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【判断题】
现代金融业是市场经济的枢纽,但它本身却不是自由市场经济的产物。银行没有国家的支持,就无法维持下去。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Which of the following statements about the matrix experiment is true?
A.
The subjects have to be highly intelligent to solve the matrices.
B.
A research assistant helps to count the correct answers.
C.
The subjects are paid according to how fast they solve the matrices.
D.
The researcher designed a variety of conditions for the matrix test.
【简答题】For the matrices A and B below since AB , please give trace (BA)
【多选题】Which of the following equations are true for square matrices A and B?
A.
det(A+B)=det(A)+det(B)
B.
det(AB)=det(A)det(B)
C.
det(2A)=2det(A)
D.
det(AB)=det(BA)
【多选题】Let A be a singular nxn matrix, which of the following statements are true?
A.
det(A)=0.
B.
adj A is singular.
C.
Ax=b has infinitely many solution.
D.
for every nxn matrix B, AB is singular.
E.
A can be written by product of some element matrices.
【单选题】We usually fold a letter in thirds , and is more common.
A.
z-fold
B.
tri-fold
C.
None of the above
【单选题】Which type of pocket square fold is less suited for formal attire?
A.
Presidential fold
B.
One-tip-up fold
C.
Two-tips-up fold
D.
Crown fold
E.
Puff fold
【简答题】A．hole B．none C．old D．fold
【单选题】The greatest fold of peritoneum is
A.
superior duodenal fold
B.
greater omentum
C.
inferior duodenal fold
D.
median umbilical fold
E.
medial umbilical fold
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