题目内容
(请给出正确答案)
[单选题]
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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A.natural
B.neutral
C.nervous
D.native
A.def file_path(selt,request,response=None,into=None):
B.def completed(self,results,item,info):
C.det item_completed(self,results,item,into);:
D.det get_media_requests(self,item,info):
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