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【单选题】
电位存在时细胞膜所处的“内负外正”的稳定状态称为
A.
超极化
B.
去极化
C.
极化
D.
反极化
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【单选题】Thursday is______day of a week
A.
five
B.
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C.
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A.
popular
B.
more popular
C.
popularest
D.
most popular
【单选题】Thursday is ___ day of a week.
A.
five
B.
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C.
the fifth
D.
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A.
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B.
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C.
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A.
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B.
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C.
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D.
清除全部断点
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A.
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B.
酸碱度
C.
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D.
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【单选题】In Disney Land, customers can visit a fairy kingdom, a pirate ship, or even a haunted house. Disney is marketing a(n) _________.
A.
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B.
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C.
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D.
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