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五线制道岔表示电路给出表示的同时检查了转辙机的（）完好。
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C.
These roles were firmly fixed for most people， and there was not much opportunity for women to exchange their roles.
D.
But its influence spread to many parts of American society.
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The people involved in this movement did not Value the middle-class American goals.
F.
A great many jobs that used to belong to men are now taken by women.
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【简答题】运筹学研究和解决问题的基础是()，并强调系统整体优化功能。运筹学研究和解决问题的效果具有连续性
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A.
In addition， many Americans did not value the traditional male role of soldier.
B.
Most of them still took traditional women's jobs as public school teaching， nursing， and secretarial work.
C.
These roles were firmly fixed for most people， and there was not much opportunity for women to exchange their roles.
D.
But its influence spread to many parts of American society.
E.
The people involved in this movement did not Value the middle-class American goals.
F.
A great many jobs that used to belong to men are now taken by women.
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These roles were firmly fixed for most people， and there was not much opportunity for women to exchange their roles.
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The people involved in this movement did not Value the middle-class American goals.
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A great many jobs that used to belong to men are now taken by women.
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C.
These roles were firmly fixed for most people， and there was not much opportunity for women to exchange their roles.
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