【单选题】【消耗次数：1】
You mustn’t lend it [填空] others.
①
from
②
to
③
for
④
in
参考答案：
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—Do you mind if Charlie borrows a few hundred dollars from you?—Im afraid I do. Ill be glad to lend money to _____ but Charlie.
①
someone
②
everyone
③
anyone
④
no one
【单选题】
Woman: Bob, do you think you can lend me fifty dollars? Bob: Let me see. ____
①
You know I have no money at all.
②
Sorry, I don’t think I have much with me.
③
I don’t think you should do it.
④
Oh, I have quite a lot.
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You may choose anyone from the six popular [填空] of ice cream!
①
flavors
②
flavor
③
flavoring
④
favor
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Do you mind telling me where you’re from?
①
Certainly. I’m from London
②
Sure. I was born in London
③
Not really, you can do it
④
Certainly not. I’m from London
【单选题】
Mr. Kent is one of those happy people whopleasure from helping others.
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deceive
②
deprive
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devise
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derive
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I am not sure whether I can gain any profit from the investment, so I can’t make a(n) ____ tohelp you.
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exact
②
defined
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definite
④
sure
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<img src=https://huaweicloudobs.ahjxjy.cn/08AE62EB3E6E1A0F7375E411FA7E1DBD.png title=11.png alt=11.png/><img src=https://huaweicloudobs.ahjxjy.cn/83D90C9AD3878CB7ACCFD913E8BD2466.png title=12.png alt=12.png/>
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正确
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设A为n阶实对称矩阵，则（ ）。
①
A的n个特征向量两两相交
②
A的n个特征向量组成单位正交向量组
③
<img src=https://huaweicloudobs.ahjxjy.cn/4AF9B3379B48561D564A85A35D4A6C51.png title=QQ图片20160108180216.png alt=QQ图片20160108180216.png/>
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<img src=https://huaweicloudobs.ahjxjy.cn/46371AC9656CCBCDE75D4732FDAF3336.png title=QQ图片20160108174303.png alt=QQ图片20160108174303.png/><img src=https://huaweicloudobs.ahjxjy.cn/D21D396B38AA2D3311B32DFF3B429B81.png title=QQ图片20160108174314.png alt=QQ图片20160108174314.png/>
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②
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③
<img src=https://huaweicloudobs.ahjxjy.cn/06E8BAAD1ECEC250DA5ABDFFBAEA1A82.png title=QQ图片20160108174346.png alt=QQ图片20160108174346.png/>
④
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矩阵A与B相似的充分条件是（ ）。
①
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②
<img src=https://huaweicloudobs.ahjxjy.cn/DFA6EB0D7CAC4FF35D5ED8CC2BE14BD8.png title=QQ图片20160108174950.png alt=QQ图片20160108174950.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B525686750D80F9461E07C1B56EC77FC.png title=QQ图片20160108174959.png alt=QQ图片20160108174959.png/>
④
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①
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②
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③
<img src=https://huaweicloudobs.ahjxjy.cn/D628A420D246559BC89C82DD765C7851.png title=QQ图片20160108174700.png alt=QQ图片20160108174700.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CB1F85A219E9DE2CC60C4652AAE9FFB1.png title=QQ图片20160108174710.png alt=QQ图片20160108174710.png/>
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<img src=https://huaweicloudobs.ahjxjy.cn/E537FF2FA077964ED70326F7AB357758.png title=2.png alt=2.png/>
①
4
②
-3
③
-4
④
3
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①
-1
②
0
③
1
④
2
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①
正确
②
错误
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①
正确
②
错误