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
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):
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
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
设A与B均为n,阶矩阵,且A与B合同,则().
A.A与B有相同的特征值
B.det A=det B
C.A与B相似
D.r(A)=r(B)
The author's attitude towards the hippie movement is one of
A. criticism.
B. sympathy.
C. detestation.
D. enthusiasm.
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
D.human can live without intellectual or emotional functions
在定理2.3.3(3)中,当det A=一1,n为奇数时,用不同于定理2.3.3(3)中的方法,而采用例2.3.2中的方法证明:
.并说明当n为偶数时,上述方法失效.
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
D.we not send our machines to a service technician for repair