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[单选题]
How many valence electrons does one carbon atom have?
A.5
B.2
C.3
D.4
提问人:网友lixin080108
发布时间:2022-01-07
A.5
B.2
C.3
D.4
In Jefferson's opinion, what could prevent tyranny and preserve freedom?
A.Suffrage and election.
B.Cheeks and balances.
C.The two politics to limit power and to control power.
D.The dividing of functions among many entities.
A、How many apples
B、How much bread
C、How much breads
D、How many food
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