.
D.
Raise some money.
【单选题】Section B 6.
A.
Pass a letter to Mr. Black.
B.
Talk to Mr. Black.
C.
See Mr. Black.
D.
Ask about Mr. Black.
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