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【单选题】
用 array 环境做分块矩阵,划分列的分快线是下面哪个命令?A.
hline
B.
vline
C.
|
D.
c
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反馈参考答案：
举一反三
【多选题】下列各项固定资产中,应计提固定资产折旧的有()。
A.
融资租赁方式租入的固定资产
B.
经营租赁方式租入的固定资产
C.
经营租赁方式租出的固定资产
D.
大修理期间停用的设备
【简答题】两种证券组成的投资组合其可行域是一条组合线，而由三种证券组成的投资组合其可行域是坐标系中的一个区域。（ ）
【多选题】When Benjamin failed to insert the key, how did he feel?
A.
He was not bothered in the least.
B.
He probably got as much pleasure out of the sounds the key made as he did those few times when the key actually found its way into the slot.
【简答题】He was very (talent) __________singer.
【简答题】完形填空。 Steve Morris was not a typical child. But when he was nine, his 1 to be typical was very strong. Of all the people Steve remembered, one woman, his primary-school teacher, Mrs Beneduci, 2 in his...
【简答题】一般线性规划问题的可行域是连续的，整数规划问题的可行域是()的。
【判断题】Because of Oppenheimer’s talent in physics, he was very welcomed by his teacher and fellow students in Germany.
A.
正确
B.
错误
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