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【多选题】
关于参考点与电位,说法正确的有A.
参考电位点变化,电路中点电位也会发生变化
B.
电路中某点电位发生变化,可能是参考电位点选取发生
C.
电路中参考点可以变化时,电位不会变化
D.
电路中电位变化,而参考点电位也变化
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举一反三
【单选题】The Oompa-Loompas sang a song in which Miss Bigelow ________.
A.
Became unable to think on her own.
B.
Chewed off her own tongue.
C.
Died of obesity（肥胖）
D.
Lost all her friends.
【单选题】When a 13-year-old Virginia girl started sneezing, her parents thought it was merely a cold. But when the sneezes continued for hours, they called in a doctor. Nearly two months later the gift was sti...
A.
was ill
B.
was mentally ill
C.
was afraid of falling ill
D.
had attracted world-wide attention
【单选题】The Oompa-Loompas thought that Augustus Gloop was _________.
A.
a winner
B.
brave
C.
repulsive
D.
kind-hearted
【单选题】The Oompa-Loompas’ favorite food was ___.
A.
Cacao beans
B.
Marshmallows
C.
Human beings
D.
Gummy bears
【单选题】When a 13-year-old Virginia girl started sneezing, her parents thought it was merely a cold. But when the sneezes continued for hours, they called in a doctor. Nearly two months later the girl was sti...
A.
was ill
B.
was mentally ill
C.
was afraid of falling ill
D.
had attracted world-wide attention
【单选题】When a 13-year-old Virginia girl started sneezing, her parents thought it was merely a cold. But when the sneezes continued for hours, they called in a doctor. Nearly two months later the girl was sti...
A.
was badly ill
B.
was mentally superstitious
C.
was afraid of falling ill
D.
had attracted world-wide attention
【简答题】When a 13-year-old Virginal girl started sneezing, her parents thought it was merely a cold. But when the sneezes continued for hours, they called in a doctor. Nearly two months later the girl was sti...
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