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【单选题】
设有一个无G=(V，E)和G′=(V′,E′)，如果G′为G的生成树，则下面不正确的说法是(40)。A.
G′为G的子图
B.
G′为G的极小连通子图且V′=V
C.
G′为G的一个无环子图
D.
G′为G的分量
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【单选题】He spent thirty minutes in finishing his homework.
A.
It took him half an hour to finish his homework.
B.
It takes him half an hour to finish his homework.
C.
It cost him half an hour to finish his homework.
D.
He spend half an hour to on finishing his homework.
【判断题】对于附或有应付条件的债务重组,债务重组利得为重组债务的账面价值与重组后债务的入账价值之间的差额,这部分利得应计入当期损益(营业外收入)。( )(1.0分)
A.
正确
B.
错误
【简答题】按要求改写下列句子。 1. He does his homework every morning.( 改为否定句) He _____ _____ his homework every morning. 2. The little boy has half a bottle of milk for lunch.(就画线部分提问) _____ _____ milk does the little bo...
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