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【单选题】
一个行列式值为零的必要条件是A.
行列式中有两行或两列元素对应成比例
B.
行列式中有一行或一列元素
C.
各行元素之和为零或各列元素之和为零
D.
以行列式为系数行列式的线性方程组有非零解
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举一反三
【简答题】根据土石方表,桩号为3+000处的填方面积为( )m2,挖方面积为( )m2。
【单选题】The first 10 Constitutional Amendments ( the Bill of Rights) are about the fundamental rights of any American. Which of the following is NOT mentioned in the first 10 Bill of Rights?
A.
the freedom of religion
B.
the freedom of speech
C.
the freedom of the press
D.
the right to vote for every American
【单选题】The Bill of Rights
A.
explains the rights of Congress and the rights of the president.
B.
guarantees citizens of the United States specific individual rights and freedoms.
C.
is part of the Declaration of Independence.
【单选题】Which of the following is NOT guaranteed in the Bill of Rights?
A.
The freedom of religion.
B.
The freedom of searching a person ’s home by police.
C.
The freedom of speech and of the press.
D.
The right to own weapons if one wishes.
【简答题】The Bill of Rights
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