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【单选题】
窝洞制备对于抗力形要求错误的是A.
使充填体获得足够的抗力，在受力时不折裂
B.
使体组织获得足够的抗力，在受力时不折裂
C.
抗力形制备应使应力只均匀分布在充填体上
D.
抗力形制备应使应力均匀分布在充填体和牙体组织上
E.
应力过于集中，充填体或牙齿就可能折裂
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举一反三
【单选题】● Which statement about the preliminary design stage of a software development project is true? （75） . （75）
A.
The preliminary design is an internal document used only by programmers
B.
The preliminary design is the result of mapping product requirements info software and hardware functions
C.
The preliminary design of the product comes from the requirement specification
D.
The developers produce the preliminary design by defining the software structure in enough detail to permit coding
【简答题】A) sketch B) rough C) preliminary D) draft
【简答题】A．revolutionary B．evolutionary C．development D．preliminary
【简答题】A)primitive B)prior C)previous D)preliminary