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【判断题】
线性变换在不同基下所对应的矩阵是相似的。反之,如果两个矩阵相似,那么它们可以看作同一个线性变换在两组基下所对应的矩阵。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】--- ? --- The one on the desk.
A.
Where is your book
B.
Which book do you want
C.
What’s on the desk
D.
Whose book is on the desk
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【单选题】听力原文：F: Is this your book, Steven? M: No, it isn't mine. It's Sam's. Whose book is it?
A.
It's Sam's.
B.
It's Steven's.
C.
It's mine.
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