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【单选题】
线路首端和末端电压的差值叫做（）A.
电压闪变
B.
电压偏差
C.
电压损耗
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】What did the waitress wrap for Lisa?
A.
The rest of her fish.
B.
Some doggie food.
C.
Some dessert.
【单选题】What did the lady suggestif the waitress wanted to pay her back?A.Tryingto help others．###
A.
What did the lady suggestif the waitress wanted to pay her back? A.Tryingto help others．
B.
Working harder in the future．
C.
Keepingsmiling all the time．
D.
Givingmoney to those in need．
【单选题】The waitress did bring us clean plates eventually, but with ____________.
A.
gracelessness
B.
no grace
C.
a bad grace
D.
gracefulness
【简答题】日最低气温出现的时间通常:( )
【简答题】The waitress did bring us clean plates ually, but __________ .
【简答题】The waitress did bring us clean plates ually, but____.
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