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【单选题】
已知 a 3 + b 3 + c 3 -3abc a+b+c =3 ，则（a-b） 2 +（b-c） 2 +（a-b）（b-c）的值为（ ）A.
1
B.
2
C.
3
D.
4
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】Which quotations below are analogies?
A.
Music is fluid architecture, and architecture frozen music. (F. W. J. Schelling)
B.
A novel is usually a long piece in prose.
C.
Life is like a coin. You can spend it anyway you wish, but you can only spend it once.
D.
He has many mouths to feed in his family.
【单选题】Comparisons and analogies work really well as _____ .
A.
weapons
B.
strength
C.
evidence
D.
statement
【简答题】已知主视图和俯视图，选出正确的左视图【图片】
【简答题】Personal ogies
【简答题】a wealth of ogies
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