问题
选择题
—Would you like to go shopping with me ?
—______. Let's go to the supermarket. [ ]
A. Have a good time.
B. Yes, I'd love to.
C. It doesn't matter.
答案
答案：B
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—Would you like to go shopping with me ?
—______. Let's go to the supermarket. [ ]
A. Have a good time.
B. Yes, I'd love to.
C. It doesn't matter.
答案：B
，设d1是矩阵A属于特征值λ=1的特征向量，α2与α3是矩阵A属于特征值λ=5的特征向量，则矩阵P不能是