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【多选题】
可以通过观察以下那个部件来判断变压器油的品质?( )A.
吸湿器
B.
瓦斯继电器
C.
吸湿器
D.
油位计
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反馈参考答案：
举一反三
【简答题】人员促销亦称直接促销，它主要适合于消费者数量多、比较分散情况下进行促销：( )
【单选题】The charity show was a great__________. We have raised much money for Wuhan.
A.
success
B.
surprise
C.
suggestion
【单选题】The Charity show was a big _______. We have raised much money for Project Hope.
A.
surprise
B.
success
C.
suggestion
D.
stress
【简答题】We are surprised that the students _____ raised so much money. (they)
【单选题】They raised the question ________ we were to get so much money.
A.
that
B.
what
C.
where
D.
whether
【单选题】关于CRH2动车组牵引传动系统，下列说法正确的是（ ）
A.
牵引变压器采用芯式结构变压器
B.
牵引变流器的3个逆变电路模块驱动4台交流电动机
C.
8节编组的动车组由3个动力单元构成
D.
变流器中间环节直流电路设有谐波滤波器
【单选题】The charity show was a big ______. We have raised much money for Project Hope.
A.
surprise
B.
success
C.
suggestion
D.
stress
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