题目内容

What are the responsibilities of the senior executives in a companyThey establish the ______ for their companies.

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What is the second problem______.

会计主管可兼任电算化主管。( )

A. 对
B. 错

全口义齿基托边缘与唇颊沟、舌沟、上颌后堤区、下颌磨牙后垫区属于

A. 主承托区
B. 副承托区
C. 缓冲区
D. 边缘封闭区
E. 固位区

容易出现人工牙脱落的是

A. 基托过薄
B. 人工牙磨耗
C. 模型不准确
D. 开盒过早导致基托变形
E. 人工牙盖嵴部蜡未去净