【单选题】【消耗次数:1】
<img src=https://huaweicloudobs.ahjxjy.cn/907B0DB540558FA457B820A01CA8EB3B.png title=10-D.png alt=10-D.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/9BA70B6A62F086DFE8CA8FDF50D55DC9.png title=10-1.png alt=10-1.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/AC1B5760008F4493AF6BD1B594679D8A.png title=10-2.png alt=10-2.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/76D0270ABA783ACA5EA5A5FBCAD5FC0C.png title=10-3.png alt=10-3.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/50CABB450A274A538CC98D50DD2F0444.png title=10-4.png alt=10-4.png/>
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随机题目
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①  How many
②  How much
③  How often
④  How long
【单选题】 I asked some policemen to tell me the way home. They smiled and answered me_________ .
①  slowly
②  heavily
③  politely
④  rudely
【单选题】 You can increase your_________ a quarter or half mile every two weeks or so.
①  difficulty
②  discovery
③  disagreement
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②  information
③  idea
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①  正确
②  错误
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①  正确
②  错误
【判断题】 等价的向量组必有相同的秩。
①  正确
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①  正确
②  错误
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①  正确
②  错误