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【单选题】
用绳子测量不规则图形的,体现的数学思想是A.
单位化思想
B.
转化思想
C.
极限思想
D.
分类思想
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下关于一个点的应力状态的描述正确的是________。
A.
一点处的总应力的大小与方向是唯一确定的。
B.
一点处的正应力的大小与方向是唯一确定的。
C.
一点处的切应力的大小与方向是唯一确定的。
D.
只知道点的位置，无法具体描述该点的总应力、正应力与切应力。
【单选题】Nelson Mandela opened a black law firm in order to ____.
A.
make money
B.
help the poor black people with their problems
C.
make himself famous
D.
study law
【单选题】In 1965, a new Voting Rights Bill became law, ________all black people had the right to vote from then on.
A.
by which
B.
that
C.
by what
D.
which
【单选题】The law of black-body radiation was given in 1900 by ( )?
A.
Rutherford
B.
Plank
C.
Bohr
D.
Boltzmann
【单选题】The law that segregated the black people from the 1860s until 1960s was _____.
A.
monroe doctrine
B.
bill of rights
C.
big stick
D.
Jim Crow Laws
【单选题】Mr. Black, ＿＿＿＿＿ born in Kentucky, lived and practiced law in Missouri.
A.
was
B.
he was
C.
although
D.
who he was
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