【判断题】【消耗次数：1】
n维零向量是任何n维向量组的线性组合
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
在下列所指明的各向量组中，（ ）中的向量组是线性无关的．
①
向量组中含有零向量
②
任何一个向量都不能被其余的向量线性表出
③
存在一个向量可以被其余的向量线性表出
④
向量组的向量个数大于向量的维数
随机题目
【单选题】
Some famous singers live on the ____ from their record sales.
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salary
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price
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bill
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income
【单选题】
Lucy was ____ and quiet while her brother was sure and noisy.
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angry
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hungry
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painful
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shy
【单选题】
-Which job do you think I should take the counter’s job or the waiter’s job?-____.
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That’s all right
②
It’s your own matter
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It’s up to you
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It’s none of your business
【单选题】
30. -Would you like to have tea or coffee? - ____.
①
Either will do
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Neither do I
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It doesn’t matter
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Yes, please
【单选题】
While
reading the newspaper, ____.
①
a
colorful advertisement caught my eyes
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my attention was attracted by an advertisement
③
I
was attracted by a colorful advertisement
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What attracted my eyes was a colorful
advertisement
【单选题】
Although she was frightened, she answered with a ____ voice.
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quiet
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silent
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still
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calm
【单选题】
Neither Sandynor her brother ____ the concert.
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is going to
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are going to
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are going to go
④
is go