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问题 单项选择题

为防止游离端基托沿支点线向脱位，最好的设计是（）。

A.基牙使用BPI或RPA卡环

B.基牙选用近中支托

C.扩大基托伸展范围

D.使用前牙舌侧支托

E.以上全不是

答案

参考答案：D

单项选择题

银行间债券市场已于( )年开始实行净价交易。

A．2000年7月

B．2001年7月

C．2002年7月

D．2003年7月
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单项选择题

Traditional structured analysis techniques focus upon the flow of （71） within a system. Object-oriented analysis emphasizes the building of real-world models. It examines requirements from the perspective of the classes and objects found in the vocabulary of the （72） domain. Traditional system design method emphasizes the proper and effective structure of a complex system. Object-oriented design method encompasses the process of object-oriented decomposition and a （73） for depicting both logical and physical as well as static and dynamic models of the system under design. Object-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an （74） of some class, and whose classes are all members of a hierarchy of classes united via （75） relationships.

（72）处填（）。

A．problem

B．solution

C．data

D．program
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