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【简答题】
什么叫内部过电压和大气过电压?
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When he realized he had been suggested to sign the contract by intrigue, he threatened to start legal proceedings to cancel the agreement.
A.
elicited
B.
excited
C.
deduced
D.
induced
【单选题】(二内 027L ) 安装“左侧B柱下装饰总成(带隔音材料)”时,装饰总成与卡槽的间隙( )。
A.
(0+0.5)mm
B.
(0.5+0.5)mm
C.
(1 ±0.5)mm
【多选题】进入九十年代以来,我国优化出口商品结构的重点放在由主要出口( )
A.
、初级产品向主要出口工业制成品的转变
B.
、劳动密集型产品向主要出口资本密集型产品的转变
C.
、粗加工制成品向主要出口精加工制成品的转变
D.
、低附加值产品向主要出口高附加值产品的转变
E.
、浅加工产品向主要出口深加工产品的转变
【单选题】Only when he was put in prison,() how silly.
A.
he realized
B.
did he realize
C.
he realize
D.
do he realize
【多选题】According to the video, what two words are important to have the right environment in the business? (Two correct answer)
A.
Trust
B.
Danger
C.
Cooperation
D.
Protection
【单选题】Requiting two pilots is an important safety measurebecause __________.
A.
two pilots can oversee each other during the flight
B.
two pilots can take turns flying the plane
C.
when one is sick, the other will be able to take his/her place
D.
they help prevent deadly accidents
【多选题】进入九十年代以来，我国优化出口商品结构的重点放在由主要出口（）
A.
初级产品向主要出口工业制成品的转变
B.
劳动密集型产品向主要出口资本密集型产品的转变
C.
粗加工制成品向主要出口精加工制成品的转变
D.
低附加值产品向主要出口高附加值产品的转变
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