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Mr.Henderson was determined to remain ().He neither stood on his wife's side nor on his mother's side.

A.natural

B.neutral

C.nervous

D.native

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第1题
candidate/ˈkændɪˌdet,-dɪt/()

A.候选人,候补者

B.应试者

C.被认为是合适者

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第2题
写出4阶行列式det(aij)中所带负号并且包含因于a23的项.
写出4阶行列式det(aij)中所带负号并且包含因于a23的项.

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第3题
设A为四阶矩阵,已知|A|=a≠0,计算行列式det(|A*|A)
设A为四阶矩阵,已知|A|=a≠0,计算行列式det(A*|A)

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第4题
ImagesPipeline类中,返回item对象,给下一执行的管道类的方法是()。

A.def file_path(selt,request,response=None,into=None):

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C.det item_completed(self,results,item,into);:

D.det get_media_requests(self,item,info):

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第5题
As used in the last sentence, the phrase "in short" means ______.A.in the long runB.in det

As used in the last sentence, the phrase "in short" means ______.

A.in the long run

B.in detail

C.in a word

D.in the end

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第6题
设A与B均为n阶方阵,则下列结论成立的是()。

A.det(AB)=0,则4=O,或B=O

B.det(AB)=0,则detA=0,或detB=0

C.AB=O,则4=0,或B=O

D.AB≠O,则detA≠0,或detB≠0

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第7题
设A.B均为n阶矩阵,则下列正确的为()。A.det(A+B)=detA+detBB.AB=BAC.det(AB)=det(AB)D.(A-B)2=A

设A.B均为n阶矩阵,则下列正确的为()。

A.det(A+B)=detA+detB

B.AB=BA

C.det(AB)=det(AB)

D.(A-B)2=A2-2AB+B2

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第8题
According to the third paragraph, ______.A.the volume of the side section of the brain det

According to the third paragraph, ______.

A.the volume of the side section of the brain determines the human character

B.the front section of the brain controls function of eating

C.the front section of the brain does not contract with age

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第9题
In dealing with today's viruses, the author suggests that A.we count on our automated virus det

In dealing with today's viruses, the author suggests that

A.we count on our automated virus detection tools ______.

B.we use our intuition

C.we make strict rules

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第10题
Dr. Bruce McEwen of Rockefeller University believes that ______.A.a person's memory is det

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D.a person's memory improves with continued experience of stress

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第11题
对于矩阵A=[2 0 4;1 3 5;6 9 8],以下结果或描述不正确的是()。

A.det(A)=78

B.rank(A)=3

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