皮皮学，免费搜题
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【单选题】
What kind of hair was called bobbed hair?A.
Short hair
B.
Long hair
C.
Curly hair
D.
Straight hair
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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】______ by the explosion, we all rushed out of the hall.
A.
Frighten
B.
Frightened
C.
Frightening
D.
To frighten
【单选题】We rushed out of the shop in hot pursuit, but the thief had _________ into thin air.
A.
appealed
B.
chuckled
C.
twisted
D.
vanished
【简答题】satirizestigmanoxiousblessingvirtuallyflutterlost onpromptcomplicationvanish2. We rushed out of the shop in hot pursuit, but the thief had _______ into thin air
【单选题】空载运行时,电源提供的功率转化为了变压器的空载损耗。 一次侧绕组铜耗远小于铁芯损耗,空载损耗主要是( )。 .
A.
铜耗
B.
铁芯损耗
C.
电阻损耗
D.
电流损耗
【简答题】(Frighten)———— by the explosion, we all rushed out of the hall.
【简答题】变压器空载运行时，所消耗的功率称为（），变压器的空载损耗，其主要部分是铁芯的（）损耗和（）损耗，铁芯损耗约与（）平方成正比。
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