题目内容

上面的对角矩阵可以称为。

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二次型的话简主要是。

She would like to book a single room with a private bath, overlooking the park preferably.

A. 对
B. 错

Each room is air-conditioned and has a freezer and cold water.

A. 对
B. 错

The hotel has three restaurants and a bar nearby.

A. 对
B. 错